Hardware Maintenance Hardware Maintssss
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Table of Contents Preface ........................................................................................................v Introduction to PS Series Storage Arrays ...................................................1 Steps for Setting Up and Using an Array ...................................................2 Step 1. Set Up the Array Hardware Configuration .....................................3 A. Unpack Shipping Box and Gather Required Hardware ........3 B. Mount Array in a Rack ...................
Preface This QuickStart describes how to set up EqualLogic PS Series model 50E to 400E storage array hardware and create a PS Series group—a self-managing, storage area network (SAN) that is affordable and easy to use, regardless of scale. After setting up the group, see the PS Series Group Administration manual for information about managing the group. Note: For model 50E to 400E storage arrays, PS Series Firmware Version 2.
PS Series 50E to 400E QuickStart Preface Organization This QuickStart is organized as follows: • Introduction to PS Series Storage Arrays • Steps for Setting Up and Using an Array Step 1. Set Up the Array Hardware Configuration Step 2. Configure the Array and Create a Group Step 3. Set the RAID Policy Step 4. Create a Volume Step 5. Connect to the Volume from a Host System • Advanced Operations and More Information EqualLogic Website The EqualLogic website (www.equallogic.
PS Series 50E to 400E QuickStart Preface The QuickStart and Hardware Maintenance manuals are printed and shipped with the product. They are also located on the PS Series documentation CD-ROM that is shipped with the product, along with the Group Administration and CLI Reference manuals and the Group Manager online help. In addition, the Host Integration Tools for Microsoft® Windows® systems are available on the Host Integration Tools CD-ROM that is shipped with the product.
Introduction to PS Series Storage Arrays EqualLogic PS Series storage arrays deliver the benefits of consolidated storage in a storage area network (SAN) that is affordable and easy to use—regardless of its size. With intelligent, automated management and fast, flexible scalability, PS Series arrays greatly reduce storage acquisition and management costs.
PS Series 50E to 400E QuickStart Steps for Setting Up and Using an Array At a minimum, a group consists of one array with one network connection, but you can configure three network interfaces for maximum array bandwidth. Data and network I/O are automatically load balanced across disks and interfaces—with no impact on data availability. PS Series Group With Multiple Members You can easily increase group capacity and bandwidth by adding arrays.
PS Series 50E to 400E QuickStart Step 1. Set Up the Array Hardware Configuration Step 1. Set Up the Array Hardware Configuration A. Unpack Shipping Box and Gather Required Hardware The order in which you unpack the shipping box is important for safety: 1. Open the outer shipping box, remove the inner carton containing the array chassis, and place it on a secure, stable surface. The array chassis is heavy. Do not attempt to lift or install the array without assistance. 2.
PS Series 50E to 400E QuickStart Step 1. Set Up the Array Hardware Configuration Ensure that the shipping box includes all the components required for installation, as shown in the following figure and described in the table Storage Array Shipping Box Contents. In addition, the array installation requires the hardware described in the table Required Hardware – Not Supplied. This hardware is not provided with the array.
PS Series 50E to 400E QuickStart Step 1. Set Up the Array Hardware Configuration Storage Array Shipping Box Contents Component Description Storage array chassis The 3U unit contains one or two control modules, two power supplies, two fan trays, and slots for up to 14 disks. Seven or fourteen disk A disk drive or blank carrier must be installed in each array disk drives or blank carriers slot. Only disks from EqualLogic are supported.
PS Series 50E to 400E QuickStart Step 1. Set Up the Array Hardware Configuration Storage Array Shipping Box Contents (Continued) Component Description Documentation and CD-ROMs Printed documentation includes the PS Series QuickStart, Hardware Maintenance, Release Notes, and SAN setup poster. The Group Administration and CLI Reference manuals and the Group Manager online help are on the documentation CD-ROM, along with the QuickStart and Hardware Maintenance manuals.
PS Series 50E to 400E QuickStart Step 1. Set Up the Array Hardware Configuration The following table describes the optional hardware that you can use in a storage array installation. This hardware is not provided with your array. Optional Hardware – Not Supplied Component Description One or two UPS systems Provide a highly available source of power to an array. Each UPS system should be on a different circuit and must provide the correct type of voltage for an adequate amount of time.
