MAN -005900-000 Rev. 1.1 November 11,1996 Daytona Desktop SCSI RAIDarray CMD Technology, Inc.
Patent Pending DN#30579AUSOl CMD, CMD Technology, and Daytona are trademarks of CMD Technology, Inc. Windows and Windows 95 are registered trademarks of Microsoft Corporation. All other product and company names are trademarks or registered trademarks of other manufacturers. Copyright © CMD Technology, Inc. November 1996. All rights reserved. CMD reserves the right to make changes to this manual and the equipment described in this manual without notice.
Declaration of Conformity CMD Technology, Inc. declares that the equipment described in this document is in conformance with the requirements of the European Council Directives listed below: 89/336/EEC 93/68/EEC EMC Directive EMC Directive On the approximation of the laws of Member States relating to Electromagnetic Compatibility.
This page left blank intentionally.
Table of Contents Preface ix Retail and OEM Versions ......................................................................................................... ix Slave Version ............................................................................................................................ ix Conventions Used in this Manual ........................................................................................... ix 1 Installation 1-1 Installation Overview ..................................
Daytona RAIDarray Step 9: Configure the Operating System ............................................................................ 1-28 Drive Geometry ................................................................................................................. 1-28 Drive Geometry Example ............................................................................................ 1-28 Congratulations! ...................................................................................................
Daytona RAIDarray 4-1 4 Front Panel Main Menu ..................•.......................................................................................,.................... 4-1 RAID Set Status ......................................................................................................................4-2 Battery Check..........................................................................................................................4-2 Warning Messages .....................................
Daytona RAIDarray Fujitsu M2915QAU ....................................................................................................... A-6 Micropolis 3243W......................................................................................................... A-6 Quantum XP31070W ................... ,............................................................................... A-6 Quantum XP32150W ...................................................................................................
Preface The Daytona RAIDarray is a fault-tolerant, plug-and-play desktop RAID storage system for small to mid-size servers and workstations. Both the four-drive and six-drive models feature an embedded RAID controller with a Fast/Wide SCSI host interface, redundant power supplies, dual cooling fans, a backup battery, and a special bay for installing an optional 5W' half-height tape drive or other SCSI peripheral.
Daytona RAIDarray This page left blank intentionally.
1 Installation I nstallation Overview To install and configure the Daytona, you will need to perform the following steps. These steps are discussed in greater detail in succeeding sections of this chapter. Step Description See Page 1 Take inventory of all components unpacked from the shipping box. 1-1 2 For the OEM version only, install a memory module (SIMM) on the RAID controller board. Skip this step if you have a retail version, which comes with a 16-megabyte SIMM pre-installed.
Daytona RAIDarray Step 1: Take Inventory After you unpack the Daytona RAID array and accessorie~, you should have the components listed in the following table. If you are unsure whether you received a retail or OEM version, check the model number on the shipping box. If the last digit in the number is a 1, you have a retail version. If the last digit is a 0, you have an OEM version.
Daytona RAIDarray Step 2: Install Memory Module on RAID controller This step applies to the OEM version of the Daytona only. If you have the retail version, you should skip this step, since your RAID controller already has a 16-megabyte memory module (SIMM) installed. For information about upgrading the controller SIMM and guidelines for selecting the appropriate amount of cache for your system, see page A-9. The Daytona will not operate without a SIMM installed on the controller board.
Daytona RAIDarray Step 3: Install SCSI Drives You may use any of the several drive models certified by CMD Teohnology for the Daytona RAIDarray. For a complete list of certified drives, see page A-lor CMD's World Wide Web site (http://www.cmd.com). Once you have selected the drives for your Daytona, follow these installation steps for each drive: Remove the drive canisters from the Daytona.
Daytona RAIDarray Attach SCSIID and Drive Activity LED Cables Figure 1-3: Disk drive tray LED and SCSI 10 cables Drive Supplied Screws through Canister from Bottom and into Drive Figure 1-4: Securing drive to canister Disk Drive SCSI IDs All SCSI IDs on the Daytona's disk channel buses are set automatically and cannot be changed. The RAID controller always takes SCSI ID 7 on each drive channel.
Daytona RAIDarray ~-~~~~~~~~~ I .El6~:~D~ I ~ l Channel 1 110 0 SiRJ ~ ~m =:~~~'-I~ 1mJ ~ 1_ lL"", Channel 21 10 a NNwl Channel 21 10 1 ,: ,: ,:. :;.: .:;:. I~II : ...:... J :1 ..:1 ..:: ..:1 . :.: .. ..•..;.:•.. : :: ~ _ODD Four-Drive Confi guration Figure 1-5: Six-Drive Configuration Disk drive SCSI IDs in four- and six-drive models Terminating Disk Drive Channels The Daytona tenninates both ends of the two drive channels on the back plane with active tennination.
