Server Administrator Storage Management
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Contents 1 Overview....................................................................................................................15 What Is New In This Release?..............................................................................................................15 Before Installing Storage Management.............................................................................................. 16 Version Requirements For Controller Firmware And Drivers...........................................
No-RAID.............................................................................................................................................. 34 4 Quick Access To Storage Status And Tasks..................................................... 35 Storage Health.....................................................................................................................................35 Hot Spare Protection Policy..................................................................................
License Settings...................................................................................................................................54 7 Storage Information And Global Tasks............................................................. 57 Storage Properties............................................................................................................................... 57 Global Tasks.................................................................................................
Importing Foreign Configurations................................................................................................ 78 Importing Or Recovering Foreign Configurations....................................................................... 78 Clearing Foreign Configuration.................................................................................................... 79 Physical Disks In Foreign Virtual Disks......................................................................................
Enclosure And Backplane Properties And Tasks........................................................................ 110 Changing The Mode On 220S And 221S Enclosures....................................................................... 116 Enclosure Management.................................................................................................................... 116 Identifying An Open Connector On The Enclosure.........................................................................
Other Disk Procedures...................................................................................................................... 133 Physical Disk Or Physical Device Properties.................................................................................... 133 Physical Disk Or Physical Device Tasks............................................................................................ 138 Physical Disk Tasks..................................................................................
Performing A Check Consistency...............................................................................................158 Canceling A Check Consistency.................................................................................................158 Pausing A Check Consistency.................................................................................................... 158 Resuming A Check Consistency.............................................................................................
Assigning A Dedicated Hot Spare................................................................................................177 Unassigning A Dedicated Hot Spare........................................................................................... 177 To Locate Assign Or Unassign Dedicated Hot Spare In Storage Management........................ 177 Virtual Disk Task: Replace Member Disk (Step 1 of 2)......................................................................
Cables Attached Correctly.......................................................................................................... 193 System Requirements..................................................................................................................193 Drivers And Firmware..................................................................................................................194 Isolate Hardware Problems............................................................................
On H310 I do not see any option for Fluid Cache.....................................................................202 Cannot add more than 64 VDs for caching...............................................................................202 Configured mode vs operational mode troubleshooting in cases of Pass Through and Write Through operational mode..............................................................................................
Connector Tasks Supported On The SAS 5/iR, SAS 6/iR, And H200 Controllers.................... 234 Physical Disk Tasks Supported On The SAS 5/iR, SAS 6/iR, And H200 Controllers................. 234 Virtual Disk Tasks Supported By The SAS 5/iR, SAS 6/iR, And H200 Controllers..................... 235 RAID Levels Supported By The SAS 5/iR, SAS 6/iR, And H200 Controllers.............................. 236 Virtual Disk Specifications For The SAS 5/iR, SAS 6/iR, And PERC H200 Controllers..............
Health Status Rollup: Lost Both Power Connections To The Enclosure....................................... 253 Health Status Rollup: One Or More Physical Disks Are Failed........................................................ 253 Health Status Rollup: Physical Disk Is Rebuilding............................................................................
Overview 1 Server Administrator Storage Management provides enhanced features for configuring the locally attached RAID and non-RAID disk storage on a system. Storage Management enables you to perform controller and enclosure functions for all supported RAID and non-RAID controllers and enclosures from a single graphical user interface (GUI) or command-line interface (CLI). The GUI is wizard-driven and includes features for novice and advanced users. The CLI is fully featured and scriptable.
• Added support for Software RAID controllers (PERC S110) on systems running the Windows Server 2012 R2 operating system. • Added support for Non-Volatile Memory Express (NVMe) Peripheral Component Interconnect Express (PCIe) solid-state drives (SSDs) — Cryptographic Erase.
• PERC H200 Adapter, PERC H200 Integrated, and PERC H200 Modular • PERC H800 Adapter, PERC H700 Adapter, PERC H700 Integrated, and PERC H700 Modular • PERC H310 Adapter, PERC H310 Mini Monolithic, PERC H310 Mini Blades, PERC H710 Adapter, PERC H710 Monolithic, PERC H710 Mini Monolithic, PERC H710P Adapter, PERC H710P Monolithic, PERC H710P Mini Monolithic, and PERC H810 Adapter • PERC H730P Adapter NOTE: The PERC H200, PERC H7x0, and PERC H8x0 controllers support 3TB NL SAS hard drives, 3TB NL SATA h
Getting Started 2 Server Administrator Storage Management is designed for system administrators who implement hardware RAID solutions and understand corporate and small business storage environments. Storage Management enables you to configure the storage components attached to your system. These components include RAID and non-RAID controllers and the channels, ports, enclosures, and disks attached to them.
https://:1311 where is the assigned name for the managed system and 1311 is the default port. or https://:1311 where is the IP address for the managed system and 1311 is the default port. NOTE: Type https:// (not http://) in the address field to receive a valid response in your browser. User Privileges Server Administrator provides security through the User, Power User, and Administrator user groups.
Using The Storage Management Command-Line Interface Storage Management has a fully featured command-line interface (CLI). For more information on CLI, see the Server Administrator Command Line Interface User’s Guide. Displaying The Online Help Storage Management provides an extensive online Help. This Help is available from the Server Administrator graphical user interface when the Storage or lower-level tree view object is selected.
Understanding RAID Concepts 3 Storage Management uses the Redundant Array of Independent Disks (RAID) technology to provide Storage Management capability. Understanding Storage Management requires an understanding of RAID concepts, as well as some familiarity with how the RAID controllers and operating system view disk space on your system.
RAID Concepts RAID uses particular techniques for writing data to disks. These techniques enable RAID to provide data redundancy or better performance. These techniques include: • Mirroring — Duplicating data from one physical disk to another physical disk. Mirroring provides data redundancy by maintaining two copies of the same data on different physical disks. If one of the disks in the mirror fails, the system can continue to operate using the unaffected disk.
volumes, availability or fault-tolerance is achieved by maintaining redundant data. Redundant data includes mirrors (duplicate data) and parity information (reconstructing data using an algorithm). • Performance — Read and write performance can be increased or decreased depending on the RAID level you choose. Some RAID levels may be more appropriate for particular applications.
When a physical disk in a concatenated or spanned volume fails, the entire volume becomes unavailable. Because the data is not redundant, it cannot be restored by rebuilding from a mirrored disk or parity information. Restoring from a backup is the only option. Because concatenated volumes do not use disk space to maintain redundant data, they are more costefficient than volumes that use mirrors or parity information.
RAID 0 characteristics: • • • • Groups n disks as one large virtual disk with a capacity of (smallest disk size) *n disks. Data is stored to the disks alternately. No redundant data is stored. When a disk fails, the large virtual disk fails with no means of rebuilding the data. Better read and write performance. RAID Level 1 (Mirroring) RAID 1 is the simplest form of maintaining redundant data. In RAID 1, data is mirrored or duplicated on one or more physical disks.
RAID 1 characteristics: • Groups n + n disks as one virtual disk with the capacity of n disks. The controllers currently supported by Storage Management allow the selection of two disks when creating a RAID 1. Because these disks are mirrored, the total storage capacity is equal to one disk. • Data is replicated on both the disks. • When a disk fails, the virtual disk still works. The data is read from the mirror of the failed disk. • Better read performance, but slightly slower write performance.
The additional parity provides data protection in the event of two disk failures. In the following image, the two sets of parity information are identified as P and Q. RAID 6 characteristics: • Groups n disks as one large virtual disk with a capacity of (n-2) disks. • Redundant information (parity) is alternately stored on all disks. • The virtual disk remains functional with up to two disk failures. The data is reconstructed from the surviving disks.
RAID 50 characteristics: • Groups n*s disks as one large virtual disk with a capacity of s*(n-1) disks, where s is the number of spans and n is the number of disks within each span. • Redundant information (parity) is alternately stored on all disks of each RAID 5 span. • Better read performance, but slower write performance. • Requires as much parity information as standard RAID 5. • Data is striped across all spans. RAID 50 is more expensive in terms of disk space.
RAID 60 characteristics: • Groups n*s disks as one large virtual disk with a capacity of s*(n-2) disks, where s is the number of spans and n is the number of disks within each span. • Redundant information (parity) is alternately stored on all disks of each RAID 6 span. • Better read performance, but slower write performance. • Increased redundancy provides greater data protection than a RAID 50. • Requires proportionally as much parity information as RAID 6.
RAID 10 characteristics: • Groups n disks as one large virtual disk with a capacity of (n/2) disks, where n is an even integer. • Mirror images of the data are striped across sets of physical disks. This level provides redundancy through mirroring. • When a disk fails, the virtual disk still works. The data is read from the surviving mirrored disk. • Improved read performance and write performance. • Redundancy for protection of data.
Comparing RAID Level And Concatenation Performance The following table compares the performance characteristics associated with the more common RAID levels. This table provides general guidelines for choosing a RAID level. Evaluate your specific environment requirements before choosing a RAID level. NOTE: The following table does not show all supported RAID levels in Storage Management. For information on all supported RAID levels in Storage Management, see Choosing RAID Levels And Concatenation. Table 1.
RAID Level Data Availability Read Performanc e Write Performanc e Rebuild Performanc e Minimum Disks Required Suggested Uses RAID 5 Good Sequential reads: good. Transactiona l reads: Very good Fair, unless using writeback cache Fair N + 1 (N = at least two disks) Databases and other read intensive transactional uses. RAID 10 Excellent Very Good Fair Good 2N x X Data intensive environment s (large records).
4 Quick Access To Storage Status And Tasks This section describes various methods to determine the status or health of the storage components on your system and how to quickly launch the available controller tasks.
After you set the number of assigned hot spares, any deviation from the protection policy threshold triggers an alert based on the severity level you set. Related Links Setting Hot Spare Protection Policy Dedicated Hot Spare Protection Policy Global Hot Spare Protection Policy Storage Component Severity Component status is indicated by the severity. A component with a Warning or Critical/Failure status requires immediate attention to avoid data loss, if possible.
• Physical Disk Or Physical Device Properties • Physical Disk Or Physical Device Tasks • EMM Properties • Fan Properties • Power Supply Properties • Temperature Probe Properties And Tasks • Virtual Disk Properties And Tasks Alerts Or Events Storage activity generates alerts or events that are displayed in the Alert Log. Some alerts indicate normal activity and are displayed for informational purposes only. Other alerts indicate abnormal activity which must be addressed immediately.
storage configuration, such as adding or removing physical disks from a virtual disk or changing a RAID level. You can rescan a controller object to: • View new disks attached to the controller. • Enable the operating system to recognize a virtual disk. • Enable Storage Management to display a new virtual disk. • Allow the virtual disk to use the additional space after is it expanded. • Update the status of an offline disk.