PS Series 50E to 400E QuickStart Step 1. Set Up the Array Hardware Configuration B. Mount Array in a Rack A PS Series array must be mounted in a two-pole or four-pole 19” rack. Be sure there is sufficient space for air flow in front of and behind the rack and the room has proper ventilation. Attach an electrostatic wrist strap to your wrist and a grounded device before handling the array chassis. The storage array chassis is heavy. Do not attempt to lift or install the array without assistance.
PS Series 50E to 400E QuickStart Step 1.
PS Series 50E to 400E QuickStart Step 1. Set Up the Array Hardware Configuration C. Install Disks or Blank Carriers Follow these rules for handling PS Series array disks: • Do not remove a disk from its plastic carrier or you will void your warranty and support contract. • Do not leave a disk slot empty or you will void your warranty and support contract. Each slot must have a disk drive assembly or blank carrier installed. • Allow disks to warm to room temperature before installation.
PS Series 50E to 400E QuickStart Step 1. Set Up the Array Hardware Configuration D. Connect Power Cables for Grounding A PS Series array includes two power supplies. It is recommended that you connect both power supplies to different power sources, preferably on separate circuits. For a highly-available power configuration, connect one power supply to an uninterruptible power supply (UPS) system, and connect the other power supply to a different source of power.
PS Series 50E to 400E QuickStart Step 1. Set Up the Array Hardware Configuration E. Connect Array to a Network Switch A PS Series array includes one or two control modules and can have one to three network connections. Only one control module is active (actively serving I/O) at one time. The secondary (redundant) control module mirrors cache data from the active control module. If the active control module fails, the secondary will take over network operations.
PS Series 50E to 400E QuickStart Step 1. Set Up the Array Hardware Configuration Network Recommendations Recommendation Description Switched Gigabit Ethernet network Connect arrays and hosts to a switched network and ensure that all network connections between hosts and arrays are Gigabit Ethernet. An array can operate at 10 and 100 Mbits, but performance will be significantly degraded.
PS Series 50E to 400E QuickStart Step 1. Set Up the Array Hardware Configuration Recommendations for connecting network cables are as follows: • Connect Ethernet interfaces in the following order: PORT 0, PORT 1, and PORT 2. • Distribute network connections across control modules and network switches. • To ensure connectivity to the non-redundant port (PORT 2), connect cables to PORT 2 on both control modules.
PS Series 50E to 400E QuickStart Step 1. Set Up the Array Hardware Configuration F. Turn on Power to Array and Check LEDs Before turning on power, be sure the array is at room temperature. If an error message or LED indicates a problem, contact the support provider for your PS Series array. Front Panel LEDs Back Panel LEDs Front Panel LED Descriptions Array LEDs Color Description PWR Off No power. Green Power.
PS Series 50E to 400E QuickStart Step 1. Set Up the Array Hardware Configuration Front Panel LED Descriptions (Continued) Array LEDs Color Description WARN Off No power or normal condition. Red One or more of the following has occurred: • RAID set is degraded but still functioning. • RAID set (volume-level) has lost blocks. • Component temperature is near upper or lower limit. • Fan RPMs exceed upper or lower limit. • Power supply fan has failed. • Power supply is not installed or has no power.
PS Series 50E to 400E QuickStart Step 1. Set Up the Array Hardware Configuration Disk LED Descriptions Disk LEDs Color Description Left Off No power or error condition Green Power. Right Off No power or normal condition. Red Error condition. Flashing green Disk activity. Control Module LED Descriptions Control Module LEDs PWR ERR ACT Color Description Off No power. Green Power. Off No power or no error condition. Red Array is starting up or error condition.
PS Series 50E to 400E QuickStart Step 1. Set Up the Array Hardware Configuration Power Supply LED Descriptions Power Supply LEDs Color Left (location may differ on Off some power supplies) Orange Right (location may differ on some power supplies) Description No power or error condition. Input power good (AC). Off No power or error condition. Green Output power good (DC). Fan Tray LED Descriptions Fan Tray LED Color Description Outside edge of fan tray Off No power.