Daytona RAIDarray Step 4: Install Battery The battery is crucial to protecting your data in the event of a power failure. To improve write performance, the Daytona temporarily stores write data in cache before actually committing the data to disk. The battery provides enough current to preserve this cached data for as long as 36 hours, giving you time to restore AC power so the Daytona can finish writing the data to disk. CMD Technology highly recommends that you use a battery with the Daytona.
Daytona RAIDarray Connector Plate CD Loosen thumb screws, remove top power supply, and pivot connector plate out of the way Top Power Supply Figure 1-6: 1-8 @ Battery bay is located behind connector plate Installation
Daytona RAIDarray ® Make sure battery charger switch is in the down position during battery installation Connect cable to battery circuit board If necessary connect black lead to black terminal and red lead to red terminal Figure 1-7: Installation Battery cabling 1-9
Daytona RAIDarray ® Set the battery charger switch in the up position after installing the battery Slide battery into enclosure and secure with strap Figure 1-8: Securing the battery with the restraining strap Note When you first unpack the Daytona, the battery may be nearly or completely discharged. The Daytona's charger will recharge a dead battery in about 24 hours.
Daytona RAIDarray immediately begins preparations for an orderly shutdown. Figure 1-9 shows the location of the UPS signals connector.
Daytona RAIDarray Step 5: Install SCSI Peripheral (Optional) The Daytona comes with a special bay designed for an optional5W' fixed SCSI peripheral, such as a tape or CD-ROM drive. This device resides on the same SCSI bus as the Daytona and the host computer. It is not connected to the Daytona's RAID controller, so you cannot install another disk drive in the peripheral bay and make it part of a RAID set. If you wish to install a SCSI peripheral, follow these steps.
Daytona RAIDarray Remove 3 Screws Holding Cover Figure 1-10: Installation Remove screws holding cover 1-13
Daytona RAIDarray Power Cable ~ I SCSI Cable Figure 1·11: Attaching cables to peripheral Mounting Holes Figure 1·12: 1-14 Securing peripheral to the enclosure rack Installation
Daytona RAIDarray Step 6: Connect Power Supplies to AC Power The Daytona comes with redundant power supplies. Both power supplies must be turned on to operate the Daytona. If the Daytona detects that only one power supply is operating. it will sound an alarm. Follow these steps to connect the Daytona's power supplies to an AC power source: Set the voltage level switch on both power supplies to the appropriate value (115 volts or 230 volts) for your power system. See Figure 1-13 .
Daytona RAIDarray Step 7: Connect to Terminal and Configure the Daytona The Daytona comes with an embedded monitor utility for configuring and monitoring the status of the system. To access the monitor utility, you must connect a terminal or computer running terminal emulation software to the Daytona with the supplied serial cable.
Daytona RAIDarray Using Terminal in Microsoft Windows You may connect the serial cable to a PC or laptop and access the configuration utility through a terminal emulation application such as the Terminal program in Microsoft Windows. Here is how to set up Terminal to run the utility. Activate the Terminal application, and select Terminal Emulation ... from the Settings menu. Choose DEC VT-lOO (ANSI). Terminal Emulation o 1.TV (6 eneric J @ ........................................................, • ~.P.
Daytona RAIDarray Communications \ ]laud Rate o 110 o 2400 0 300 0 600 0 4800 @ (~§:9.Q) 01200 0 19200 p;:ata Bilo ,itop Bits LO~)0607@8 @ 1 01.5 Earity @ None flow Control @ XonlXoff o Odd o Even o Mark o Space 02 ~onnector o Hardware o None 0 Parity Check o Carrier Detect Using Hyperferminal in Windows 95 Activate the HyperTerminal application, and select File, Properties from the menu. From the Phone Number tab, select Configure.
Daytona RAIDarray Configuring the Daytona To activate the monitor utility, press the keyboard Enter key until you see the opening screen. Press the Enter key again to access the main menu. 1 At the main menu, select Setup Parameters.
Daytona RAIDarray Monitor Utility MAIN MENU 02-09-96 13:25:45 +- - - - - - - - - - - - - - - - - - - - - --+ RAID Set Information I Setup Parameters I Syst+- - - - - - - - - - - - - - - - - --+ RAID I Host Parameters I Syst I System Parameters I Disk I Host LUN Mapping I Rebu+- - - - - - - - - - - - - - - - - --+ Event Log I +- - -- - - - - - - --- - - ---- ----+ UP ARROW: CURSOR UP I DOWN ARROW: CURSOR DOWN I ENTER: SELECT I CTRL-Z: EXIT 3 Set the host parameters for your system.
Daytona RAIDarray Note The single-ended version of the Daytona comes with an active external terminator. The differential version comes with an external differential terminator. Once you have set the host parameters to your satisfaction, exit the Host Parameters screen by pressing Ctrl-Z. Creating a RAID Set The Daytona supports RAID levels 0, 0+1,1,4,5, and JBOD. Each RAID set may be partitioned into as many as 16 units. Note For an explanation of each RAID level, see "RAID Tutorial" on page 8-2.
