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11. If you did not power off the destination system, use the

sautil <device_file>

reset_ctlr

command to make the new disks or array visible on the server.

See

“The sautil command” (page 60)

.

12. To verify the new disk configuration, use ORCA or

sautil

.

See

“Using ORCA” (page 53)

and

“The sautil <device_file> command” (page 63)

.

58

Configuration

Summary of Contents for HP-UX 11i v2

Page 1: ...rvers Support Guide HP UX 1 1i v2 and 1 1i v3 Abstract This document describes how to install configure and troubleshoot HP Smart Array SAS controllers on HP Integrity servers running HP UX HP Part Number 5900 1909 Published November 201 1 Edition 8 ...

Page 2: ...States and other countries Printed in Taiwan Confidential computer software Valid license from HP required for possession use or copying Consistent with FAR 12 21 1 and 12 212 Commercial Computer Software Computer Software Documentation and Technical Data for Commercial Items are licensed to the U S Government under vendor s standard commercial license The information contained herein is subject t...

Page 3: ...ffline 25 Adding or replacing a Smart Array controller online 25 Connecting external devices 26 Verifying and updating controller firmware offline 26 Verifying the controller firmware 26 Downloading the firmware update 27 Updating the controller firmware 28 Verifying the firmware update 29 HELP or 29 Error messages 30 Verifying and updating enclosure firmware offline 30 Verifying the enclosure fir...

Page 4: ...d 63 Logical drive state definitions 75 Physical disk state definitions 76 The sautil device_file scan command 77 The sautil device_file accept_media_xchg logical_drive_number command 77 The sautil device_file set_transfer_rate rate command 78 The sautil device_file run_startup_script command 78 Using sautil to check and update the controller firmware 78 Determining the Smart Array series controll...

Page 5: ...evel and probability of drive failure 109 C Power on Self Test POST error codes 111 POST error codes 111 D Electrostatic discharge 116 Handling parts 116 Grounding 116 E Cable kits 117 F Controller specifications 118 G Regulatory compliance notices 122 Federal Communications Commission notice 122 Declaration of conformity for products marked with the FCC logo United States only 122 Modifications 1...

Page 6: ...ee Figure 2 page 7 The two models have identical functionality Figure 1 HP AD348A Smart Array P400 controller with SAS connectors on front of board 3 4 5 1 2 5 3 Connectors for cache module also known as BBWC or array accelerator 1 SAS port 2I internal 4x wide SFF8484 connector Cache module with a connector for the cable to the battery pack The cache 2 SAS port 1I internal 4x wide SFF8484 connecto...

Page 7: ... connector for the cable to the battery pack The cache module must be installed on 4 2 SAS port 2I internal 4x wide SFF8484 connector SAS port 1I internal 4x wide SFF8484 connector the controller before the controller is installed in a server or the controller will not boot Smart Array P400 controller board runtime LEDs The Smart Array P400 Controller board has eight runtime LEDs that indicate act...

Page 8: ...a command from the host driver CR5 Green 5 Heartbeat LED This LED flashes every 2 seconds to indicate controller health CR6 Green 6 Gas Pedal LED This LED with item 8 CR7 indicates the amount of controller CPU activity See Table 2 CR4 Green 7 Idle Task LED This LED with item 7 CR4 indicates the amount of controller CPU activity See Table 2 CR7 Green 8 Table 2 Determining the P400 controller CPU ac...

Page 9: ... LEDs runtime LEDs To interpret the illumination cache battery that upgrades the cache to BBWC pattern of these LEDs see Table 3 page 10 2 Cache module also known as array accelerator Smart Array P41 1 controller board runtime LEDs The Smart Array P41 1 Controller board has nine runtime LEDs that indicate activities and error conditions Figure 5 Smart Array P41 1 controller board runtime LEDs 1 3 ...

Page 10: ...the controller is working on a command from the host driver DS5 Green 5 Activity LED for SAS port 1 DS4 Green 6 Activity LED for SAS port 2 DS3 Green 7 Disk Failure LED A physical disk connected to the controller has failed See the Fault LED on each disk to determine the failed disk DS2 Amber 8 Diagnostics Error LED One of the server diagnostics utilities has detected a controller error DS1 Amber ...