PCI Express Solid-State Device Support 5 This section provides an overview of the Storage Management device management support for Peripheral Component Interconnect Express (PCIe) Solid-State Drive (SSD) and its associated devices like the backplane and extender card. In Storage Management, PCIe SSD appears under Storage in the tree view. Storage Management reports the PCIe SSD devices and its various properties.
Properties Description omreportcommand. For information on Command Line Interface, see the Server Administrator Command Line Interface User's Guide. NOTE: In CLI commands, the PCIe SSD subsystem ID is displayed as the controller ID. Name Displays the name of the subsystem. State Displays the status of the subsystem. Possible values are: • • • Ready — The subsystem is functioning normally. Degraded — The subsystem has encountered a failure and is operating in a degraded state.
Physical Device Properties You can view information about PCIe SSDs and run PCIe SSD tasks on the Physical Device Properties page. To view the complete PCIe SSD properties, click Full View on the top of the page. The following table lists the physical device properties for PCIe SSD. Table 5. Physical Device Properties Properties Description Name Displays the name of the PCIe SSD. The name comprises the bay ID and the slot in which the PCIe SSD is installed.
Properties Description exceeded and the warranty for the drive expires. The warranty coverage for the drive expires if the value for percent lifetime used is equal to 100 percent and that for write protect progress is less than 100 percent. Approaching Read Only — The drive is running out of spare sectors and is reaching the read-only mode. However, the health status of the drive is good and data retention is unaffected.
Properties Description PCIe Maximum Link Speed Displays the capable transfer speed of the physical device in GT/s. Fluid Cache Pool Member Indicates whether the PCIe SSD is a part of a Fluid Cache pool. PCIe Maximum Link Width Displays the capable link width of the physical device. PCIe Negotiated Link Width Displays the current negotiated link width of the physical device.
• Unconfigured SED drive • Foreign configured encrypted drives • Unconfigured and foreign SED drive even when an Encryption Key is not present in the controller Performing A Full Initialization On A Micron PCIe SSD Performing a Full Initialization on a Micron PCIe SSD overwrites all blocks and results in permanent loss of all data on the Micron PCIe SSD. During Full Initialization, the host is unable to access the Micron PCIe SSD.
Enabling Cryptographic Erase On An Non-Volatile Memory Express (NVMe) PCIe SSD Does my controller support this feature? See Supported Features. NOTE: After you hot plug an NVMe PCIe SSD, the NVMe PCIe SSD may take several seconds to be displayed on Storage Management. CAUTION: Cryptographic Erase permanently erases all data present on the disk. CAUTION: On VMware ESXi hosts, before performing Cryptographic Erase on the NVMe PCIe SSD it is important to first delete any data stores on it.
Adding PCIe SSDs To Fluid Cache Pool You can configure or increase the capacity of the Fluid Cache pool by adding PCIe SSDs. To add a PCIe SSD to a cache pool: 1. In the Server Administrator window, under the system tree, expand Storage to display the controller objects. 2. Expand the PCIe SSD SubSystem object. 3. Expand the Enclosure (Backplane) object. 4. Expand the Physical Devices object. The Physical devices on PCIe SSD SubSystem page is displayed with the available list of physical disks. 5.
7. Click OK. Once the device removal is initiated from the cache pool, any dirty data is moved to the back-end disk. While the data migration is in progress, Storage Management displays a transient removal state. After the device is removed from the cache pool, the Part of Cache Pool attribute is Not Enabled.
Fluid Cache For DAS 6 Fluid Cache is a server-side caching accelerator that makes high-speed Express Flash (PCIeSSD) a shared, distributed resource. Fluid Cache enables the caching of active data working sets from storage closer to the compute tier to enable accelerated response times for latency sensitive customer workloads using Direct Attached Storage (DAS) external storage architectures. The Storage Management application facilitates addition of PCIe SSDs to the Fluid Cache pool.
Properties Description • License State Critical Displays the status of the Fluid Cache license. The possible options are: • • Valid License Expired Fluid Cache Disks NOTE: When caching is enabled on the virtual disk, partitioning of corresponding back-end virtual disk is not supported. For enabling caching on a virtual disk or partition, see Enabling Fluid Cache On Virtual Disks or Enabling Fluid Cache On Virtual Disk Partitions.
Properties Description Configured Cache Mode Displays the configured cache mode for the Fluid Cache disk. Possible values are: • • Operational Cache Mode Write Back Write Through Displays the operational cache mode for the Fluid Cache disk. If there is a single PCIe-SSD in the Fluid Cache pool, this property is displayed as Write Through irrespective of the Configured Cache mode.
Table 9. Physical Device Properties Properties Description ID Displays the physical device ID as reported by the omreport CLI command. Status Displays the status of the physical device. Name Displays the name of the physical device. State Indicates whether the physical device is ready or not. Device Name Displays the operating system device name for the physical device. Bus Protocol Displays the bus protocol used with the physical device.
Properties Description Model Number Displays the model number of the physical device. Capacity Displays the capacity of the physical device. Vendor ID Displays the name of the physical device vendor Product ID Displays the product ID of the device. Serial No. Displays the serial number of the device. PCIe Negotiated Link Speed Displays the current negotiated transfer speed of the physical device in GT/s.
In the Read/Write Bytes per Second for Fluid Cache Disk graph, the performance of cache read, cache write, disk read and disk write for the specified Fluid Cache disk and time interval is plotted. You can click the legend to compare the entries with one another. For example, you can gray-out the cache write and disk write and compare the cache read and disk read performance. Hover the cursor over the line graph to display the Read/Write performance details for a specific time.
Click Exit Wizard to go back to the Information Configuration page.
Storage Information And Global Tasks 7 Use the Storage information and Global Tasks window to view high-level information about the storage components or devices on your system. These windows also allow you to launch global tasks that affect all controllers attached to the system. Related Links Storage Properties Global Tasks Storage Controller Properties Storage Properties The Storage tree-view object has the following properties. Table 12.
NOTE: Global Rescan is not supported on non-RAID controllers. You must reboot the system before Storage Management can display the configuration changes on non-RAID SCSI controllers. NOTE: The Global Rescan task updates the configuration changes in the Information/ Configuration page. To update the tree view, click the server name which is displayed above the tree view. To globally rescan: 1. In the Server Administrator window, under the System tree, expand Storage. 2.
Property Definition Name Displays the name of the controller. For more detailed information on a controller, click its name on the controller name. Slot ID Displays the slot to which the controller is attached. Storage Management displays Slot Not Applicable for controllers for which it is unable to display the slot ID and Embedded for embedded controllers.
Property Definition failed disk when a rebuild is necessary. For more information on rebuild rate, see Setting The Rebuild Rate. Alarm State Displays whether the alarm on the controller is enabled or disabled. Cluster Mode Indicates whether the controller is part of a cluster configuration. SCSI Initiator ID Displays the SCSI ID of a SCSI controller. The default value is 7. You can change the default value in the BIOS.
Controllers 8 This chapter provides information about the supported controllers and controller features in Storage Management. Related Links RAID Controller Technology: SCSI, SATA, ATA, And SAS Which Controllers Do I Have? Non-RAID Controller Description What Is A Controller? Most operating systems do not read and write data directly from the disks, but instead send read and write instructions to a controller.
• PERC 6/E • PERC 6/I controller family • SAS 6/iR controller family • PERC S100, S110, and S300 controllers • PERC H200, H700, and H800 controllers • PERC H310 Adapter, PERC H310 Mini Monolithic, PERC H310 Mini Blades, PERC H710 Adapter, PERC H710 Mini Blades, PERC H710 Mini Monolithic, PERC H710P Adapter, PERC H710P Mini Blades, PERC H710P Mini Monolithic, and PERC H810 Adapter controllers • PERC H730P Adapter RAID Controller Features Different controllers have different features.
Controller — Supported Stripe Sizes When creating a virtual disk, you must specify the stripe size for the virtual disk. Different controllers have different limitations on the stripe sizes they can support. For information on the supported stripe sizes for a controller, see the virtual disk specifications section for the controller in Supported Features.
• • • NOTE: Storage Management does not allow you to select the Write Back policy for controllers that do not have a battery. The only exceptions are PERC S100 and PERC S300. This restriction protects a controller without a battery from the loss of data that may occur in the event of a power failure. On some controllers, the Write Back policy may be available in the controller BIOS even though it is not available in Storage Management.
The cache policies are: • Enabled — Disk Cache Policy is enabled. • Disabled — Disk Cache Policy is disabled. NOTE: The default setting for Disk Cache Policy for virtual disks based on SATA drives is Enabled; and for virtual disks based on SAS drives is Disabled. NOTE: For SAS 6i/R and PERC H200 family of controllers, the Disk Cache Policy setting is available only after creating the virtual disk.
• LSI SAS 9300-8e • LSI SAS 9206-16e Firmware Or Driver Versions Use the firmware or driver versions window to view information about the controller firmware and drivers. For more information on firmware and drivers, see Before Installing Storage Management. Related Links Firmware/Driver Properties Firmware/Driver Properties The firmware and driver properties can vary depending on the model of the controller. The firmware and driver properties are listed in the table below.
Property Definition NOTE: To download the latest storport driver, see the Microsoft Knowledge Base article KB943545 at support.microsoft.com. Controller Health The controller Health page displays the status of the controller and the components attached to the controller.
Property Definition • — Critical/Failure/Error ID Displays the ID assigned to the controller by Storage Management. Storage Management numbers the controllers attached to the system starting with zero. This number is the same as the controller ID number reported by the omreport CLI Command. For information on Command Line Interface, see the Server Administrator Command Line Interface User’s Guide. Name Displays the name of the controller. State Displays the status of the controller.
Property Definition initialization of a virtual disk after it is created. For more information on BGI rate, see Setting Background Initialization Rate. Check Consistency Rate The check consistency rate is the percentage of resources available on a system dedicated to perform check consistency on a redundant virtual disk. For more information, see Performing A Check Consistency.
Property Definition Cache Memory Size Displays the size of the cache memory on the controller. Patrol Read Mode Displays the Patrol Read Mode setting for the controller. Possible values are: • • • Auto — Patrol read runs continuously on the system. When one iteration of the patrol read is complete, the next patrol read is scheduled to start within a period of time specified by the controller. You do not have the option of manually starting or stopping the Patrol Read in this mode.
Property Definition Available Reports Enables you to view patrol read report, check consistency report, slot occupancy report, and physical disk firmware version report. For more information on available reports, see Available Reports. Related Links How Do I Identify The Firmware Version That Is Installed Controller Tasks Available Reports Controller Tasks To execute a controller task: 1. In the Server Administrator window, under the system tree, expand Storage to display the controller objects. 2.
• • • • • Changing The Controller Properties Managing The Physical Disk Power Managing The Encryption Key Converting To RAID Capable Disks Converting To Non-RAID Disks Rescanning The Controller Does my controller support this feature? See Supported Features. On SCSI controllers, a rescan updates configuration changes (such as new or removed devices) for all components attached to the controller. For information on when to perform a rescan, see Rescanning To Update Storage Configuration Changes.