Daytona RAIDarray 02-09-96 14:30:22 Moni tor Utility CREATE RAID SET +----- -- - - -- -+---- -+ I RAID Set I 0 +--- --- - ---- -+- -- --+ I I RAID Level I 4 +- - - ---- -- - --+---- -+ I +-- - - - - ---- - -+- -- --+ +----- - ------+- ----+ I Partitions I 1 I +-- - -- - ---- --+--- --+ Ch 2 Ch 1 +- ---+ Id 0 I Unkn I IUnknl +- - --+ Id 1 IUnknl +- - --+ Id 2 IUnknl Id 3 I IUnknl +----+ IUnknl +- - --+ +----+ +----+ +- ---+ +- - --+ Id 4 Id 5 I +----+ Id 6 I +- ---+ I +--
Daytona RAIDarray 02-19-96 14:46:36 Monitor utility CREATE RAID SET +- - - - - - - - - - -+- - - - - - - - - - - -+- - - - - - - - - - - -+- - - - - - - - - --+ I Partition I Redundancy I Chunk Size I Partition I I I Group I (BLKS) I Size (MB) I +- - - - - - - - - - -+- - - - - - - - - - - -+- - - - - - - - - - - -+- - - - - - - - - --+ I 0 I 0 I 256 I 1522 I +- - - - - - - - - - -+- - - - - - - - - -- -+- - - - -- -- - - - -+- - - - - - -- - --+ +- - - - - - - - - - - - - - - - - - - - - - -+- - -
Daytona RAIDarray 3 Designate a Redundancy Group number, Chunk Size, and Partition Size for each partition.
Daytona RAIDa~ray Monitor Utility ADD SPARES Id 0 Id 1 Id 2 Id 3 Ch 1 +- ---+ Ch 2 +----+ , Hot , +-- --+ +----+ 'Warm' +- - --+ 02-09-96 14:30:22 , 0 , +----+ , 0 , +- ---+ , 0 , +-, 0---+, , , , , +-, - --+, +- ---+ , , , , +----+ +- - --+ , , , , +----+ , +-- --+ Id 4 Id 5 Id 6 , +----+ +----+ ENTER: SELECT' S: ADD SPARE' I: DRIVE INFO, CTRL-Z: EXIT Use the arrow keys to highlight the field of an available drive and press Enter.
Daytona RAIDarray Moni tor Utility MAIN MENU 02-19-96 11:40:32 +- - - - - - - - - - - - - - - - - - - - - --+ RAID Set Information Setup Parameters System Information RAID Set Functions System Functions +- - - - - - - - - - - - - - - - - - - - - - - --+ Change Password 1 Restart System 1 System Shutdown +-1 Load System Code 1 Download Drive Firmware +- - - - - - - - - - - - - - - - - - - - - - - --+ UP ARROW: CURSOR UP 1-26 1 DOWN ARROW: CURSOR DOWN 1 ENTER:SELECT 1 CTRL-Z: EXIT Installation
Daytona RAIDarray Step 8: Connect the Daytona to the Host Computer To connect the Daytona to your computer, follow these steps: 1 Make sure that you have completed the shutdown procedure described in the previous section. 2 Switch off power to both of the Daytona's power supplies and the host computer. This will prevent disruptions to the host SCSI bus. 3 Connect the Daytona to the host SCSI bus with a SCSI cable (the retail version of the Daytona ships with a SCSI cable).
Daytona RAIDarray Step 9: Configure the Operating System Your computer's operating system will recognize the Daytona in the same manner that it recognizes any SCSI hard drive. The operating system will identify the Daytona by its SCSI ID and the Daytona's redundancy groups by their logical unit numbers (LUNs). If you are not sure how to configure your operating system for a new SCSI device, consult the operating system's manuals, or visit CMD Technology's World Wide Web site (http://www.cmd.com).
Daytona RAIDarray Since the RAID set is less than 32 gigabytes, the number of sectors will be 64, and the number of heads will be 16. To determine the number of cylinders, take the capacity of the RAID set in blocks from the top, right portion of the screen, divide that value by 1024 and toss the remainder. In this example, the block capacity is 8466432. Therefore, the number of cylinders the Daytona will report for this RAID set would be 8268 (8466432 + 1024 = 8268).
Daytona RAIDarray Congratulations! This completes the installation. Your Daytona should now be ready to use. See chapter 2 for more information about the monitor utility, which contains many more functions than those discussed in this chapter. If you have trouble with your Daytona, CMD Technology offers free technical support. The following table outlines the ways you can reach us (all times are Pacific Standard Time). 1-30 Service Hours Telephone/Address World Wide Web 24 hours, 7 days http://www.