Page 11: ...ard pattern of these LEDs see Table 5 page 12 4 Connector for the cable to an optional cache battery that upgrades the cache to 2 Connector not used on HP Integrity servers BBWC This connector is absent on some P700m models Smart Array P700m controller board runtime LEDs The Smart Array P700m Controller board has 10 runtime LEDs that indicate activities and error conditions Figure 7 Smart Array P7...

Page 12: ... Outstanding LED Indicates that the controller is working on a command from the host driver CR5 Green 7 Controller Heartbeat LED This LED flashes every two seconds to indicate controller health CR6 Green 8 Gas Pedal LED This LED with item 10 CR8 indicates the amount of controller CPU activity See Table 6 CR7 Green 9 Idle Task LED This LED with item 9 CR7 indicates the amount of controller CPU acti...

Page 13: ...ckup power for the DDR cache memory This provides sufficient duration to transfer the cached data from DDR memory to flash memory where the data remains indefinitely or until a controller retrieves the data Smart Array P71 1m controller board runtime LED The Smart Array P71 1m Controller board has one Controller Heartbeat LED CR6 This LED flashes every two seconds to indicate controller health Fig...

Page 14: ...each 4x wide 5 SAS port 4I internal 4x wide 2 7 Heartbeat LED flashes green when operating normally Batteries for cache module Two batteries are sufficient but a third can be added to and amber if the controller as failed provide extra security from loss of system power 3 Activity LED for external ports Smart Array P800 controller board runtime LEDs The Smart Array P800 Controller board has 10 run...

Page 15: ...Activity LED for SAS port 4I CR508 Green 5 Activity LED for SAS port 3I CR507 Green 6 Command Outstanding LED Indicates that the controller is working on a command from the host driver CR506 Green 7 Controller Heartbeat LED This LED flashes every two seconds to indicate controller health CR505 Green 8 Gas Pedal LED This LED with item 10 CR503 indicates the amount of controller CPU activity See Tab...

Page 16: ...Mini SAS 4i connector 1 Ports 1E 2E 3E and 4E Mini SAS 4x connectors Capacitor pack for cache module 4 2 Cache module Also known as array accelerator Port 6I Mini SAS 4i connector Smart Array P812 controller board runtime LEDs The Smart Array P812 Controller board has 10 runtime LEDs that indicate activities and error conditions 16 Controller overview ...

Page 17: ...S port 1 CR72 Green 5 Activity LED for SAS port 2 CR71 Green 6 Disk Failure LED A physical disk connected to the controller has failed See the Fault LED on each disk to determine the failed disk CR78 Amber 7 Diagnostics Error LED One of the server diagnostics has detected an error CR77 Amber 8 MIPS Ready LED The embedded SAS expander is active CR82 Green 9 Table 10 Determining the Smart Array P812...

Page 18: ...loss One flash every two seconds Data preservation time is extended when 3 3 V auxiliary power is available as indicated by LED 2 In the absence of auxiliary power battery power preserves the data A fully charged battery can normally preserve data for two days The battery lifetime also depends on the cache module size For more information see the controller QuickSpecs on the HP website at http www...

Page 19: ...ists Flashing 2 Hz Alternating with green LED Flashing 2 Hz Alternating with amber LED The charging process has timed out The capacitor pack is not connected The flash code image failed to load On On The flash code is corrupt Off Off Fault management features The Smart Array Controllers and the HP UX operating system support the following fault management and data reliability features that minimiz...

Page 20: ... to restore performance and full fault tolerance for the logical drive it belongs to The risk of continuing operations without replacing a failed physical disk varies depending on the RAID level that has been configured RAID 1 RAID 1 is configured with a single mirrored pair of disks If one physical disk fails the remaining disk in the mirrored pair can still provide all data RAID 1 0 A RAID 1 0 c...

Page 21: ...ata is rebuilt on the online spare disks the logical drive fails and data is lost For a detailed description of the RAID levels supported by Smart Array Controllers see the RAID Technology Overview at http www hp com go hpux iocards docs Click the link for your HP UX version The document is listed alphabetically in the User guide section For detailed information on the probability of a logical dri...

Page 22: ...Table 15 Supported RAID modes by controller continued RAID 60 RAID ADG RAID 50 RAID 5 RAID 1 0 RAID 1 RAID 0 Controller Yes Yes Yes Yes Yes P800 Yes Yes Yes Yes Yes Yes Yes P812 22 Controller overview ...