PS Series 50E to 400E QuickStart Step 1. Set Up the Array Hardware Configuration G. Connect Array to a Console Terminal Set up a serial connection between the array and a console terminal (or a computer running a terminal emulator) to run the setup utility and add the array to a group. After setting up the array, the serial connection is no longer required.
PS Series 50E to 400E QuickStart Step 2. Configure the Array and Create a Group Step 2. Configure the Array and Create a Group The setup utility enables you to configure a storage array on the network and create a PS Series group with the array as the first member. The utility prompts for the array’s network configuration and the group configuration, including the group IP address.
PS Series 50E to 400E QuickStart Step 2. Configure the Array and Create a Group Group Configuration Prompt Description Group name Name of the group (up to 54 characters). Valid characters include letters, number, and dashes. The first character must be a letter or number. Identifies the group for the purposes of adding new members or setting up replication. Group IP address Network address for the group.
PS Series 50E to 400E QuickStart Step 2. Configure the Array and Create a Group An example of running the setup utility is shown next. There may be a short delay after entering the group IP address as the array searches the network. Example of Configuring an Array and Creating a Group Group Manager Setup Utility The setup utility establishes the initial network and storage configuration for a storage array and then configures the array as a member or a new or existing group of arrays.
PS Series 50E to 400E QuickStart Step 3. Set the RAID Policy Step 3. Set the RAID Policy After you create the group, use the Group Manager GUI or CLI to set the RAID policy for the member. This will automatically configure the disks according to the RAID policy, with the appropriate number of spare disks. A member can be configured with one of the following RAID policies: • RAID-10 – Striping on top of multiple RAID 1 (mirrored) sets, with one or two spare disks.
PS Series 50E to 400E QuickStart Step 3. Set the RAID Policy Using the GUI to Set the RAID Policy To start the GUI, specify the group IP address in a Web browser. When prompted, log in to the group by entering the grpadmin account name and the password that you specified when creating the group. The Group Summary window appears. Note: To obtain Group Manager help from the EqualLogic website, click Tools in the bottom left corner of the GUI and then click Online Help.
PS Series 50E to 400E QuickStart Step 3. Set the RAID Policy Click Yes and the Configure Member – General Settings dialog box appears. Configure Member – General Settings Enter an optional member description and click Next. The Configure Member – RAID Configuration dialog box appears.
PS Series 50E to 400E QuickStart Step 3. Set the RAID Policy Select the RAID policy for the member. The pool capacity values in the dialog box table will change, depending on the selected RAID policy. For example, in the preceding dialog box, selecting RAID50 provides an estimated capacity of 5.24 TB. In contrast, selecting RAID-10 would provide less capacity, while selecting RAID-5 would provide more capacity. Click Next to continue. The Configure Member – Summary dialog box appears.
PS Series 50E to 400E QuickStart Step 3. Set the RAID Policy Group Summary – Completed Member Configuration Using the CLI to Set the RAID Policy To access the CLI, establish a telnet or SSH connection to the group IP address or use a serial connection to the array, as described in Step 1-G on page 19. When prompted, log in to the group by entering the grpadmin account name and the password that you specified when creating the group.
PS Series 50E to 400E QuickStart Step 4. Create a Volume Step 4. Create a Volume After setting the RAID policy for a member, use the Group Manager GUI or CLI to create volumes. You can specify the following information about a volume: • Volume name – Name, up to 64 characters (including letters, numbers, periods, hyphens, and colons), that is used to identify the volume for administrative purposes. The volume name appears at the end of the iSCSI target name that is generated for the volume.
PS Series 50E to 400E QuickStart • Step 4. Create a Volume Access controls – Access control records are used to restrict volume access to hosts that supply the correct credentials. By default, no host can access a volume. A host must match a record in order to access a volume. You can restrict access according to the following: – CHAP user name – Restricts access to hosts that supply the specified CHAP user name (and its associated password or “secret”).