2 Monitor Utility Reference The Daytona's monitor utility provides complete control over the configuration and operation of the controller. You may also use the utility to view the status of the controller's RAID sets and monitor the progress of create and rebuild operations. An event log screen displays a continuously updated listing of controller events to aid in troubleshooting.
Daytona RAIDarray Raid Information The Raid Set Statistics screen is the heart of the monitor utility and likely will be the screen you find most useful during normal operation of the controller. This screen provides a continuously updated report on the status of your RAID sets, with inforrhation about their parameters, drive configuration and condition. The following is an example of a Raid Set Statistics screen.
Daytona RAIDarray Setup Parameters This menu option uncovers the Host Parameters, System Parameters, and Host Lun Mapping submenus. These screens are useful for configuring the controller. Host Parameters Use this screen to set the SCSI ID, Synchronous transfer rate, and bus width for the Daytona's host interface. You may also enable or disable tag queuing here.
Daytona RAIDarray & Warning Be sure to use System Shutdown whenever you need to power down the controller for maintenance. System Shutdown flushes any data left in the cache and prepares the controller for an orderly shutdown. System Parameters Use this screen to configure password checking, and set the date and time of the controller's system clock. This screen also sets the rates for rebuilds and creates.
Daytona RAIDarray cache in anticipation that it will be requested in the next read operation. If the data is indeed requested, it can be fetched from cache rather than from the drive. This can greatly improve read performance when you are performing many reads from sequential data. If your data is non-sequential, read-ahead will actually slow read performance, because the controller will be reading extra data unnecessarily. In this case, you should tum read-ahead off.
Daytona RAIDarray 07-17-96 12:29:03 Monitor Utility I/O STATISTICS +- - - - - - -- - - - - - - - - - - - - - - -+- - - -- - -- -+- - -- - - - - -+- - - - - - - - -+- - - - - - - --+ I Redundancy Group 0 I Current I Minimum I Maximum I Average I + - - - - - - - - - - - - - - - - - - - - - - -+- - - - - - - - - +- - - - - - - - -+- - - - - - - - -+- - - - - - - --+ I Qro' s/sec I 0 I 0 I 0 I 0 I I Average OIO Size I 0 I 0 I 0 I 0 I I 0 I 0 I 0 I 0 I I Percent Reads I Percent Cache Hits I I I I I I Modified
Daytona RAIDarray 02-09-96 12: 00: 00 Monitor utility ENVIRONMENTAL STATUS +- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -+- - - - - - - - -+- - - - - - - - - - - - - - --+ I Parameters I Value I Status I +- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -+- - - - - - - - -+- - - - - - - - - - - - - - --+ I 5 Volt Level 5.00 V I Normal I 12 Volt Level 12.00 V I Normal I SCSI Terminator Voltage Level 5.00 V I Normal I DRAM 0 Voltage L e v e l S .
Daytona RAIDarray Warning If you edit a cell that represents a drive that is part of an existing RAID set, the controller will warn you that you are about to cause the RAID set to be degraded and ask you to confirm that you wish to proceed. If you edit another cell in the same RAID set, the controller will warn you that you are about to cause the RAID set to go offline and prompt for confirmation. Once you confirm either action, there is no way to undo the change.
Daytona RAIDarray +- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - --+ I I Disk Drive Information For Channel 2, SCSI ID 0 I I I I I I I I I Status: Capacity: Vendor: Model: Revision: Unknown 2050 MB QUANTUM XP32150 581H I I I I I +- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - --+ Note The width (number of drives) of each partition is equal to the width of the RAID set that encompasses it. All partitions within a RAID set will have the same RAID level.
Daytona RAIDarray Note When you use the arrow keys to select a redundancy group number, the monitor utility will skip over any numbers that already have been assigned. You may use the Host LUN Mapping screen under Setup Parameters to map a redundancy group to a different LUN or hide the redundancy group from the operating system. Chunk Size: RAID systems "stripe" data when writing to the array.
Daytona RAIDarray Partition Size: This is the size in megabytes of each partition. By default, the controller will try to equally apportion the available disk space to each partition. If you change the default values, the controller will display a running total of the allotted disk space in the Capacity (Used/Total) box. If the total size of the partitions you specify exceeds the total capacity of the disk drives in the RAID set, the Used field will be filled with asterisks (e.g., ****).
Daytona RAIDarray Rebuild Disk When a disk drive fails and the controller cannot find a suitable spare, you must replace the failed drive and then rebuild the data on the drive. The rebuild operation is initiated from the Rebuild Disk screen.
Daytona RAIDarray change, or Ctrl-Z to exit editing mode without saving the change. For spares, you can select from Hot and Warm. You may select multiple spares and add them in one operation. Hot Spare: A hot spare is powered-up and spun-up at all times to be ready for action at a momenes notice. Since a hot spare is always spinning, it is subject to almost as much wear and tear as an active drive.