Page 23: ...irmware if necessary See Verifying and updating controller firmware offline page 26 7 If you are installing a Smart Array P41 1 controller determine whether the controller is in HBA mode or RAID mode if necessary change the mode to suit your configuration For more information see the AM31 1A Smart Array P41 1 256 Controller for Integrity Servers Installation Guide This document is available on the...

Page 24: ...the usr sbin sbin and usr bin directories are in your PATH statement by logging in as root and entering the following command echo PATH Downloading software To locate and download the drivers utilities and manpages for the Smart Array series controllers 1 Go to http www software hp com 2 Search for RAID 01 3 Click Receive for Free 4 Sign in with your HP Passport account credentials or create a new...

Page 25: ...A OL cannot be used with server blades Smart Array P700m Smart Array P71 1m Supported Supported Not supported Smart Array P800 Not supported Not supported Not supported Smart Array P812 During a Smart Array Controller online replacement operation the system performs a Critical Resource Analysis CRA which checks all channels on the target controller for critical resources that become temporarily un...

Page 26: ...k the link for your HP UX version Support Matrix documents are listed alphabetically in the General reference section For information on connecting an external enclosure see the documentation for the enclosure For information on supported cable kits for external devices see Appendix E page 117 Verifying and updating controller firmware offline To verify that the correct adapter firmware version is...

Page 27: ...re versions use saupdate LIST For example fs0 EFI TOOLS saupdate list Smart Array Offline Firmware Update Utility Version 2 06 10 03 C Copyright 2006 Hewlett Packard Development Company L P Seg Bus Dev Func Description Version 0 52 0 0 HP Smart Array P400 2 08 In this example the system contains one Smart Array P400 Controller at segment 0 bus 52 device 0 function 0 running firmware version 2 08 3...

Page 28: ...ffline Diagnostic CD containing saupdate efi in the CD drive before booting the system c Boot the system to the EFI Shell prompt d Locate the cdrom entry in the list of mapped devices and change to the device by entering its associated fs number for example fs0 under EFI Shell prompt e If the EFI utility and firmware image files are not located in the root directory move to the directory where the...

Page 29: ...now this may take several minutes Resetting and reinitializing controller Retrieving firmware version this may take several minutes Current controller firmware version is 2 08 Verifying the firmware update To verify that the firmware update was successful 1 After updating the firmware cycle the power on the system and on any external JBODS connected to the system 2 To confirm that the correct firm...

Page 30: ...enclosure firmware To verify the firmware image on the enclosure use saupdate from the EFI Shell To verify the enclosure firmware with saupdate 1 Prepare to run saupdate from the Offline Diagnostics CD or the EFI partition To run saupdate from the Offline Diagnostic CD a Place the Offline Diagnostic CD containing saupdate efi in the CD drive before booting the system b Boot the system to the EFI S...

Page 31: ...e To locate and download firmware for HP StorageWorks enclosures 1 Go to the HP Software Driver Downloads website at http welcome hp com country us en support html pageDisplay drivers 2 Search for the name of your enclosure for example MSA60 or MSA70 3 In the search results click Cross operating system BIOS Firmware Diagnostics etc 4 To download the firmware package click Download Updating the enc...

Page 32: ...ORTANT The firmware image file and saupdate efi must be located in the same directory If they are not copy them to the EFI partition and run the saupdate from there 2 To update the firmware on the controller use saupdate UPDATE To update a single enclosure use this command saupdate UPDATE seg bus dev func encl_index firmware_file For example to update the enclosure at segment 0 bus 8 device 0 func...

Page 33: ... similar to the following examples For HP UX 1 1i v3 RAID 01 B 11 31 0709 01 RAID SA Supptd HW A7143A A9890A A9891A For HP UX 1 1i v2 RAID 01 B 11 23 0706 RAID SA Supptd HW A7143A A9890A A9891A The version string that appears indicates the version of the RAID 01 bundle installed on your server 2 Enter the ioscan kfnd ciss command ioscan kfnd ciss If the Smart Array Controller software is installed...