Select the Disable Alarm task to disable the alarm on the controller. When disabled, the alarm does not sound in the event of a device failure. Turning Off The Controller Alarm Does my controller support this feature? See Supported Features. Select the Quiet Alarm task to turn off the controller alarm. However, the controller alarm remains enabled for future device failure. Testing The Controller Alarm Does my controller support this feature? See Supported Features.
To locate Set Rebuild Rate In Storage Management 1. Expand the Storage tree object to display the controller objects. 2. Select a controller object. 3. Click Information/Configuration. 4. Select Set Rebuild Rate from the Available Tasks drop-down menu. 5. Click Execute. You can also locate this task from the Change Controller Properties drop-down menu. Resetting The Controller Configuration Does my controller support this feature? See Supported Features.
The Export Log task exports the controller log to a text file. This log provides detailed information on the controller activities and can be useful for troubleshooting. On a system running Microsoft Windows, the log file is exported to the windows or winnt directory. On a system running Linux, the log file is exported to the /var/log directory. Depending on the controller, the log file name is afa_.log or lsi_.log, where is the month and date.
The Foreign Configuration Preview page provides a preview of the foreign disks and enables you to perform operations such as, importing, recovering, or clearing the foreign disks. You can also import or clear a locked foreign configuration. If any foreign configurations locked using Local Key manager (LKM) are detected, the associated Encryption Key Identifier is displayed prompting you to provide the corresponding passphrase to unlock the drives.
Property Definition • Failed — The foreign disk has encountered a failure and is no longer functioning. You cannot import the foreign configuration. The foreign configuration may be in degraded or failed state due to any of the following reasons: • • • • • • • Missing physical disk — One of the physical disk(s) in the potential virtual disk is missing or not available. Missing span — One or more spans of a hybrid virtual disk is missing.
3. Click Information/Configuration on the controller Properties page. 4. Select Foreign Configuration Operations from the Controller Tasks drop-down menu. 5. Click Execute. Importing Foreign Configurations Some controllers enable you to import a foreign configuration so that virtual disks are not lost after moving the physical disks. You can import a foreign configuration only if it contains a virtual disk that is either in a Ready or Degraded state.
To Locate Import Or Recover Foreign Configuration In Storage Management For SAS controllers with firmware versions 6.1 and later: 1. In the Server Administrator window, under the system tree, expand Storage to display the controller objects. 2. Select a controller object. 3. Click Information/Configuration on the controller Properties page. 4. Select Foreign Configuration Operations from the Controller Tasks drop-down menu. 5. Click Execute. 6.
For SAS controllers with firmware version 6.0 and earlier, select Clear Foreign Configuration from the Controller Tasks drop-down menu. Physical Disks In Foreign Virtual Disks The Physical Disks in Foreign Virtual Disks page displays the physical disks and the dedicated hot spare, if any, included in the foreign configuration. The following table describes the properties for physical disks in the foreign configuration. Table 17.
Property Definition • • • • 2108 2109 2110 2111 For information on alert messages, see the Server Administrator Messages Reference Guide. Progress Displays the progress of an operation being performed on the physical disk. Bus Protocol Displays the technology that the physical disk is using.
Property Definition PCIe Negotiated Link Speed Displays the current negotiated transfer speed of the physical device in GT/s. PCIe Maximum Link Speed Displays the capable transfer speed of the physical device in GT/s. Manufacture Day Displays the day of the month on which the physical disk was manufactured. Manufacture Week Displays the week of the year during which the physical disk was manufactured. Manufacture Year Displays the year in which the physical disk was manufactured.
At 100%, the background initialization is the highest priority for the controller. The background initialization time is minimized and has the most impact to system performance. Related Links Background Initialization On PERC Controllers To Change The Background Initialization Rate For A Controller 1. Type a numerical value in the Set New BGI Rate (0-100) field. The value must be within the 0–100 range. 2. Click Apply Changes. To exit and cancel your changes, click Return to Previous Page.
3. Click Information/Configuration on the controller Properties page. 4. Select Set Check Consistency Rate from the Available Tasks drop-down menu. 5. Click Execute. You can also locate this task from the Change Controller Properties drop-down menu. Related Links Changing The Controller Properties Setting The Reconstruct Rate Does my controller support this feature? See Supported Features. The Set Reconstruct Rate task changes the amount of system resources dedicated for the reconstruct task.
redundant path is removed. The redundant path ceases to appear only when it is cleared in the storage management. In a daisy-chain scenario, more than one enclosure can be connected to a controller in a redundant path mode. You can connect up to three MD1000 and MD1120 to a PERC 6/E controller in a daisy-chain enclosure. You can connect up to four MD1200 and MD1220 to a PERC H800 and PERC H810 controller in a daisy-chain enclosure.
Table 19. Path between Enclosure n and Enclosure n +1 Health of Logical Connector Path between Enclosure n and Enclosure n +1 Connector 0 (C0) Connector 1 (C1) Available Available Available Disconnected Disconnected Available In the above scenario, the enclosure status is displayed in warning mode. Clicking Information/ Configuration in the Enclosures page displays all enclosure components (EMMs, Fans, Physical Disks, Power Supplies, and Temperature) in normal condition.
• The physical disk is included in a virtual disk that is currently undergoing one of the following: – Rebuild – Reconfiguration or reconstruction – Background initialization – Check consistency In addition, the Patrol Read suspends during heavy I/O activity and resumes when the I/O is finished. Related Links Starting And Stopping Patrol Read To Set The Patrol Read Mode Select the desired Patrol Read Mode option. The options available are: • Auto — Initiates the Patrol Read task.
To exit without starting or stopping the Patrol Read, click Go Back to Previous Page. Related Links Setting The Patrol Read Mode Locate Start Stop Patrol Read In Storage Management 1. In the Server Administrator window, under the system tree, expand Storage to display the controller objects. 2. Select a controller object. 3. Click Information/Configuration on the controller Properties page. 4. Select Start Patrol Read or Stop Patrol Read from the Available Tasks. 5. Click Execute.
To Locate Change Controller Properties In Storage Management: Method 2 1. In the Server Administrator window, under the system tree, expand Storage to display the controller objects. 2. Select a controller object. 3. Click Information/Configuration on the controller Properties page. 4. Select Change Controller Properties ... from the Controller Tasks drop-down menu. 5. Click Execute. Managing The Physical Disk Power Does my controller support this feature? See Supported Features.
Table 20. Manage Physical Disk Power Properties Property Definition Spin Down Unconfigured Drives The Enabled option spins down the unconfigured disks if they are unattended for a specified interval of time. Spin Down Hot Spares The Enabled option spins down the hot spares if no read‑write operation takes place on the hot spare in a specified interval of time. Spin Down Configured Drives The Enabled option spins down the configured disks if they are unattended for a specified interval of time.
Managing The Physical Disk Power Managing Physical Disk Power Using The QoS Option To manage physical disk power through the QoS option: 1. Select the Customized Power Save Mode option. 2. In the Spin Down Configured Drives drop-down menu, select Enabled. 3. The Quality of Service (QoS) option is enabled. Enter the Start Time and Time Interval to spin up. 4. Click Apply.
CAUTION: You may not be able to use Storage Management to manage the preserved cache in some cases. As an example, consider you have a RAID 1 level with two disks — D1 and D2. If you now remove D2, the virtual disk is degraded and the data in the controller cache is written to D1. So, D1 has the latest data. Now, if you re-insert D2 and pull out D1, the virtual disk is still degraded and does not have the latest data.
4. If you want to save the Encryption Key credentials in a file on the system where Distributed Web Server is running, select the Escrow check box. The Path field is displayed. Provide the path where you want to save the file. The path should contain a filename with an .xml extension. The saved file contains the information: SAS address, Encryption Key Identifier, Passphrase, and modified date. You can use this file for future reference.
On an encryption-capable controller, the Manage Encryption Key task allows you to enable encryption in LKM mode. If you enable LKM, you can create an encryption key on an encryption-capable controller and save it locally. You can also change or delete the encryption key. NOTE: This task is available only on PERC H7x0 and H8x0 controllers. Related Links Passphrase Manage Encryption Key Task In Storage Management To go to the Manage Encryption Key task in Storage Management: 1.
3. Click Information/Configuration on the controller Properties page. 4. In the controller tasks drop-down menu select the task Convert to RAID Capable disks The non-RAID disks are displayed. 5. Select the drives that you want to convert. 6. Click Apply. An acknowledgement that the disks have been converted is displayed. Related Links Converting To Non-RAID Disks Viewing Available Reports To view a report: 1. Expand the Storage tree object to display the controller objects. 2.
Performing A Check Consistency To Locate View Check Consistency Report In Storage Management 1. In the Server Administrator window, under the system tree, click Storage. 2. Select View Check Consistency Report from the Select Report drop-down menu. 3. Click Execute. Viewing Slot Occupancy Report Does my controller support this feature? See Supported Features. The View Slot Occupancy Report allows you to view empty and occupied slot details of all enclosures and back planes.
Table 21. Physical Disk Firmware Version Report Properties Property Definition Name Displays the nexus or location of each drive that has to be updated. This nexus is represented as a two or three-digit mapping of the drive location. Example: Two-digit mapping: 0:1 = Controller 0: Slot 1 Three-digit mapping: 1:0:4 = Controller 1: Connector 0: Slot 4 Model Number Displays the unique number associated with a specific OEM vendor's drives and drive capacity.
Property Definition to stop or at least slow I/O operations during a DUP online firmware upgrade. Part Number 98 In the event of a drive failure, you can run the View Physical Disk Firmware Version Report to find out the part number of the failed drive and to check if any of the drives require an update.
9 Support For PERC 9 Hardware Controllers The Dell PowerEdge RAID Controller (PERC) family of enterprise-class controllers is designed for enhanced performance, increased reliability and fault tolerance, and simplified management — providing a powerful, easy-to-manage way to create a robust infrastructure and help maximize server uptime. The introduction of the new PERC H730P Adapter, also bring about improvements in storage solutions.
• Based on the minimum (and even) number of physical disks selection the firmware on the PERC 9 hardware controller recommends the preferred span layout. NOTE: RAID Level 10 virtual disk creation command from Storage Management CLI does not support optional parameter [spanlength=] on PERC 9 hardware controllers. • The Advanced Wizard does not provide the option to select span length for RAID Level 10 virtual disk creation on PERC 9 hardware controllers.
• When you create a virtual disk using the Advanced Wizard, you can select the physical disk sector from the Sector Size drop-down list. The options available are: – 512B – 4KB • You cannot use both 4K sector hard-disk drives and 512B sector hard-disk drives for a virtual disk creation as mixing of hard-disk drive sectors is not allowed.