Daytona RAIDarray password, enter the default password, Viper. Next, enter the new password. Finally, the controller will ask you to confirm the new password by reentering it. If You Forget Your Password ... If you forget your password, enter lostpassword (no space) at the password prompt. The controller will display an access code. Your reseller will be able to use these characters to generate another code that will reset the controller's password to its default setting.
Daytona RAIDarray Send Text File J2irectories: c:\temp\raid FileName: 15300_ ai. fdi 5300 ai. fdi 5400 al.fd. 5500:=ai.fdi 6560_ai.fdi ' , G'i list Files of !ype: \-IA_II_fi_'e_sl_"'._"'_ l _ _ _. IliII_:: : : Figure 2-1: f23- c:\ 12:7 temp It raid '--_ _ _ _ _ _ _---'=_!i*_:~! Driye$:: IIiiiiI c: ms-dos_6 II Following CR: 181 APpend lF o ,S.trip lF Send text file setup in Windows 3.1 If you are using the HyperTerminal application in Windows 95, select File, Properties.
Daytona RAIDarray If the loading of system code fails for any reason, the controller will inform you of the failure and offer to retry the load. Since the loading process erases the old code in the EPROM, the controller will not operate until you succeed in loading new code. Uploading New Boot Code In rare instances, you may need to load new boot code to take advantage of a new firmware release. Boot code contains low-level instructions that the controller uses during the boot up process.
Daytona RAIDarray System Shutdown If you should need to power down the controller, select System Shutdown prior to shutting off power. This will cause the controller to immediately flush its cache and proceed with a graceful shutdown. If you plan to leave power turned off for a lengthy period of time (e.g. for storage or shipping), be sure to tum the battery switch off. Otherwise the battery will continue to power the SIMM until its current supply is exhausted.
Daytona RAIDarray and drive channels, among other events. Technical support personnel will find the event log useful in diagnosing problems with the controller. Note Event log data is stored in a portion of the controller's cache memory. If you shut off power to the Daytona, the event log will be saved in memory as long as the battery supplies sufficient power. To view the event log, select Event Log from the main menu. The first event in the log will be displayed.
Daytona RAIDarray Event Type Description Unknown Returns any events that the controller could not classify. Reassigned Block The controller records a reassigned block event whenever a SCSI reassign block command is issued. Host The controller logs a host event whenever it cannot respond to a SCSI command from the host with good status.
Daytona RAIDarray Event Type Description Port Wide DMA Negotiation Occurs when the controller's port driver successfully completes a SCSI wide DMA negotiation. RAID Set Number: Use this filter to view events related to a specific RAID set number. Disk 1/0 Channel: Use this filter to view events related to a specific disk 110 channel. Disk 1/0 Channel and SCSI 10: its I/O channel and SCSI ID.
3 Handling a Drive Failure When a disk drive in a redundancy group fails, the Daytona will sound an alarm and indicate the failed drive by turning the drive's LED on the front bezel red. What happens next depends on the redundancy group's RAID level, as described in Table 3-1. Table 3-1: RAID Level How Different RAID Levels Handle Drive Failures Reaction to drive failure 0 The failure of one drive destroys the redundancy group. No further 1/0 activity can take place.
Daytona RAIDarray WARNING When you set out to replace a bad disk drive, be sure that you pull the correct drive from the Daytona. If you mistakenly disconnect a working member of the degraded RAID set, you will cause the RAID set to go off line. (If you accidentally remove the wrong drive, immediately reinsert it and restart the controller. In most cases, this will cause the RAID set to go back on line.
Daytona RAIDarray 11 The controller will ask you to confirm the action. Press Enterto proceed or Ctrl-Zto abort. Monitor Utility REBUILD DISK 02-09-96 15:12:22 +- ---- --- --------- - -- -- - - - ---- -+- - --+ I Degraded RAID Set To Rebuild I 0 +-- --- - -- -- ------ - - -- - - - - - -- - - -+- - --+ Ch 1 Id 0 Ch 2 +----+ +----+ I 0 I 0 I +----+ I +----+ +- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -.
Daytona RAIDarray This page left blank intentionally.
4 Front Panel The front panel on the controller tray provides a means to view and configure battery warning messages and get a quick glimpse of the status of your RAID sets. It does not offer the capability to change parameters or perform RAID set functions. Figure 4-1 shows the front panel and identifies the control buttons.
Daytona RAI Darray RAID Set Status If you select RAID Set Status, you will see a screen such as the following: UP LUN 0 STATUS NONDEGRADED DWN SEL EXT The LUN number is equivalent to the redundancy group number displayed in the monitor utility. The status will indicate if the LUN (redundancy group) is DEGRADED, NONDEGRADED, or UNUSED. Press the up and down arrow buttons to cycle through your redundancy groups. Press EXIT to return to the main menu.