Page 34: ...er Determining the Connector Enclosure Bay and firmware version for physical disks You can determine the Connector Enclosure Bay and current firmware version for each physical disk attached to the Smart Array Controller by using the sautil device_file command extensive output or the sautil device_file s command shortened output The sautil device_file s command displays an abbreviated list of infor...

Page 35: ...00c5000030b9c9 DISK 36 4 GB UNASSIGNED internal 2I 1 13 0x500000e01118a7a2 DISK 36 4 GB UNASSIGNED SAS SATA ENCLOSURE SUMMARY Location Ct Enc Expander_count Bay_count SEP_count internal 1I 1 0 4 1 internal 2I 1 0 4 1 SAS SATA DEVICE 1I 1 12 0x500000e01117c732 DISK Connector Location internal Connector 1I Enclosure 1 Bay 12 WWID 0x500000e01117c732 Device Type DISK Disk Capacity 36 4 GB Device Statu...

Page 36: ...Firmware Version HPD3 SAS SATA DEVICE 2I 1 16 0x500000e011213482 DISK Connector Location internal Connector 2I Enclosure 1 Bay 16 WWID 0x500000e011213482 Device Type DISK Disk Capacity 36 4 GB Device Status OK Device Vendor ID HP Device Product ID DG036A8B5B Device Serial Number B2G2P55003940521 Device Firmware Version HPD4 SAS SATA DEVICE 2I 1 15 0x5000c500002084c9 DISK Connector Location interna...

Page 37: ...ntroller you can set up any number of its logical drives as boot devices For example if you have two controllers in a system and each controller has three logical drives configured on it you can set up two logical drives on one controller as boot devices and all three logical drives on the other controller as boot devices giving you a total of five boot devices Before a Smart Array Controller can ...

Page 38: ...ity servers ORCA is a menu driven system for creating editing and deleting logical drives To access ORCA follow the procedures in the installation guide for your controller Installation guides are available on the HP website at http www hp com go hpux iocards docs Click the link for your HP UX version Installation guides are listed alphabetically in the Setup and install general section IMPORTANT ...

Page 39: ...e shared among several arrays To configure shared spare drives use the saconfig command See Adding a spare disk drive page 50 3 To accept the settings press Enter 4 To confirm the settings and save the configuration press F8 After several seconds the Configuration Saved screen appears 5 To continue press Enter 6 Create another logical drive by repeating steps 1 5 if necessary For more information ...

Page 40: ... disk failure beyond the fault tolerance protection offered by the RAID configuration Spare drive capacity is held in reserve and is not available except when needed to back up a failed physical drive 3 Select a stripe size In most cases the default stripe size provides the best performance Use a smaller size only if you know your data is always written in smaller blocks For RAID 0 1 and 1 0 the d...

Page 41: ...rives in an array Perform RAID level migration Perform stripe size migration Extend the capacity of a logical drive Expand the capacity of an array Change the expand priority Change the rebuild priority To run the saconfig command you must log in as a superuser To display the saconfig help screen with command options and syntax enter saconfig without any options Example 1 and Example 2 page 44 sho...

Page 42: ...e 8 16 32 64 128 or 256 default is 128 For RAID 5 and ADG stripe size can be 8 16 32 or 64 default is 16 physical_drive_id is channel_id target_id of the SCSI physical disk e g 4 12 OR connector enclosure bay of the SAS SATA physical disk e g 2I 1 10 OR wwid of the SAS SATA physical disk e g 0x500000e010f16432 To delete logical drive saconfig dev cissX D Logical drive To clear configuration saconf...

Page 43: ... GB saconfig dev cissX E Logical drive c capacity GB To expand the specified logical drive and others in an array by physical drive s saconfig dev cissX E Logical drive p physical_drive_id p physical_drive_id To perform RAID level with Stripe size KB migration on the specified logical drive The stripe size is in KB saconfig dev cissX M Logical drive R RAID level S Stripe size KB To perform Stripe ...

Page 44: ...cal_drive_id is channel_id target_id of the SCSI physical disk e g 4 12 OR connector enclosure bay of the SAS SATA physical disk e g 2I 1 10 OR wwid of the SAS SATA physical disk e g 0x500000e010f16432 To delete logical drive saconfig dev cissX D Logical drive To clear configuration saconfig dev cissX D all To add spare drive to existing logical drive saconfig dev cissX A Logical drive s physical_...