• Create Virtual Disk Express Wizard • Create Virtual Disk Advanced Wizard Hot Spare Considerations — T10 Protection Information Capability The following is the Hot Spare considerations (Dedicated and Global Hot Spare) for T10 Protection Information (PI) supported physical disks on PERC 9 hardware controllers: • Only T10 PI supported physical disks can be assigned as a Dedicated Hot Spare to T10 PI enabled virtual disks.
Enclosures And Backplanes 10 Physical disks can be contained in an enclosure or attached to the backplane of a system. An enclosure is attached to the system externally while the backplane and its physical disks are internal. Related Links Enclosures Backplanes Backplanes You can view the Backplane object by expanding the controller and connector object in the Storage Management tree view. Storage Management displays the status of the backplane and the attached physical disks.
• Enclosure And Backplane Health • Enclosure And Backplane Properties And Tasks SMART Thermal Shutdown Does my enclosure support this feature? See Supported Features. Enclosure management provides a feature which automatically shuts down the operating system and turns off the server and enclosure, when the temperature of the enclosure drops below the minimum threshold value or exceeds the maximum threshold value.
Table 22. Fan Properties Property Definition Status These icons represent the severity or health of the storage component. — Normal/OK — Warning/Non-critical — Critical/Failure/Error For more information, see Storage Component Severity. Name Displays the name of the fan. State Displays the status of the fan. Possible values are: • • • • • Ready — The fan is functioning normally. Degraded — The fan has encountered a failure and is operating in a degraded state.
Property Definition — Warning/Non-critical — Critical/Failure/Error For more information, see Storage Component Severity. Name Displays the name of the power supply. State Displays the status of the power supply. • • • • Ready — The power supply is functioning normally. Degraded — The power supply has encountered a failure and is operating in a degraded state. Failed — The power supply has encountered a failure and is no longer functioning.
To Launch The Set Temperature Probe Wizard To launch the Set Temperature Probe wizard: 1. In the Server Administrator window, under the system tree, expand Storage to display the controller objects. 2. Expand a controller object. 3. Expand a connector object. 4. Expand the enclosure object. 5. Select the Temperatures object. 6. Click Set Temperature Probe. Temperature Probe Properties And Tasks Does my enclosure support this feature? See Supported Features.
Property Definition • • • • Minimum Warning Threshold Exceeded—The temperature of the enclosure has dropped below the minimum warning threshold. Maximum Warning Threshold Exceeded—The temperature of the enclosure has exceeded above the maximum warning threshold. Missing — The temperature probe is not present in the enclosure. Inactive — The temperature probe is present in the enclosure, but the EMM that it monitors is not installed.
To verify the EMM firmware version: 1. In the Server Administrator window, under the system tree, click Storage dashboard. 2. Expand the tree view until the EMMs object is displayed. 3. Select the EMMs object. The firmware version for each EMM is displayed in the Firmware Version column in the right pane. For information related to the enclosure’s EMMs, see Enclosure Management Modules (EMMs). EMM Properties EMM properties page displays information about: Table 25.
Property Definition Firmware Version Indicates the version of the firmware loaded on the EMM. All EMM modules in the enclosure should have the same level of firmware. NOTE: For multiple backplanes, the firmware version appears as upstream and downstream versions. SCSI Rate Displays the maximum SCSI speed that the EMM in a SCSI enclosure supports. Enclosure And Backplane Health Displays the status of the enclosure or backplane and the components attached to the enclosure or backplane.
Property Definition NOTE: If the enclosure is connected to the controller in redundant path mode (for more information, see Setting The Redundant Path Configuration), the loss of connection to any one EMM may cause the enclosure status to be displayed as degraded. Name Displays the name of the enclosure or backplane. State Displays the status of the enclosure or backplane. Possible values are: • • • Ready — The enclosure or backplane is functioning normally.
Property Definition different modes, see the enclosure hardware documentation. The bus configuration switch when toggled on a 220S or 221S enclosure, the enclosure should be turned off. For more information, see Changing The Mode On 220S And 221S Enclosures. Older 200S enclosures with a version 1.8 kernel that only have one EMM may display Split Bus mode and not Joined Bus mode. Joined Bus or Clustered modes may display when applicable in these circumstances.
7. Click Execute. Enclosure — Available Tasks The drop-down menu enclosure tasks are: • Enabling The Enclosure Alarm • Disabling The Enclosure Alarm • Setting Asset Data • Blinking The LED On The Enclosure • Setting The Temperature Probe Values Enabling The Enclosure Alarm Does my enclosure support this feature? See Supported Features. Select the Enable Alarm task to enable the enclosure alarm.
To Locate Set Asset Data In Storage Management To locate this task in storage management: 1. In the Server Administrator window, under the system tree, expand Storage to display the controller objects. 2. Expand a controller object. 3. Expand a connector object. 4. Select the Enclosure object. 5. Click Information/Configuration. 6. Select Set Asset Data from the Enclosure Tasks drop-down menu. 7. Click Execute.
Changing The Warning Threshold On The Temperature Probe The temperature probes are listed in the Temperature Probes section. To change the temperature probe’s warning threshold: 1. Select the probes that you want to change. 2. Select Set new values in Set New Temperature Probe Values page. 3. Type the lowest acceptable temperature in celsius for the enclosure in the Minimum Warning Threshold text box. The text box label indicates the range that you can specify. 4.
Changing The Mode On 220S And 221S Enclosures Make sure that you turn off the enclosure before you toggle the bus configuration switch on a 220S or 221S enclosure, the enclosure should be powered off. The bus configuration switch is used to change the enclosure to split bus, joined bus, or clustered mode. If you change the 220S or 221S enclosure mode with the enclosure turned on, the enclosure may no longer be displayed by Storage Management and you may notice erratic behavior.
Enclosure Components For information on attached components, see: • Physical Disk Or Physical Device Properties • EMM Properties • Fan Properties • Power Supply Properties • Temperature Probe Properties And Tasks 117
Connectors 11 A controller contains one or more connectors (channels or ports) to which you can attach disks. You can externally access a connector by attaching an enclosure (for external disks) to the system or internally access by attaching to the backplane (for internal disks) of a system. You can view the connectors on the controller by expanding the controller object in the tree view. NOTE: For PCIe-SSD, connectors are referred to as PCIe-SSD extenders.
3. Click Exit Wizard to cancel the virtual disk creation. In this step, you select the channels and the disks to be used by the virtual disk. The selections you make determine whether the virtual disk is channelredundant. There are specific RAID level and configuration requirements for implementing channel redundancy. You must select the same number of physical disks on each channel that you use.
The connector properties can vary depending on the model of the controller. Connector properties may include: Table 27. Connector Properties Property Definition These icons represent the severity or health of the storage component. — Normal/OK — Warning/Non-critical — Critical/Failure/Error For more information, see Storage Component Severity. A Warning or Critical severity may indicate that the connector is unable to communicate with attached devices such as an enclosure.
On a SCSI controller, the Rescan task rescans the controller connectors to verify the currently connected devices or to recognize new devices that have been added to the connectors. Performing a rescan on a connector is similar to performing a rescan on the controller. For information on scheduling a rescan, see Rescanning To Update Storage Configuration Changes. NOTE: Rescan is not supported on non-RAID SCSI controllers.
Property Definition • Connector Type Failed — The connector has encountered a failure and is no longer functioning. Displays whether the connector is operating in RAID mode. The connector is always a SAS connector. Related Links Path Health Path Health The path health of the connectors is represented as normal, warning, or critical. The possible values are displayed as Available, Degraded, or Failed.
12 Tape Drive Tape drives contain several tape backup units (TBUs) on which data can be backed up. Storage Management enumerates the TBUs that are used for data back up. You can view the tape drives associated with a particular controller on the Tape Drives on Controller page. Tape Drive Properties Table 29. Tape Drive Properties Property Definition ID Displays the ID of the tape drive. Name Displays the name of the tape drive. Bus Protocol Displays the bus protocol type of the tape drive.
RAID Controller Batteries 13 Some RAID controllers have batteries. If the controller has a battery, Storage Management displays the battery under the controller object in the tree view. If there is a power outage, the controller battery preserves data that is in the volatile cache memory (SRAM) but not yet written to disk. The battery is designed to provide a minimum backup of 24 hours. When a RAID controller is first installed in a server, the battery may need charging.
Property Definition • • Auto — Storage Management performs an automatic learn cycle based on the set time. Warn — The learn cycle is past the default 90 days. When the battery is in Warn mode, the state of the controller is displayed as degraded. NOTE: Warn is available only on SAS controllers with firmware version 6.1 and later. Next Learn Time Displays the number of days and hours left before the controller firmware initiates the next learn cycle.
The learn cycle recalibrates the battery-integrated circuit so that the controller can determine whether the battery can maintain the controller cache for the prescribed period in the event of a power loss. While the learn cycle is in progress, the battery may not be able to maintain the cache during a power loss. If the controller is using Write-Back Cache policy, then the controller changes to Write-Through Cache policy until the learn cycle completes.
To Locate Delay Learn Cycle In Storage Management To locate this task in Storage Management: 1. In the Server Administrator window, under the system tree, expand the Storage to display the controller objects. 2. Expand the controller object. 3. Select the Battery object. 4. Select Delay Learn Cycle from the Available Tasks drop-down menu. 5. Click Execute.
Physical Disks Or Physical Devices 14 Physical disks or physical devices reside within an enclosure or are attached to the controller. On a RAID controller, physical disks or devices are used to create virtual disks. Related Links Physical Disk Tasks Guidelines To Replace A Physical Disk Or Physical Device A replacement disk may not be the same model as the physical disks or devices in the storage enclosure.
4. Click Execute. The new disk is displayed in the tree view after the rescan. If the new disk is not displayed, restart the system. For SAS Controllers 1. Check the alert log for an alert verifying that the system has identified the new disk. You may receive alert 2052 or 2294. For information on alert messages, see the Server Administrator Messages Reference Guide. 2. Refresh the display by clicking Refresh ( ) or by changing pages.
Disk Is Not Part Of A Redundant Virtual Disk 1. Back up data from the virtual disk. 2. Delete the virtual disk. 3. Replace the disk that is receiving SMART alerts. 4. Create a new virtual disk. Make sure that the new virtual disk is the same size or greater in size than the original virtual disk. For controller-specific information on creating virtual disks, see Virtual Disk Considerations For Controllers and Virtual Disk Considerations For PERC S100, S110, And S300 Controllers. 5.
Property Definition Transition Indicates that the physical drive is changing from the spun down state to spun up state. Spun Up Indicates that the physical drive is in the spun up state. Name Displays the name of the physical disk or device. The name comprises of the connector number followed by the disk number. State Displays the current state of the physical disk or device. Possible values are: • • • • • • • • • • • 134 Ready — The physical disk or device is functioning normally.