Daytona RAIDarray Note To turn off a warning message or a RAID controller alarm, press the UP and DWN buttons simultaneously. System Shutdown If you should need to power down the controller, select System Shutdown prior to shutting off power. This will cause the controller to immediately flush its cache and proceed with a graceful shutdown. Front Panel Tests This menu option takes you to a set of routines designed to configure the display and test tbe soundness of the front panel display and buttons.
Daytona RAIDarray This page left blank intentionally.
5 Troubleshooting The Daytona employs a combination of audio and visual signals to warn or inform you of conditions that require your attention. The audio signals are produced by the Daytona's multi-tone alarm and the visual signals by the light emitting diodes (LEOs) next to each drive tray, under the fan tray, and on the bottom of each power supply module.
Daytona RAIDarray Each drive tray has a corresponding LED, as shown in Figure 5-2. During nonnal operation, this LED will blink green when the drive is active. The quiesce button is used to quiet activity on the SCSI bus in preparation for removing the drive, as will be explained later in this chapter.
Daytona RAIDarray Silencing a Node Controller Alarm Press any single drive quiesce button. If you stop an alarm signal without addressing the condition that triggered the alarm, the alarm will continue to sound, but at a slower rate. To fully stop the alarm, you must attend to the problem that caused the alarm. There are five situations that will generate a node controller alarm. Each situation produces a unique alarm signal, as the following table indicates.
Daytona RAIDarray Alarm Signal: Tones of alternating frequency create a siren-like effect. If a power supply or fan module is causing the alarm situation, the LED for the module will shine. Solution: This alarm can be triggered by a number of factors. At present, no means is available to signal which factor is causing a particular alarm. Future firmware versions will be able to communicate additional information about power supply, fan, and temperature problems.
Daytona RAIDarray Technical Support If you have trouble with your Daytona, CMD Technology offers free technical support. The following table outlines the ways you can reach us (all times are Pacific Standard Time). Troubleshooting Service Hours Telephonel Address World Wide Web 24 hours, 7 days www.cmd.com BBS 24 hours, 7 days 714-454-1134 714-454-0795 9600 baud, 8 data bits, 1 stop bit, no parity Phone Support 6 a.m. to 6 p.m. M-Th. 6 a.m. to 5 p.m. Fri.
Daytona RAIDarray This page left blank intentionally.
A Servicing the Daytona Qualified Disk Drives Tables A-I and A-2 list the disk drives that CMD Technology has tested and certified for use with the Daytona RAIDarray. See CMD's World Wide Web site at http://www.cmd.com for the most up-to-date list. Table A-1 : Supported Narrow Disk Drives Manufacturer Model Name Model Number Capacity Conner Filepro Performance CFP2107S 2.1 GB Conner Filepro Performance CFP4207S 4.2GB M2949SAU 9.1 GB Fujitsu IBM Ultrastar DFHS-52F 4.
Daytona RAIDarray Disk Drive Tray Cabling Narrow Drives The circuit board on the drive tray has a SCSI cable, a four-wire cable for the power supply, and a set of color-coded cables for SCSI ID and the drive activity LED. Figure A-I identifies each of leads in the SCSI ID and LED cable set. Orange (ScSIID MSS) - - - - - - - . Red (SCSI 10 bit 1) ---""""'\ Brown (SCSI 10 LSS) -----.
Daytona RAIDarray Fujitsu M2949SAU Disk Drive Component Side CN? o ~ o 0 o 0 Remove Jumper To Disable Termination 0 0 TM CN4 BI~kl~IB~' o fOl Red o lQ] Orange WWhite Figure A-3: Fujitsu M2949SAU cable connections IBM Ultrastar DFHS-S2F Disk Drive ~------------------------------------------------~ ~ ~ ~ £b ill fOl ~ lQ] 0 0 0 0 0 0 ~ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Hard Drive Component Side Figure A-4: IBM UltraStar DFHS-S2F cable connections Micropolis MC3243
Daytona RAIDarray Quantum XP34300S and XP32150S c::C:=i=rc=u::::it::::B::::o=a:::r:;::d======================::::::j1 0 0 10 0 o 0 o 0 o lQJ 0 e=Q] roJ I--.. ooooolr2Ji Hard Drive Figure A-6: Quantum XP343005 and XP321505 cable connections Connect the cables to the Quantum XP34301 and XP32151 disk drives as shown in Figure A-7.
Daytona RAIDarray Seagate ST31230N and ST15230N Hard Drive c=================================~JO J6 L0 Circuit Board 0 0 0 0 000ro1 0 o u[QJ al c: ~ a: ~ [QJ°h 0 0 OJ
Daytona RAIDarray Fujitsu M291SQAU Component Side o o 0 [ o] 0 CN4 Black ~ Brown ~White Red °° G ° Orange ° ° Yellow CN2 Figure A·i3: Fujitsu M29iSQAU cable connections Micropolis 3243W cC=i=rc=u:::it::::B:::o:::::a:::r=d==================:j' ° '0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ~ fOl 0 0 0 0 l--..