PS Series 50E to 400E QuickStart Step 4. Create a Volume Using the GUI to Create a Volume To start the GUI, specify the group IP address in a Web browser. When prompted, log in to the group by entering the grpadmin account name and the password that you specified when creating the group. The Group Summary window appears, displaying the current group configuration and storage pool capacity. To create a volume, click Create volume in the Activities panel.
PS Series 50E to 400E QuickStart Step 4. Create a Volume Create Volume – Space Reserve Enter the following information: • Volume size. Be sure to specify the correct unit of measurement. • Thin-provisioning setting. If selected, slider bars appear, enabling you to specify the minimum volume reserve, the in-use space warning value, and the maximum in-use space value for the thin-provisioned volume. • Snapshot reserve.
PS Series 50E to 400E QuickStart Step 4. Create a Volume Create Volume – iSCSI Access Specify the IP address, CHAP user name, or iSCSI initiator name to which the volume will be restricted. In the previous dialog box, volume access is restricted to IP address 172.17.1.40. You can set up more access controls after creating the volume. Click Next.The Create Volume – Summary dialog box appears. If the volume configuration is satisfactory, click Finish to create the volume. Click Back to make changes.
PS Series 50E to 400E QuickStart Step 4. Create a Volume Create Volume – Summary Once you create a volume, you can create snapshots of the volume or perform other tasks. The following Group Summary window shows a group with volumes and snapshots.
PS Series 50E to 400E QuickStart Step 4. Create a Volume Using the CLI to Create a Volume To access the CLI, establish a telnet or SSH connection to the group IP address or use a serial connection to the array, as described in Step 1-G on page 19. When prompted, log in to the group by entering the grpadmin account name and the password that you specified when creating the group.
PS Series 50E to 400E QuickStart Step 5. Connect to the Volume from a Host System Step 5. Connect to the Volume from a Host System A PS Series group volume is seen on the network as an iSCSI target. When you create a volume, its iSCSI target name is generated automatically. An example of an iSCSI target name for a volume named dbvol is as follows: iqn.2001-05.com.equallogic.
PS Series 50E to 400E QuickStart Advanced Operations and More Information Advanced Operations and More Information After getting started, you can customize a PS Series group and also utilize the full set of product features and host-based solutions. You can also obtain technical support. For more information, see Product Documentation and Technical Support on page vi. The following table lists advanced operations.
PS Series 50E to 400E QuickStart Advanced Operations and More Information Advanced Operations (Continued) Volume Task Description Create access control records for a volume. An access control record specifies the criteria that a host must meet in order to access the volume. Create snapshots of a volume. Snapshots are point-in-time copies of volume data that can be used for backups. Set up replication across different groups.
Index model differences 5, 19 model restrictions v network connections 12 serial connections 19 A access controls, for volumes 29 array adding to a group 20 configuration prompts 20 configuring 20 console connection 19 creating a group 20 disk installation 10 documentation vi environment requirements 7 LED descriptions 15 network address 20 network connection examples 14 network connection guidelines 12 password for logging in 21 power requirements 7 power supply connections 11 powering on 15 rack mounting
PS Series 50E to 400E QuickStart password for adding members 21 password for managing 21 GUI, accessing 24 H hardware console connection 19 control module models v disk installation 10 environment requirements 7 LED descriptions 15 optional 7 power supply connections 11 powering on array 15 rack mounting array 8 required 4, 5 serial connection 19 setting up 3 shipping box contents 4, 5 unpacking 3 hosts accessing CLI 27 accessing GUI 24 accessing volumes 29 connecting to volumes 35 Flow Control recommenda
PS Series 50E to 400E QuickStart for logging in to group 21 pools, assigning volumes 28 power supplies connecting array 11 LED indicators 18 turning on 15 using UPS systems 11 product return requirements 3 R rack mounting array four-pole rack 8 two-pole rack 8 using non-threaded poles 7 RAID levels, supported 23 RAID policy descriptions 23 setting with CLI 27 setting with GUI 24 S serial connection, setting up 5, 19 setup utility array configuration prompts 20 creating a group 20 example of creating a gr