Property Definition • • • • be returned to a usable state by performing a Format, Initialize, Slow, And Fast Initialize task. If the Format, Initialize, Slow, And Fast Initialize task does not appear on the physical disk or device drop-down menu, then this disk or device cannot be recovered. Foreign — The physical disk has been moved from another controller and contains all or some portions of a virtual disk (foreign configuration).
Property Definition You may also want to review the alert log to see whether the physical disk or device has generated alerts pertaining to a SMART predictive failure. These alerts can assist you in identifying the cause of the SMART alert. The following alerts may be generated in response to a SMART alert: • • • • • • • 2094 2106 2107 2108 2109 2110 2111 For information on alert messages, see the Server Administrator Messages Reference Guide.
Property Definition NOTE: This option is applicable to Micron PCIe SSDs, NonVolatile Memory Express (NVMe) PCIe SSDs, and SAS/SATA SSDs. Used RAID Disk Space Displays the physical disk or device space that is used by the virtual disks on the controller. This property is Not Applicable for physical disks or devices attached to non-RAID controllers. In certain circumstances, the Used RAID Disk Space displays a value of zero even though a portion of the physical disk or device is being used.
Property Definition PCIe Negotiated Link Width Displays the current negotiated link width of the physical device. Physical Disk Or Physical Device Tasks To execute a physical disk or physical device task: 1. Expand the Storage tree object to display the controller objects. 2. In the Server Administrator window, under the system tree, expand Storage to display the controller objects. 3. Expand a connector object. 4. Expand the enclosure or backplane object. 5.
NOTE: The Blink and Unblink tasks are only supported for hotswap physical disks (disks that reside in a carrier). When using an LSI PCI-e U320 controller, the Blink and Unblink tasks apply to physical disks contained in carriers that can be inserted into a server or an enclosure. If the physical disk is not contained in a carrier but is instead designed to be connected with a SCSI cable (typically a ribbon cable), then the Blink and Unblink tasks are disabled.
NOTE: Rebuilding a disk may take several hours. Related Links Replacing A Failed Disk That Is Part Of A Redundant Virtual Disk Canceling A Rebuild Does my controller support this feature? See Supported Features. Select the Cancel Rebuild task to cancel a rebuild that is in progress. If you cancel a rebuild, the virtual disk remains in a Degraded state. The failure of an additional physical disk can cause the virtual disk to fail and may result in data loss.
Considerations For Hot Spares On PERC S100 And PERC S300 Controllers Global Hot Spare Considerations On A SAS 6/iR Setting The Physical Disk Online Or Offline Does my controller support this feature? See Supported Features. The Online and Offline tasks apply only to physical disks that are included in a redundant virtual disk and attached to a PERC controller. Select the Offline task to deactivate a disk before removing it. Select the Online task to reactivate an offline disk.
Considerations For Slow Initialize To Locate Clear In Storage Management To locate this task in storage management: 1. In the Server Administrator window, under the system tree, expand Storage to display the controller objects. 2. Expand a controller object. 3. Expand a connector object. 4. Expand the enclosure or Backplane object. 5. Select the Physical Disks object. 6. Select Clear from the Tasks drop-down menu of the physical device you want to clear. 7. Click Execute.
CAUTION: Instant Encrypt Erase permanently erases all data present on the disk. Select the Instant Encrypt Erase task to erase an encrypted physical disk. This task is available for: • Unconfigured SED drive • Foreign configured encrypted drives • Unconfigured and foreign SED drive even when an Encryption Key is not present in the controller Related Links Managing The Encryption Key To Locate Instant Encrypt Erase In Storage Management To locate this task in storage management: 1.
Virtual Disks 15 A virtual disk refers to a storage created by a RAID controller from one or more physical disks. Although a virtual disk may be created from several physical disks, it is viewed by the operating system as a single disk. Depending on the RAID level used, the virtual disk may retain redundant data if there is a disk failure or have particular performance attributes. NOTE: Virtual disks can only be created on a RAID controller.
• • • • • PERC 5/E and PERC 5/I PERC 6/E and PERC 6/I PERC H310 Adapter, PERC H310 Mini Monolithic, and PERC H310 Mini Blades PERC H700, PERC H710 Adapter, PERC H710 Mini Blades, PERC H710 Mini Monolithic PERC H800, PERC H810 Adapter • PERC H730P Adapter The following considerations apply when creating virtual disks: • • • • • • • • • • Creating virtual disks on controllers — When you create a virtual disk, you specify which physical disks are to be included in the virtual disk.
to expand the virtual disk, or create new virtual disks in the unused space. The virtual disks have identical RAID level. Also, existing mixed configuration is not affected. However, you cannot create mixed configurations. You can read or write to the virtual disks, rebuild, and delete the disks. You cannot create virtual disks on a set of disks migrated from earlier software RAID versions and configured with multiple RAID levels.
For information about the maximum number of physical disks supported by a virtual disk, see the virtual disk specifications for the controller in Supported Features. Related Links Virtual Disk Considerations For PERC S100, S110, And S300 Controllers Number Of Virtual Disks Per Controller There are limitations on the number of virtual disks that can be created on the controller.
Before creating a virtual disk, you should be familiar with the information in Considerations Before Creating Virtual Disks. Storage Management provides wizards to help you create a virtual disk: • The Create Virtual Disk Express Wizard calculates an appropriate virtual disk layout based on the available space and controller considerations. Using this wizard, you can quickly create a virtual disk using recommended selections.
Controller Starting RAID Level Target RAID Level Comments PERC 5/E and PERC 5/i RAID 1 RAID 0 With or without adding additional disks RAID 1 RAID 5 Add additional disks RAID 5 RAID 0 With or without adding additional disks RAID 5 RAID 5 Add additional disks RAID 0 RAID 1 Add a single disk RAID 0 RAID 0, RAID 5 Add at least one additional disk. RAID 0 RAID 6 RAID 6 requires a minimum of 4 disks.
Choosing RAID Levels And Concatenation Maintaining The Integrity Of Redundant Virtual Disks Does my controller support this feature? See Supported Features. The virtual disk Check Consistency task verifies the accuracy of the redundant (parity) information. This task only applies to redundant virtual disks. When necessary, the Check Consistency task rebuilds the redundant data. To verify redundant information of a virtual disk: 1. Locate the controller on which the virtual disk resides in the tree view.
Table 33. Sample Scenarios For Virtual Disk Bad Blocks RAID Level Virtual Disk State Scenario Result RAID 0 Degraded One bad block on a physical disk. The controller cannot regenerate data from the peer disks as there is no redundancy. This results in a virtual disk bad block. RAID 5 Ready One bad block on a physical disk. The controller regenerates data from the peer disks and sends a Write to the bad block. The disk then remaps the Logical Block Addressing (LBA) to another physical location.
RAID Level Virtual Disk State Scenario Result location. The problem is resolved. Recommendations For Clearing Bad Blocks Storage Management allows you to clear the bad block warnings. To clear bad blocks, the following procedure is recommended: 1. Perform a backup of the virtual disk with the Verify option selected. One of the following scenarios may occur: – Backup operation fails on one or more files. In this case, restore the file from a previous backup. After restoring the file, proceed to step 2.
Property Definition — Normal/OK — Warning/Non-critical — Critical/Failure/Error For more information, see Storage Component Severity. Name Displays the virtual disk name. State Displays the status of the virtual disk. Possible values are: • • • • • • • • • • • • Ready — The virtual disk is functioning normally. Degraded — A physical disk in a redundant virtual disk is not online. Resynching — A consistency check is being performed on the virtual disk.
Property Definition Encrypted Displays whether the virtual disk is encrypted. The possible values are Yes and No. Hot Spare Policy Violated Displays whether the Hot Spare Protection Policy has been violated. NOTE: This property is displayed only if you set any Hot Spare Protection Policy. For more information, see Setting Hot Spare Protection Policy. T10 Protection Information Status Displays the data integrity status of the virtual disk. The possible options are Enabled and Disabled.
Property Definition Write Policy Displays the write policy that the controller is using for the selected virtual disk. See RAID Controller Read, Write, Cache, and Disk Cache Policy. Cache Policy Displays the cache policy that the controller is using for the selected virtual disk. See RAID Controller Read, Write, Cache, and Disk Cache Policy. Stripe Size Displays the stripe size of the virtual disk.
• Changing The Virtual Disk Policy • Replacing A Member Disk • Clearing Virtual Disk Bad Blocks • Encrypting A Virtual Disk Reconfiguring A Virtual Disk Does my controller support this feature? See Supported Features. The Reconfigure task enables you to change the virtual disks properties. For example, you can use this task to add physical disks or change the RAID level.
Deleting Data On the Virtual Disk Does my controller support this feature? See Supported Features. The Delete task destroys all data on the virtual disk. Related Links Deleting A Virtual Disk Performing A Check Consistency Does my controller support this feature? See Supported Features. The Check Consistency task verifies the accuracy of the redundant (parity) information. This task only applies to redundant virtual disks. When necessary, the Check Consistency task rebuilds the redundant data.
Canceling A Rebuild Does my controller support this feature? See Supported Features. Select the Cancel Rebuild task to cancel a rebuild that is in progress. If you cancel a rebuild, the virtual disk remains in a Degraded state. The failure of an additional physical disk can cause the virtual disk to fail and may result in data loss. It is recommended that you rebuild the failed physical disk as soon as possible.
• Have an Encryption Key • Have Self Encryption Drives (SEDs) virtual disks Create Virtual Disk Express Wizard Does my controller support this feature? See Supported Features. The Create Virtual Disk Wizard allows you to select the wizard type and the RAID level. The Create Virtual Disk Express Wizard calculates the appropriate virtual disk configuration based on the available space and controller considerations.
5. Select the Express Wizard option and the RAID level from the drop-down list. – Depending on the controller, Concatenated enables you to combine the storage capacity of several disks or to create a virtual disk using a single physical disk. For more information about the number of supported physical disks when using Concatenated, see Number Of Physical Disks Per Virtual Disk. Concatenated does not provide data redundancy or affect the read/write performance. – Select RAID 0 for striping.
selected physical disk. The default values of the virtual disk attributes excluding the RAID level are recommended for the selected RAID level. 1. In the Name field, type a name for the virtual disk. The virtual disk name can contain only alphanumeric characters, spaces, dashes, and underscores. The maximum length depends on the controller. In most cases, the maximum length is 15 characters. The name cannot start with a space or end with a space.
4. Click Go to the Create Virtual Disk Wizard. The Create Virtual Disk Wizard (Step 1) page is displayed. 5. Select the Advanced Wizard option. 6. To make sure that only encrypted physical disks are used to create the virtual disk, select Yes from the Create Encrypted Virtual Disk drop-down list. The RAID levels are available for selection based on the number of encrypted physical disks.