Page 45: ...cted to a Smart Array Controller you must know the device file name for the Smart Array Controller See Determining the Smart Array controller device file page 34 Displaying the Smart Array controller configuration To display the physical disks connected to a Smart Array Controller and configured logical drives and spare drives use the saconfig dev cissX command Replace X with the device file numbe...

Page 46: ...cal drive id p physical drive id s physical drive id c capacity GB Where R RAID level The RAID level to be configured on the logical drive For information on the RAID levels supported by each Smart Array controller see Supported RAID modes by controller page 21 S Stripe size KB The stripe size KB to be configured on the logical drive For RAID 0 1 and 1 0 the options are 8 KB 16 KB 32 KB 64 KB 128 ...

Page 47: ...gical drive 0 created Rebuild Priority is set to High Use the saconfig dev cissX command to confirm the configuration saconfig dev ciss5 SmartArray RAID Controller dev ciss5 Auto Fail Missing Disks at Boot enabled Cache Configuration Status cache enabled Cache Ratio 25 Read 75 Write PHYSICAL DRIVES Location Ct Enc Bay WWID Size Status Internal 1I 1 12 0x500000e01117c732 36 4 GB UNASSIGNED Internal...

Page 48: ...NG All data on the specified logical drive and the physical disks included in that logical drive is lost when you enter the saconfig dev cissX D Logical drive command Deleting logical drives when multiple logical drives share physical disks To avoid fragmentation when multiple logical drives share one or more physical disks you must delete the drives in reverse order of the logical drive number fr...

Page 49: ...cipating Spare Drive s None LOGICAL DRIVE 2 Device File c4t0d2 RAID Level 0 Size 20479 MB Stripe Size 128 KB Status OK Participating Physical Drive s Ct Enc Bay WWID 1E 1 9 0x500000e015141982 Participating Spare Drive s None 2 1 List of physical disks participating in the logical drive Logical drive number In Example 3 logical drives 0 1 and 2 are located on the physical disk 0x500000e015141982 To...

Page 50: ...ommand To clear all logical drives that are configured from the physical disks attached to a Smart Array Controller use the saconfig dev cissX D all command For example saconfig dev ciss7 D all Are you sure you want to clear configuration on SmartArray RAID controller dev ciss7 y n y Logical drive 0 deleted Logical drive 1 deleted Configuration cleared Adding a spare disk drive To add a spare phys...

Page 51: ...gical drives in an array To create multiple logical drives in an array use the command saconfig dev cissX R RAID level p physical drive id p physical drive id c capacity in GB For example saconfig dev ciss5 R ADG p 1I 1 9 p 1I 1 10 p 1I 1 11 p 1I 1 12 c 10 Logical drive 0 created Rebuild priority is set to High NOTE If you do not specify a capacity using c capacity in GB the maximum capacity or th...

Page 52: ...y increases the amount of free space in the array To expand the capacity of an array by adding physical disks use the command saconfig dev cissX E Logical drive p physical drive id p physical drive id For example saconfig dev ciss5 E 0 p 2I 1 16 p 2I 1 14 Logical drive 0 expanded from 4 to 6 physical drives NOTE You can specify any logical drive in an array with E Logical drive to expand the array...

Page 53: ...te a logical drive using ORCA 1 From the Main Menu select Create Logical Drive A screen similar to the following appears 2 Select the physical disks to be included in the logical drive in the Available Physical Drives section 3 To select the Raid Configurations section and select the RAID type for the logical drive press Tab NOTE You cannot use ORCA to configure a single spare drive to be shared a...

Page 54: ...ess Enter Deleting a logical drive WARNING Back up all necessary data before deleting the logical drive When you delete a logical drive data on the drive is not preserved To delete a logical drive using ORCA 1 From the Main Menu select Delete Logical Drive A screen similar to the following appears 2 Select a logical drive to be deleted 54 Configuration ...

Page 55: ...ements are supported for physical disks and arrays To a different ID position on the same controller To a Smart Array controller of the same type on the same server or on a different server for example from one P400 to another To a Smart Array controller of a different type on the same server or on a different server for example from a P400 to a P800 IMPORTANT When you move an array the disks must...