Daytona RAIDarray Quantum XP32150W 0000 000[9]00 000 000 Hard Drive PCB ~~~0~1 .M CD Figure A-16: Quantum XP32150W cable connections Quantum VP32210W . . . .~---. .
Daytona RAIDarray Seagate ST15150W Hard Drive Q) ~ 8, :E - § c: "2 ~ 17'"""---~ 3:~oa:d5r ] ooooo~_ _ o[2J~f010000 Figure A-19: Seagate ST15150W cable connections Sea gate ST32550W Hard Drive Q) ~ ~ :E g e "2 c: ~ 000 Figure A-20: 0 1 [7-----.:1 3:~oa:lDr o[2J~f010000 0 ~ _ _ Seagate ST32550W cable connections Mounting the CRO-5300 Controller Remove the controller canister (the topmost canister) from the Daytona box.
Daytona RAIDarray Figure A·21 : Controller tray assembly Replacing the Controller SIMM The Daytona's controller board cache accepts one standard SIMM for up to 64 megabytes of read and write memory. The amount of cache you should install will depend on the number and types of disk drives you install and the character of the 110 activity in the system. As a rule of thumb however, you should consider installing approximately 1 to 1.
Daytona RAIDarray SIMM Module Figure A·22: Location of SIMM on Controller Board How To Order a SIMM If you decide to purchase a replacement SIMM, it should meet the following specifications. Speed 60 nanoseconds Bus Width 36 bits wide Pins 72 Capacity 4 to 64 megabytes IC Count Not more than 36 Parity "True" parity Note The Daytona does not support SIMMs with more than 36 integrated DRAM circuits (ICs) on board.
Daytona RAIDarray Replacing the Battery The Daytona is designed to accept a 6.6 volt DC, lead-acid, gell-pack backup battery with a capacity in the range of 4 to 34 amp hours. For battery installation instructions, see "Step 4: Install Battery" on page 1-7. Replacing Power Supplies Caution Turn the power switch OFF (depress the 0 side of the switch) and unplug the power cord before removing or installing a power supply.
Daytona RAIDarray Connector Plate Loosen Thumb Screws and Pivot Connector Plate Out of the Way Figure A-24: To access the fan tray, first move the connector plate Once the connector plate is out of the way, you will be able to pull the fan tray out of the enclosure. Note that in Figure A-25 the connector plate has been removed to provide an unobstructed view of the fan tray and circuit board.
Daytona RAIDarray A defective fan is more likely than a bad circuit board. To replace a fan, disconnect it from the circuit board, and slide it out of the fan tray, as shown in Figure A-26. Slide a new fan into the vacant slot, making sure to align the air flow indicators properly, and connect it to the circuit board. You should feel the fan snap into place. Finish up by pushing the fan tray into the enclosure, swinging the connector plate back into place and tightening the thumb screws.
Daytona RAIDarray This page left blank intentionally.
B SCSI and RAID Tutorials A Quick SCSI Tutorial SCSI, which stands for Small Computer Systems Interface, is a standard high-speed parallel interface used for connecting computers to peripheral devices like the Daytona. Devices are connected to the SCSI bus in a daisy-chain fashion, meaning that the bus typically starts at the host computer, then travels to each peripheral device in succession.
Daytona RAIDarray RAID Tutorial The Daytona supports the following RAID levels: RAID Level Description Primary Use 0 Striping without parity Applications that demand high data throughput (e.g. video) but not data redundancy 1 Mirroring Applications that require the highest level of data availability. This is an expensive option because the same data is stored on two or more drives.
Daytona RAIDarray RAID 0 RAID 0 breaks up data into smaller chunks and then writes each chunk to a different drive in the array. The size of each chunk is determined by the controller's chunk size parameter, which you set in the course of creating a RAID set. The advantage of RAID 0 is its high bandwidth. By breaking up a large block of data into smaller chunks, the controller can use multiple drive channels to write the chunks to the disk drives.
Daytona RAIDarray RAID 1 RAID 1 (also known as mirroring or shadowing) takes data sent by the host and duplicates it on all the drives in the array. This results in a high degree of data availability, since you can lose all but one drive in the array and still have full access to your data. This comes at a price: a RAID 1 array requires multiple drives to achieve the storage capacity of a single drive.
Daytona RAIDarray RAID 0+1 As its name implies, RAID 0+ 1 combines RAID 0 (striping) with RAID 1 (mirroring). In a RAID 0+ 1 write, the controller breaks up the data block from the host into smaller chunks, then writes the chunks to half the drives in the array, while writing duplicate chunks to the remaining drives.
Daytona RAIDarray RAID 4 RAID 4 breaks up host data into chunks, calculates parity by performing an exclusive-or on the chunks, and then writes the chunks to all but one drive in the array and the parity data to the last drive. When the host request data from the disk drives, the controller retrieves the chunks containing the addressed data, reconstitutes the data from the chunks, and passes the data to the host.