7. Select the required RAID level from the drop-down list. – Depending on the controller, Concatenated enables you to combine the storage capacity of several disks or to create a virtual disk using a single physical disk. For more information on the number of supported physical disks supported by Concatenated, see Number Of Physical Disks Per Virtual Disk. Using Concatenated does not provide data redundancy or affect the read/write performance. – Select RAID 0 for striping.
NOTE: It is recommended that you use Intelligent Mirroring to create RAID 10 across enclosures for simple and optimum configuration. NOTE: To view the redundancy across enclosures achieved through Intelligent Mirroring, click the virtual disk and view the physical disk IDs in each span, which are from alternate enclosures. – Select RAID 50 to implement striping across more than one span of physical disks.
• Physical disk 0:4 Physical Disks Selected The Physical Disks Selected section of the page displays the disks you have chosen. In this example, two disks are selected. • Physical disk 0:0 • Physical disk 0:1 Each RAID level has specific requirements for the number of disks that must be selected. RAID 10, RAID 50, and RAID 60 also have requirements for the number of disks that must be included in each stripe or span. If the controller is a SAS controller with firmware versions 6.
Policy and the selected physical disk. The default values of the virtual disk attributes excluding the RAID level are recommended for the selected RAID level. 1. In the Name field, type a name for the virtual disk. The virtual disk name can contain only alphanumeric characters, spaces, dashes, and underscores. The maximum length depends on the controller. In most cases, the maximum length is 15 characters. The name cannot start with a space or end with a space.
5. Click Finish to complete the virtual disk creation. The virtual disk is displayed in the Virtual Disk(s) on Controller page. For PERC H700 and PERC H800 controllers, if any of the drives you selected is in the spun down state, the following message is displayed: The below listed physical drive(s) are in the spun down state. Executing this task on these drive(s) takes additional time, because the drive(s) need to spun up. The message displays the ID(s) of the spun down drive(s).
NOTE: You cannot reconfigure a virtual disk on a controller that is operating in cluster mode. NOTE: You can create no more than 64 virtual disks on a controller. After you have reached this limit, you can no longer reconfigure any of the virtual disks on the controller. But, for IR and PERC H200 controllers, you can create only two virtual disks.
Channel Redundancy And Thermal Shutdown To locate Reconfigure In Storage Management 1. In the Server Administrator window, under the system tree, expand Storage to display the controller objects. 2. Expand a controller object. 3. Select the Virtual Disks object. 4. Select Reconfigure from the Available Tasks drop-down box. 5. Click Execute. Virtual Disk Task: Reconfigure (Step 2 of 3) Does my controller support this feature? See Supported Features.
To Reconfigure a Virtual Disk (Changing the RAID Level and Size): Step 2 of 3 1. Select the new RAID level for the virtual disk — The available RAID levels depend on the number or physical disks selected and the controller. The following describes the possible RAID levels: – Depending on the controller, Concatenated enables you to combine the storage capacity of several disks or to create a virtual disk using only a single physical disk.
The virtual disk reconfigure step 3 page enables you to review your changes before completing the virtual disk reconfiguration. 1. Review your changes. The New Virtual Disk Configuration table displays the changes you have made to the virtual disk. The Previous Virtual Disk Configuration displays the original virtual disk prior to reconfiguration. 2. Click Finish to complete the virtual disk reconfiguration. To exit without changing the original virtual disk, click Exit Wizard.
NOTE: RAID 6 and RAID 60 virtual disks which are T10 PI enabled do not support Slow Initialize. Related Links Format, Initialize, Slow, And Fast Initialize Formatting Or Initializing A Disk To format or initialize a disk: 1. Review the virtual disk that is destroyed by the Format or Initialize and make sure that vital data is not lost. Click Blink at the bottom of the page to blink the physical disks included in the virtual disk. 2.
To Delete A Virtual Disk To identify which physical disks are included in the virtual disk, click Blink. The LED lights on the physical disks blink for 30-60 seconds. When deleting a virtual disk, the following considerations apply: • There are particular considerations for deleting a virtual disk from a cluster-enabled controller. • It is recommended that you reboot the system after deleting the virtual disk.
To Locate Rename In Storage Management To locate this task in storage management: 1. In the Server Administrator window, under the system tree, expand Storage to display the controller objects. 2. Expand a controller object. 3. Select the Virtual Disks object. 4. Select Rename from the Available Tasks drop-down menu. 5. Click Execute. Changing The Policy Of A Virtual Disk Does my controller support this feature? See Supported Features.
CAUTION: Your virtual disk is longer redundant after performing a Split Mirror operation. To Locate Split Mirror In Storage Management 1. In the Server Administrator window, under the system tree, expand Storage to display the controller objects. 2. Expand a controller object. 3. Select the Virtual Disks object. 4. Select Split Mirror from the Available Tasks drop-down menu. 5. Click Execute.
A dedicated hot spare is an unused backup disk that is assigned to a single virtual disk. When a physical disk in the virtual disk fails, the hot spare is activated to replace the failed physical disk without interrupting the system or requiring your intervention. For more information on hot spares including size requirements, see Protecting Your Virtual Disk With A Hot Spare.
You can copy data from a physical disk, which is a member of a virtual disk, to another physical disk by providing a Replace Member Configuration option. You can initiate multiple copies of data from different array groups. The source physical disk should be part of a virtual disk and in the Online state. Also, the virtual disk should not be fully degraded. NOTE: You must also enable the Revertible Hot Spare option to use Replace Member Disk task.
To Replace a Member Disk: Step 2 of 2 1. Review your changes. The source Physical Disk table displays details of the source physical disk. The destination Physical Disk table displays details of the destination physical disk. 2. Click Finish to complete the replace member task. If you want to change the replace member, click Go Back to Previous Page. To exit without making changes, click Cancel.
6. Click Execute. A pop-up window is displayed confirming the disable operation. Any dirty data for the virtual disk is moved from the cache to the virtual disk and the corresponding Fluid Cache disk is removed. Enabling Fluid Cache On Virtual Disk Partitions You can enable Fluid Cache on virtual disk partitions for PERC controllers. To enable Fluid Cache on a virtual disk partition: 1. On the left-hand side of the Storage Management page, expand Storage. 2. Click on the < Controller Name >. 3.
16 Moving Physical And Virtual Disks From One System To Another This section describes how to move physical and virtual disks from one system to another. Related Links Migrating SAS Virtual Disks To Another System Required Conditions PERC 5/E, PERC 5/i, and SAS 5/iR Controllers You can migrate physical and virtual disks from one controller, enclosure, or server to another.
5. Use the Foreign Configuration Operations task to import the migrated virtual disks on the receiving controller. NOTE: The Foreign Configuration Operations are not supported on PERC S100, S110, and S300 controllers. The migration is complete. The virtual disk is now manageable through Storage Management.
17 Protecting Your Virtual Disk With A Hot Spare When you create a virtual disk using a RAID controller, it enables the system to continue functioning even during a disk failure. This feature can be enabled by assigning a hot spare to the virtual disk. When a disk fails, the redundant data is rebuilt onto the hot spare without interrupting system operations.
Dedicated Hot Spare Protection Policy Table 35. Hot Spare Properties Property Definition RAID Level Indicates the RAID level(s) for which you want to configure the hot spare protection policy. Minimum Number of Disks Indicates the minimum number of physical disks to be assigned as dedicated hot spares for the selected RAID level(s). Severity Level Displays the severity level you want to assign to the generated alert, if this policy is violated.
• For SAS/iR and PERC H200 family of controllers, you can assign only two global hot spares. • If the status of the virtual disk is displayed as Degraded or Failed because of the hot spare protection policy violation, then assign the required number of hot spares (as defined in the protection policies) for the status to be displayed as normal. • Hot Spare Protection Policy is not applicable to PERC S100, S110, and S300 controllers.
In this case, you can unassign the global hot spare after creating a new virtual disk and then assign a new and larger hot spare to cover all redundant virtual disks on the controller. To determine whether the controller is using SCSI or SAS technology, see RAID Controller Technology: SCSI, SATA, ATA, and SAS.
To ensure that the controller firmware always has a healthy physical disk as a global hot spare: • Unassign the hot spare that is assigned as a global hot spare before removing and reassigning a physical disk that is assigned as a global hot spare, unassign the hot spare before removal and reassign another physical disk as the global hot spare. • Immediately replace any physical disk that has failed or been removed.
CacheCade Using Solid-State Drives 18 CacheCade is used to improve random read performance of the solid-state drive (SSD) based virtual disks. A solid-state drive (SSD) is a data storage device that uses solid-state memory to store persistent data. SSDs significantly increase the I/O performance (IOPS) and/or write speed in Mbps from a storage device. With storage controllers, you can create a CacheCade using SSDs. The CacheCade is then used for better performance of the storage I/O operations.
The CacheCade(s) page is displayed. 1. In the Server Administrator window, under the System tree, expand Storage. 2. Click a storage controller. For example: PERC H710P Adapter. 3. Click a storage controller component. 4. Under Available Tasks, select Manage CacheCade. 5. Click Execute. The CacheCade(s) page is displayed. Related Links CacheCade Using Solid-State Drives CacheCade Properties The CacheCade(s) page displays a table of properties for each CacheCade.
3. Type a name for the CacheCade. The size is calculated as follows: CacheCade size = capacity of the smallest SSD * the number of SSDs 4. From the available free disks that are displayed, select the SSDs that you would like to include in the CacheCade. The selected disks are displayed in the Physical Disks Selected section. 5. Click Finish. NOTE: The procedure of selecting physical disks while creating a CacheCade is similar to the selection of disks while creating a virtual disk.
Troubleshooting 19 This section contains troubleshooting procedures for common situations as well as for specific problems. Related Links Common Troubleshooting Procedures Virtual Disk Troubleshooting Specific Problem Situations And Solutions PCIe SSD Troubleshooting Fluid Cache For DAS Common Troubleshooting Procedures This section describes commands and procedures that can be used in troubleshooting.
Drivers And Firmware Storage Management is tested with the supported controller firmware and drivers. In order to function properly, the controller must have the minimum required version of the firmware and drivers installed. The most current versions can be obtained from the support site. NOTE: You can verify which firmware and drivers are installed by selecting the Storage object in the tree view and clicking Information/Configuration.
Rebuilding Data Replacing The Disk To replace the failed disk that is part of a redundant virtual disk: 1. Remove the failed disk. 2. Insert a new disk. Make sure that the new disk has equal or greater memory space than the one you are replacing. On some controllers, you may not be able to use the additional space by inserting a disk that has a higher memory space. A rebuild is automatically initiated because the virtual disk is redundant.
Setting The Physical Disk Online Or Offline Recovering From Removing The Wrong Physical Disk If the physical disk that you mistakenly removed is part of a redundant virtual disk that also has a hot spare, then the virtual disk rebuilds automatically either immediately or when a write request is made. After the rebuild has completed, the virtual disk no longer has a hot spare since data has been rebuilt onto the disk previously assigned as a hot spare. In this case, assign a new hot spare.