Page 56: ...ice file command See Displaying the Smart Array controller configuration page 45 5 Confirm that the latest adapter firmware is installed To determine the recommended adapter firmware see the HP Smart Array RAID Controllers Support Matrix on the HP website at http www hp com go hpux iocards docs To update the adapter firmware online follow the steps in Updating the Smart Array controller firmware o...

Page 57: ...ot disk and you want to boot the destination server from that disk shut down and power off the destination system If you are not moving a boot disk do not shut down the destination system 6 Move the disks 7 Power on the source system 8 Power on the destination system and set the boot options if necessary 9 If you moved a boot device to the destination system configure the system to enable booting ...

Page 58: ...autil device_file reset_ctlr command to make the new disks or array visible on the server See The sautil command page 60 12 To verify the new disk configuration use ORCA or sautil See Using ORCA page 53 and The sautil device_file command page 63 58 Configuration ...

Page 59: ...ems that are running without an operating system or systems that cannot be tested using online tools The offline environment is also useful for testing a system before it boots ODE provides a user friendly interface for diagnostics and utilities developed to run in this environment ODE has a distributed architecture consisting of several modules Each module has a specific function and uses well de...

Page 60: ...ery feature is disabled and an error occurs on a PCI bus a Machine Check Abort MCA or a High Priority Machine Check HPMC occurs the system crashes For more information about PCI Error Recovery see the documents in the PCI Error Recovery section at http www hp com go hpux iocards docs The sautil command This section focuses on sautil command options that are used for online troubleshooting of the H...

Page 61: ...are image file to download physical_drive_id is channel_id target_id of the SCSI physical disk e g 4 12 OR connector enclosure bay of the SAS SATA physical disk e g 2I 1 10 OR wwid of the SAS SATA physical disk e g 0x500000e010f16432 encl_physical_drive_id is the physical_drive_id of an enclosure raw optional displays the raw data buffer rate is auto async sync ultra ultra 2 or ultra 160 for contr...

Page 62: ...ical drives that are in READY FOR RECOVERY OPERATION state Logical drives in this state transition to RECOVERING Heavy I O to the controller can delay this transition There is no adverse impact if you use this option when no logical drives are in READY FOR RECOVERY OPERATION state The following sautil troubleshooting command options included in the sautil help screen and detailed in the sautil man...

Page 63: ...file command output The s option provides a shorter and less detailed output For an example of the sautil device_file s command output see Confirming and updating physical disk firmware page 33 NOTE For troubleshooting use the sautil device_file command Following is an example of the output of the sautil device_file command for a Smart Array P800 controller The sautil command 63 ...

Page 64: ... of Logical Drives 10 of Physical Disks Configured 54 of Physical Disks Detected 58 Logical Drive Rebuild Priority 118 high Array Capacity Expansion Priority 64 medium Auto Fail Missing Disks at Boot enabled SCSI Transfer Detection Mode Auto Detect ARRAY ACCELERATOR CACHE INFORMATION Array Accelerator Board Present yes Cache Configuration Status cache enabled Cache Ratio 50 Read 50 Write Total Cac...

Page 65: ... SEP_count internal 4I 1 0 4 1 internal 3I 1 0 4 1 external 2E 1 1 25 1 external 1E 1 1 25 1 LOGICAL DRIVE 0 Logical Drive Device File c3t0d0 Fault Tolerance Mode RAID 0 no fault tolerance Logical Drive Size 751610 MB Logical Drive Status OK of Participating Physical Disks 50 Participating Physical Disk s Ct Enc Bay WWID 2E 1 1 0x5000c50005962f7d 2E 1 2 0x5000c50005962a09 2E 1 3 0x5000c50005961095...

Page 66: ...atus OK of Participating Physical Disks 1 Participating Physical Disk s Ct Enc Bay WWID 3I 1 4 0x5000c5000148e709 Participating Spare Disk s Ct Enc Bay WWID none Stripe Size 128 KB Logical Drive Cache Status cache enabled Configuration Signature 0xA0008383 Media Exchange Detected no LOGICAL DRIVE 4 Logical Drive Device File c3t1d1 Fault Tolerance Mode RAID 0 no fault tolerance Logical Drive Size 2...