Daytona RAIDarray writes to take place at the same time, but RAID 4 makes this impossible, since the writes must take turns accessing the fixed parity drive. For this reason, RAID 5 is the better choice for widely scattered, small write operations. Warning RAID 4 can withstand a single drive failure and handle lID activity without interruption in degraded mode until the failed drive is rebuilt. If a second drive fails while the RAI D set is in degraded mode, the entire RAID set will fail.
Daytona RAIDarray RAIDS RAID 5 addresses the bottleneck issue for barrages of widely scattered, small 110 operations. Like RAID 4, RAID 5 breaks data up into chunks, calculates parity, and then writes the chunks in stripes to the disk drives, saving one drive on each stripe for the parity data. Unlike RAID 4, however, RAID 5 changes the parity drive on each stripe.
Daytona RAIDarray JBOD JBOD, which stands for "Just a Bunch of Disks," makes it possible to connect one or more standalone disk drives to the controller. A JBOD disk drive is not part of a redundancy group, even though the controller assigns a redundancy group number to the drive. This number becomes that logical unit number (LUN) that the host will use to address the drive. (You may map any redundancy group number to another LUN using the Host LUN Mapping feature of the monitor utility.
Daytona RAIDarray This page left blank intentionally.
C Specifications Specifications General RAID Architecture 32-bit RISC CPU with 80 MB/sec., 36-bit DMA data path Host Bus Interface 20 MB/sec, FastIWide/Single-Ended or FastIWide/Differential Disk Bus Interface Two, 20 MB/sec.
Daytona RAIDarray Daytona Models Table 3-1: Daytona Model Numbers Model Number Host Channel Drive Channels Number of Drive Bays HWS-0005930-161 Wide (16-Bit) Single-Ended Narrow (a-Bit) Single-Ended 6 HWS-0005930-141 Wide (16-Bit) Single-Ended Narrow (a-Bit) Single-Ended 4 HWS-0005931-161 Wide (16-Bit) Single-Ended Wide (16-Bit) Single-Ended 6 HWS-0005931-141 Wide (16-Bit) Single-Ended Wide (16-Bit) Single-Ended 4 HWS-0005932-161 Wide (16-Bit) Differential Wide (16-Bit) Single-Ended
D Warranty BASIC WARRANTY-CMD warrants this product to be free from defect in material and workmanship for a period of three years from the date of shipment. During this period, if the customer experiences difficulties with the product and is unable to resolve the problem via phone with CMD Technical Support, a Return Material Authorization (RMA) will be issued. Following receipt of an RMA, the Purchaser is responsible for returning the product to CMD, freight prepaid.
Daytona RAIDArray Return and Repair Policy Return for Repair CMD RAID Chassis, Original CMD Chassis Components, and CMD Controller In-Warranty (Less than 3 years) Defective products will be repaired or replaced at CMD's option and returned to the customer within 15 working days from the date of receipt at CMD. CMD does not warranty disk or other peripheral devices installed in or attached to CMD RAID chassis or controllers.
Daytona RAIDArray Shipping Charges The following shipping charges apply to all REPAIR, SWAP, LOANER, and UPGRADE UNITS. In-Warranty Domestic Freight from CMD to customer is to be paid by CMD; freight from customer to CMD is to be paid by customer. International Same as above, except customer is responsible for payment of all customs duties and broker fees. Out-of Warranty Warranty Domestic All fees are to be paid by customer.
Daytona RAIDArray This page left blank intentionally.
Index Alarm, 5-2-5-4 air flow warning, 5-4 drive release, 5-4 Illegal drive change, 5-3 node controller, 5-2 operator error, 5-4 power supplies at power on, 5-3 power supply or fan, 5-3 RAID Controller, 5-2 silencing, 4-3, 5-2, 5-3 Battery front panel warnings, 4-2 Boot code loading new, 2-16 obtaining, 2-16 Chunk size, 2-10 free list statistics and, 2-6 Geometry for drives, 1-28 Heads reported, 1-28 Host LUN mapping, 2-5 110 process information, 2-7 JBOD, 2-8, 2-9 LUNs mapping, 2-5 Mapping LUNs, 2-5 Ope
Daytona RAIDarray Rebuilding RAID groups concurrent, 2-12 Synchronous transfers, 2-3 Redundancy group, 2-9 definition, 1-24 System code loading, 2-14--2-15 obtaining, 2-14 Restarting the system, 2-16 System date, 2-4 Scanning the SCSI bus, 2-12, 2-13 System functions, 2-13-2-17 SCSI scanning bus, 2-8, 2-12, 2-13 System statistics, 2-5 SCSIID of host module, 1-20,2-3 Tag queuing, 1-20,2-3 Sectors reported, 1-28 Setup parameters, 2-3 Shutting down the system, 2-17,4-3 Slave unit, ix, 1-4 Spares a