• • • • The hot spare has been unassigned from the virtual disk — This occurs on some controllers if the hot spare is assigned to more than one virtual disk and is being used to rebuild a failed physical disk for another virtual disk. The virtual disk includes failed or corrupt physical disks — This situation may generate alert 2083. For information on alert messages, see the Server Administrator Messages Reference Guide.
Management is only able to recognize extremely small virtual disks if they are dynamic. It is advisable to create virtual disks of larger size when using Storage Management. Virtual Disk Errors On Systems Running Linux On some versions of the Linux operating system, the virtual disk size is limited to 1TB. If you create a virtual disk that exceeds the 1TB limitation, your system may experience the following behavior: • I/O errors to the virtual disk or logical drive.
Physical Disk Is Offline Or Displays An Error Status A physical disk may display an error status if it has been damaged, is offline, or was a member of a virtual disk that has been deleted or initialized. The following actions may resolve the error condition: • If a user has changed the status to Offline, then return the disk to Online status by executing the Online disk task. • Rescan the controller. This action updates the status of storage objects attached to the controller.
Alerts 2146 Through 2150 Received While Performing I/O, Consistency Check, Format, Or Other Operation If you receive alerts 2146 through 2150 while performing an operation other than a rebuild, replace the damaged disk immediately to avoid data loss. Perform the following steps: 1. Back up the degraded virtual disk to a fresh (unused) tape drive. 2. Replace the damaged disk. 3. Perform a rebuild.
Storage Management May Delay Displaying Storage Devices After Reboot Storage Management requires time after a reboot to find and inventory all attached storage devices. You may experience a delay in storage controllers being displayed until this operation has completed. You Are Unable To Log Into A Remote System Ensure that you have connected to the system with administrator privileges and have provided the correct login details. The remote system may be turned off or there may be network problems.
• Peripheral Component Interconnect Express (PCIe) Solid-State Drive (SSD) Is Not Visible In The Operating System • PCIe SSD Is Not Visible In Disk Management In The Operating System Peripheral Component Interconnect Express (PCIe) Solid-State Drive (SSD) Is Not Visible In The Operating System Probable Cause: Hardware is not installed correctly Solution: Check the following components to ensure that they are connected: • Devices: The PCIe SSDs are installed in a PCIeSSD backplane.
Configured mode vs operational mode troubleshooting in cases of Pass Through and Write Through operational mode. When the last but one PCIe SSD is removed from the Fluid Cache pool, the cache pool high availability changes from True to False indicating that the cache pool is Write Through capable only and the operational cache mode for any Fluid Cache disk configured for Write Back changes to Write Through.
Frequently Asked Questions 20 This section provides frequently asked questions that address situations commonly experienced in a storage environment.
Replacing A Physical Disk Receiving SMART Alerts How Do I Recover From Removing The Wrong Physical Disk For more information, see Recovering From Removing The Wrong Physical Disk. How Do I Identify The Firmware Version That Is Installed The properties information of the controller displays the firmware version that is installed on the controller. From the Storage tree view object, you can display the firmware version for all controllers attached to the system.
Which RAID Level Is Best For Me? For more information, see Choosing RAID Levels And Concatenation and Comparing RAID Level And Concatenation Performance.
21 Supported Features Different controllers support different features. The tasks displayed by the Storage Management menus and other features vary depending on whether the controller supports the feature. This chapter lists the features supported by the controllers. For more information on Controllers, see your hardware documentation.
Controller Task PERC 5/E Name PERC 5/I PERC 6/E PERC 6/I PERC 6/I Modular Test Alarm Yes No No NA NA Reset Configuration Yes Yes Yes Yes Yes Set Rebuild Rate Yes Yes Yes Yes Yes Set Background Initialization Rate Yes Yes Yes Yes Yes Set Check Consistency Rate Yes Yes Yes Yes Yes Set Reconstruct Rate Yes Yes Yes Yes Yes Rescan Controller No No No No No Create Virtual Disk Yes Yes Yes Yes Yes Export Log File Yes Yes Yes Yes Yes Clear Foreign Configura
Controller Task PERC 5/E Name PERC 5/I PERC 6/E PERC 6/I PERC 6/I Modular Import Preview No of Foreign Configuration No Yes with firmware 6.1 and later Yes with firmware 6.1 and later Yes with firmware 6.1 and later Hot-plug of Enclosures No No Yes with firmware 6.1 and later No No Change Controller Properties No No Yes with firmware 6.1 and later Yes with firmware 6.1 and later Yes with firmware 6.1 and later Intelligent Mirroring No No Yes with firmware 6.
Battery Task Name PERC 5/E PERC 5/i PERC 6/E PERC 6/I PERC 6/I Modular Delay Learn Cycle Yes Yes Yes Yes Yes Connector Tasks Supported By The PERC 5/ And PERC 6/ Controllers Table 40. Connector Tasks Supported by the PERC 5/E and PERC 6/ Controllers Connector Task Name PERC 5/E PERC 5/I PERC 6/E PERC 6/I PERC 6/I Modular Connector Rescan No No No No No Physical Disk Tasks Supported By The PERC 5/E, And PERC 6/ Controllers Table 41.
Virtual Disk Tasks Supported By The PERC 5/ And PERC 6/ Controllers Table 42.
Virtual Disk Task Name PERC 5/E PERC 5/I PERC 6/E PERC 6/I PERC 6/I Modular Format Virtual Disk No No No No No Cancel Format Virtual Disk No No No No No Restore Dead Disk Segments No No No No No Initialize Virtual Disk No No No No No Fast Initialize Virtual Disk Yes Yes Yes Yes Yes Slow Initialize Virtual Disk Yes Yes Yes Yes Yes Cancel Initialize Virtual Disk Yes Yes Yes Yes Yes Replace Member No No Yes with firmware 6.1 and later Yes with firmware 6.
Virtual Disk Specification PERC 5/E PERC 5/I PERC 6/E PERC 6/I PERC 6/I Modular Minimum Stripe Size 8K 8K 8K 8K 8K Maximum Stripe Size 128 K 128 K 1MB 1MB 1MB Maximum 16 Number of Virtual Disks per Disk Group 16 16 16 16 Maximum Number of Physical Disks that can be Concatenated NA NA NA NA NA Maximum Number of Physical Disks in a RAID 0 32 32 32 32 32 Maximum Number of Physical Disks in a RAID 1 2 2 2 2 2 Maximum Number of Physical Disks in a RAID 5 32 32 32 32
Virtual Disk Specification PERC 5/E PERC 5/I PERC 6/E PERC 6/I PERC 6/I Modular Minimum Number of Physical Disks in a RAID 0 1 1 1 1 1 Minimum Number of Physical Disks in a RAID 1 2 2 2 2 2 Minimum Number of Physical Disks in a RAID 5 3 3 3 3 3 Minimum Number of Physical Disks in a RAID 10 4 4 4 4 4 Minimum Number of Physical Disks in a RAID 50 6 6 6 6 6 Maximum Number of Physical Disks in a RAID 6 NA NA 32 32 32 Maximum Number of Physical Disks in a RAID 60 NA NA
RAID Levels Supported By The PERC 5/E And PERC 6 Controllers Table 44.
Read, Write, and Cache Policy PERC 5/E PERC 5/I PERC 6/E PERC 6/I PERC 6/I Modular Write Cache Enabled Protected No No No No No Cache Policy No No No No No Disk Cache Policy Yes Yes Yes Yes Yes Cache I/O No No No No No Direct I/O No No No No No Enclosure Support On The PERC 5/ And PERC 6/ Controllers Table 46.
For enclosure-supported tasks, see Enclosure And Backplane Features. Controller Tasks Supported On The PERC Hardware Controllers Table 47.
Controller PERC Task Name H800 PERC H810 Adapte r PERC H700 Adapter/ Integrated PERC PERC PERC H700 H710 H710P Modular Adapter/ Adapter Mini Monolithi c/Mini Blade PERC H310 Adapter/ Mini Blade/ Mini Monolithic PERC H730P Adapter Import Foreign Configurat ion Yes Yes Yes Yes Yes Yes Yes Yes Import/ Recover Foreign Configurat ion Yes Yes Yes Yes Yes Yes Yes Yes Set Patrol Read Mode Yes Yes Yes Yes Yes Yes Yes Yes Start Patrol Read Yes Yes Yes Yes Yes Yes Yes Yes Conv
Controller PERC Task Name H800 PERC H810 Adapte r PERC H700 Adapter/ Integrated PERC PERC PERC H700 H710 H710P Modular Adapter/ Adapter Mini Monolithi c/Mini Blade PERC H310 Adapter/ Mini Blade/ Mini Monolithic PERC H730P Adapter Managing Preserved Cache Yes Yes Yes Yes Yes Yes No Yes Manage Encryption Key Yes Yes Yes Yes Yes Yes No Yes Manage CacheCad e Yes Yes Yes No No Yes No No Persistent Hot Spare Yes Yes Yes Yes Yes Yes Yes Yes Manage Physical Disk Power for U
Battery Tasks Supported On The PERC Hardware Controllers Table 48.
Physical Disk Tasks Supported By The PERC Hardware Controllers Table 50.