Page 67: ...Disk write cache disabled in default page yes SAS SATA DEVICE 3I 1 3 0x5000c500014b62a1 DISK Connector Location internal Connector 3I Enclosure 1 Bay 3 WWID 0x5000c500014b62a1 Device Type DISK Disk Capacity 73 4 GB Device Status OK Device Vendor ID HP Device Product ID DH072ABAA6 Device Serial Number 3PD0AL1Z000097420160 Device Firmware Version HPD2 Reserved Area cfg status info 33554 4 KB 33 6 MB...

Page 68: ...che enabled at spin up no Supports redundant controller operation no Disk write cache enabled in current page no Disk write cache disabled in default page yes SAS SATA DEVICE 3I 1 1 0x5000c500014b6145 DISK Connector Location internal Connector 3I Enclosure 1 Bay 1 WWID 0x5000c500014b6145 Device Type DISK Disk Capacity 73 4 GB Device Status OK Device Vendor ID HP Device Product ID DH072ABAA6 Device...

Page 69: ...enabled yes S M A R T errors in powerup M P data no Attached to external connector yes Configured in a logical drive yes Configured as a spare disk no Disk write cache enabled at spin up no Supports redundant controller operation no Disk write cache enabled in current page no Disk write cache disabled in default page yes SAS SATA DEVICE 2E 1 2 0x5000c50005962a09 DISK Connector Location external Co...

Page 70: ...ailure Reason none Physical Disk Flags Disk present and operational yes Non disk device detected no S M A R T supported yes S M A R T errors in factory M P data no S M A R T enabled yes S M A R T errors in powerup M P data no Attached to external connector yes Configured in a logical drive yes Configured as a spare disk no Disk write cache enabled at spin up no Supports redundant controller operat...

Page 71: ...009748WPXF Device Firmware Version HPD2 Reserved Area cfg status info 33554 4 KB 33 6 MB Block Size bytes sector 512 bytes M P Data Stamped yes Last Failure Reason none Physical Disk Flags Disk present and operational yes Non disk device detected no S M A R T supported yes S M A R T errors in factory M P data no S M A R T enabled yes S M A R T errors in powerup M P data no Attached to external con...

Page 72: ...5000c500052d6989 Device Type DISK Disk Capacity 73 4 GB Device Status OK Device Vendor ID HP Device Product ID DH072ABAA6 Device Serial Number 3PD0J53F00009748XRKF Device Firmware Version HPD2 Reserved Area cfg status info 33554 4 KB 33 6 MB Block Size bytes sector 512 bytes M P Data Stamped yes Last Failure Reason INIT RESET RECOVERY ABORTED Physical Disk Flags Disk present and operational yes No...

Page 73: ...s SAS SATA DEVICE 1E 1 4 0x5000c500052d5175 DISK Connector Location external Connector 1E Enclosure 1 Bay 4 WWID 0x5000c500052d5175 Device Type DISK Disk Capacity 73 4 GB Device Status OK Device Vendor ID HP Device Product ID DH072ABAA6 Device Serial Number 3PD0H0E700009748WS5P Device Firmware Version HPD2 Reserved Area cfg status info 33554 4 KB 33 6 MB Block Size bytes sector 512 bytes M P Data ...

Page 74: ...o Disk write cache enabled in current page no Disk write cache disabled in default page no SAS SATA DEVICE 2E 1 0 0x5001438000328825 SES Connector Location external Connector 2E Enclosure 1 Bay 0 WWID 0x5001438000328825 Device Type SES Disk Capacity 0 0 GB Device Status FAILED Device Vendor ID HP Device Product ID MSA70 Device Serial Number SGA72800DF Device Firmware Version 1 50 Reserved Area cfg...

Page 75: ... in a logical drive no Configured as a spare disk no Disk write cache enabled at spin up no Supports redundant controller operation no Disk write cache enabled in current page no Disk write cache disabled in default page no End of SAUTIL Output Logical drive state definitions The status column of the Logical Drive Summary in the sautil device_file command output example indicates the logical drive...

Page 76: ...n The RAID level is being changed RAID level migration NOT YET AVAILABLE A capacity expansion operation is in progress or is queued up that will make room on the disks for this new logical drive Until room is made on the physical disks the newly configured logical drive cannot be read or written QUEUED FOR EXPANSION The logical drive is waiting to undergo data reorganization see EXPANDING Possible...