Physical PERC Disk Task H800 Name PERC H810 Adapter PERC H700 Adapter/ Integrate d PERC H700 Modular PERC PERC H710 H710P Adapter/ Adapter Mini Blade/ Mini Monolithi c PERC PERC H310 H730P Adapter/ Adapter Mini Blade/ Mini Monolithi c Convert to Raid Capable Disk NA No NA NA No No Yes Yes Convert to NonRaid Disk NA No NA NA No No Yes Yes Instant Encrypt Erase Yes Yes Yes Yes Yes Yes No Yes Revertibl e Hot Spare Yes Yes Yes Yes Yes Yes Yes Yes Virtual Disk Tasks Supp
Virtual Disk Task Name PERC H800 PERC H810 Adapter PERC H700 Adapter/ Integrated /Modular PERC H710 Adapter/ Mini Monolithic /Mini Blade PERC H710P Adapter/ Mini Blade/Mini Monolithic PERC PERC H310 H730P Adapter/ Adapter Mini Blade/Mini Monolithic Blink/ Unblink Yes Yes Yes Yes Yes Yes Yes Reconfigur Yes e Yes Yes Yes Yes Yes Yes Change Policy Yes Yes Yes Yes Yes Yes Yes Split Mirror No No No No No No No Unmirror No No No No No No No Delete Yes Virtual Disk Ye
Virtual Disk Task Name PERC H800 PERC H810 Adapter PERC H700 Adapter/ Integrated /Modular PERC H710 Adapter/ Mini Monolithic /Mini Blade PERC H710P Adapter/ Mini Blade/Mini Monolithic PERC PERC H310 H730P Adapter/ Adapter Mini Blade/Mini Monolithic Restore Dead Disk Segments No No No No No No No Fast Yes Initialize Virtual Disk Yes Yes Yes Yes Yes Yes Slow Yes Initialize Virtual Disk Yes Yes Yes Yes Yes Yes Replace Member Yes Yes Yes Yes Yes Yes Yes Encrypt Yes Virtual D
Virtual Disk Specifica tion PERC H800 PERC H810 Adapter PERC H700 Adapter/ Integrate d/ Modular PERC H710 Mini Blade PERC PERC H710 H710P Adapter/ Adapter Mini Monolithi c PERC PERC H310 H730P Adapter/ Adapter Mini Blade/ Mini Monolithi c Minimum 100MB Virtual Disk Size 100MB 100MB 100MB 100MB 100MB 100MB 100MB Maximu m Virtual Disk Size None None None None None None None None Maximu m Number of Spans per Virtual Disk 8 8 8 8 8 8 8 8 Maximu m Number of Physical Disks per Spa
Virtual Disk Specifica tion PERC H800 PERC H810 Adapter PERC H700 Adapter/ Integrate d/ Modular PERC H710 Mini Blade PERC PERC H710 H710P Adapter/ Adapter Mini Monolithi c PERC PERC H310 H730P Adapter/ Adapter Mini Blade/ Mini Monolithi c Maximu 32 m Number of Physical Disks in a RAID 0 32 32 32 32 32 16 32 Maximu 2 m Number of Physical Disks in a RAID 1 2 2 2 2 2 2 2 Maximu 32 m Number of Physical Disks in a RAID 5 32 32 32 32 32 16 32 Maximu 256 m Number of Physical Disks in
Virtual Disk Specifica tion PERC H800 PERC H810 Adapter PERC H700 Adapter/ Integrate d/ Modular PERC H710 Mini Blade PERC PERC H710 H710P Adapter/ Adapter Mini Monolithi c PERC PERC H310 H730P Adapter/ Adapter Mini Blade/ Mini Monolithi c Minimum NA Number of Physical Disks that can be Concate nated NA NA NA NA NA NA NA Minimum 1 Number of Physical Disks in a RAID 0 1 1 1 1 1 2 1 Minimum 2 Number of Physical Disks in a RAID 1 2 2 2 2 2 2 2 Minimum 3 Number of Physical Disks in
Virtual Disk Specifica tion PERC H800 PERC H810 Adapter PERC H700 Adapter/ Integrate d/ Modular PERC H710 Mini Blade PERC PERC H710 H710P Adapter/ Adapter Mini Monolithi c PERC PERC H310 H730P Adapter/ Adapter Mini Blade/ Mini Monolithi c Maximu 32 m Number of Physical Disks in a RAID 6 32 32 32 32 32 NA 32 Maximu 256 m Number of Physical Disks in a RAID 60 256 256 NA 256 256 NA 256 Minimum 4 Number of Physical Disks in a RAID 6 4 4 4 4 4 NA 4 Minimum 8 Number of Physical Disk
RAID Levels Supported By The PERC Hardware Controllers Table 53.
Read, Write, and Cache Policy PERC H800 PERC H810 Adapter PERC H700 Adapter/ Integrated /Modular PERC PERC H710 H710P Adapter/ Adapter Mini Monolithic /Mini Blade PERC H310 PERC Adapter/ H730P Mini Adapter Blade/Mini Monolithic No Read Ahead (Disabled) Yes Yes Yes Yes Yes No Yes Write Policy Yes Yes Yes Yes Yes No Yes Write Back Yes (Enabled) Yes Yes Yes Yes No Yes Write Through (Disabled) Yes Yes Yes Yes Yes No Yes Force Yes Write Back (Enabled Always) Yes Yes Yes Y
Supported Features On The SAS 5iR, SAS 6iR, And PERC H200 Controllers This section identifies the controller-supported features and whether an enclosure can be attached to the controller. • Controller Tasks • Battery Tasks • Connector Tasks • Physical Disk Tasks • Virtual Disk Tasks • Virtual Disk Specifications • Supported RAID Levels • Read, Write, Cache And Disk Cache Policy • Enclosure Support For enclosure-supported tasks, see Enclosure And Backplane Features.
Controller Task Name SAS 5/iR SAS 6/iR PERC H200 Import/Recover Foreign Configuration No Yes Yes Set Patrol Read Mode No No No Start Patrol Read No No No Stop Patrol Read No No No Patrol Read Report No No No Check Consistency Report No No No Slot Occupancy Report Yes Yes Yes Physical Disk Firmware Version Report Yes Yes Yes Controller Reports Battery Tasks Supported On The SAS 5/iR, SAS 6/iR, And H200 Controllers Table 57.
Physical Disk Task Name SAS 5/IR SAS 6/iR PERC H200 backplane and LEDs on the physical disks are present. Assign and Unassign Global Hot Spare No Supports up to two global hot spares Supports up to two global hot spares Prepare to Remove No No No Offline No No No Online No No No Initialize No No No Rebuild No NA NA Rebuild automatically initiated by the controller. Rebuild automatically initiated by the controller.
Virtual Disk Task Name SAS 5/IR SAS 6/iR PERC H200 Split Mirror No No No Unmirror No No No Delete Last Virtual Disk No Yes Yes Delete (any) Virtual Disk No Yes Yes Check Consistency No No No Cancel Check Consistency No No No Pause Check Consistency No No No Resume Check Consistency No No No Cancel Background Initialization (BGI) No No No Format Virtual Disk No No No Cancel Format Virtual Disk No No No Restore Dead Disk Segments No No No Initialize Virtual D
Virtual Disk Specifications For The SAS 5/iR, SAS 6/iR, And PERC H200 Controllers Table 62.
Virtual Disk Specification SAS 5/IR SAS 6/iR PERC H200 Minimum Number of Physical Disks in a RAID 5 NA NA NA Minimum Number of Physical Disks in a RAID 10 NA NA 4 Minimum Number of Physical Disks in a RAID 50 NA NA NA Maximum number of physical disks in a RAID 6 NA NA NA Maximum number of physical disks in a RAID 60 NA NA NA Minimum number of physical disks in a RAID 6 NA NA NA Minimum number of physical disks in a RAID 60 NA NA NA Maximum number of disks in configured state
Read, Write, and Cache Policy SAS 5/IR SAS 6/iR PERC H200 Cache Policy No No No Disk Cache Policy Yes Yes Yes Cache I/O No No No Direct I/O No No No Enclosure Support On The SAS 5/iR, SAS 6/iR, And H200 Controllers Table 64.
Physical Disk Tasks Supported By The PERC S100, PERC S110, And S300 Controllers Table 66. Physical Disk Tasks Supported by the PERC S100, PERC S110, and S300 Controllers Physical Disk Task Name PERC S100 PERC S110 PERC S300 Blink/Unblink No Yes No Assign and Unassign Global Hot Spare Yes Yes Yes Virtual Disk Tasks Supported By The PERC S100, PERC S110, And S300 Controllers Table 67.
Virtual Disk Specifications For The PERC S100, PERC S110, And S300 Controllers Table 68.
Virtual Disk Specification PERC S100 PERC S110 PERC S300 Minimum Number of Physical Disks in a RAID 10 4 4 4 RAID Levels Supported By The PERC S100, PERC S110, And S300 Controllers Table 69.
Read, Write, and Cache Policy PERC S100 PERC S110 PERC S300 Disk Cache Policy No No No Cache I/O No No No Direct I/O No No No Enclosure Support On The PERC S100, PERC S110, And S300 Controllers Table 71.
Controller Task Name Non-RAID SCSI Non-RAID SAS Rescan Controller No No Create Virtual Disk No No Export Log File No No Clear Foreign Configuration No No Import Foreign Configuration No No Import/Recover Foreign Configuration No No Set Patrol Read Mode No No Start Patrol Read No No Stop Patrol Read No No Battery Tasks Supported By Non-RAID Controllers Table 73.
Physical Disk Task Name Non-RAID SCSI Non-RAID SAS Rebuild No No Cancel Rebuild No No Remove Dead Disk Segments No No Format Disk No No Clear No No Cancel Clear No No Virtual Disk Tasks Supported By The Non-RAID Controllers Table 76.
Virtual Disk Task Name Non-RAID SCSI Non-RAID SAS Restore Dead Disk Segments No No Initialize Virtual Disk No No Fast Initialize Virtual Disk No No Slow Initialize Virtual Disk No No Cancel Initialize Virtual Disk No No Enclosure Support On The Non-RAID Controllers Table 77.
Enclosure Tasks MD1000 Storage MD1120 MD1200 Storage MD1220 Yes Yes Yes Yes Controller Reports Slot Occupancy Report Maximum Supported Configuration For SAS Controllers Table 79.
Determining The Health Status For Storage Components 22 The chapter describes how the status of lower-level storage components is “rolled up" into the combined status displayed for the controller or other higher-level component. The examples provided by these tables do not cover all scenarios, but they do indicate how status is rolled up when a particular component is in a healthy, degraded, or failed state.
Health Status Rollup: Physical Disks In A Virtual Disk Are Unsupported, Partially, Or Permanently Degraded Table 82. Health Status Rollup: Physical Disks in a Virtual Disk are Unsupported, Partially, or Permanently Degraded (Enclosures Not Included) Storage Controller Subsystem Battery Connector Physical Disk(s) Firmware/ Driver Virtual Disk(s) Componen t Status Health Rollup Health Status Rollup: All Physical Disks In A Virtual Disk Are In Foreign State Table 83.
Health Status Rollup: Virtual Disk Is Degraded; Physical Disks Are Failed Or Rebuilding Table 85. Health Status Rollup: Virtual Disk is Degraded; Physical Disks are Failed or Rebuilding (Enclosures Not Included) Storage Controller Subsystem Battery Connector Physical Disk(s) Firmware/ Driver Virtual Disk(s) Firmware/ Driver Virtual Disk(s) Componen t Status Health Rollup Health Status Rollup: Virtual Disk Is Failed Table 86.
Health Status Rollup: Enclosure Power Supply Failed Or Power Connection Removed Table 88. Health Status Rollup: Enclosure Power Supply Failed or Power Connection Removed Storage Controller Subsystem Connector Enclosure Enclosure Power Supply Virtual Disks Physical Disks N/A N/A N/A Componen t Status Health Rollup Health Status Rollup: One Enclosure Fan Is Failed Table 89.
Health Status Rollup: One Enclosure Temperature Probe Is Failed Table 91. Health Status Rollup: One Enclosure Temperature Probe is Failed Storage Controller Subsystem Connector Enclosure Enclosure Virtual Temperatu Disks re Probe Physical Disks Componen t Status Health Rollup N/A Health Status Rollup: Lost Both Power Connections To The Enclosure Table 92.
Health Status Rollup: Physical Disk Is Rebuilding Table 94.