Page 77: ...from backup media In the following example logical drive 0 accepts a media exchange sautil dev ciss5 accept_media_xchg 0 S A U T I L S u p p o r t U t i l i t y for the HP SmartArray RAID Controller Family version A 02 11 C Copyright 2003 2006 Hewlett Packard Development Company L P DRIVER INFORMATION Driver State READY CONTROLLER INFORMATION Controller Product Number P400 Controller Product Name ...

Page 78: ... log in as a superuser Before running the sautil command to confirm or update the controller firmware you must know the device file name for the Smart Array Controller Determining the Smart Array series controller device file You can determine the device file for the Smart Array Controller from the output of the ioscan kfnd ciss command An example of the ioscan output listing the Smart Array Contr...

Page 79: ...e sautil command syntax for updating Smart Array Controller firmware is sautil device_file download_ctlr_fw fw_image where device_file The controller device file Determine the device file for the Smart Array Controller by running the ioscan kfnd ciss command as described in Determining the Smart Array series controller device file page 78 fw_image The file path for the firmware version you want to...

Page 80: ...ad Done Sending the new firmware to the controller Done Activating the new firmware Done Resetting the controller Done Retrieving the firmware revision string from ROM Done Current Revision in ROM 2 08 FIRMWARE DOWNLOAD WAS SUCCESSFUL End of SAUTIL Output Updating physical disk firmware online The sautil physical disk firmware update command syntax is sautil device_file download_dev_fw fw_image ph...

Page 81: ...ller Product Number P400 Controller Product Name HP PCIe SmartArray P400 Hardware Path 0 6 0 0 0 0 1 0 0 0 Device File dev ciss5 FIRMWARE DOWNLOAD You are downloading the firmware image DG036A8B53 HPD4 frm to the physical disk 0x5000c5000030b0c5 channel ID connected to the controller dev ciss5 Verifying that the specified target disk is valid Done Retrieving firmware image file from disk Done Vali...

Page 82: ... 0 0 0 ciss CLAIMED INTERFACE PCIe SAS SmartArray P800 RAID Controller dev ciss3 In this example dev ciss3 is the device file for the Smart Array controller Determining the physical drive ID and firmware version for SAS storage enclosures To determine the physical drive ID of the SAS storage enclosures SES devices use the sautil device_file command extensive output or the sautil device_file s comm...

Page 83: ... GB OK internal 3I 1 1 0x5000c500014b6145 DISK 73 4 GB OK external 2E 1 1 0x5000c50005962f7d DISK 73 4 GB OK external 2E 1 2 0x5000c50005962a09 DISK 73 4 GB OK external 2E 1 3 0x5000c50005961095 DISK 73 4 GB OK external 2E 1 4 0x5000c500052d0589 DISK 73 4 GB OK external 2E 1 5 0x5000c500052d7595 DISK 73 4 GB OK external 2E 1 6 0x5000c5000596267d DISK 73 4 GB OK external 2E 1 7 0x5000c500052d32ed D...

Page 84: ... 4 GB OK external 1E 1 20 0x5000c500014521b9 DISK 73 4 GB OK external 1E 1 21 0x5000c50001494ded DISK 73 4 GB OK external 1E 1 22 0x500000e01226e532 DISK 73 4 GB OK external 1E 1 23 0x5000c5000144b329 DISK 73 4 GB OK external 1E 1 24 0x5000c50001452b7d DISK 73 4 GB OK external 1E 1 25 0x5000c500014526ed DISK 73 4 GB OK external 1E 1 0 0x50001c1071540025 SES 0 0 GB FAILED external 2E 1 0 0x50014380...

Page 85: ...irmware Version HPD0 SAS SATA DEVICE 3I 1 4 0x5000c5000148e709 DISK Connector Location internal Connector 3I Enclosure 1 Bay 4 WWID 0x5000c5000148e709 Device Type DISK Disk Capacity 73 4 GB Device Status OK Device Vendor ID HP Device Product ID DH072ABAA6 Device Serial Number 3PD0AX1R00009742F8JK Device Firmware Version HPD2 SAS SATA DEVICE 3I 1 3 0x5000c500014b62a1 DISK Connector Location interna...

Page 86: ...000c50005962f7d Device Type DISK Disk Capacity 73 4 GB Device Status OK Device Vendor ID HP Device Product ID DH072ABAA6 Device Serial Number 3PD0LTCN000098047WWK Device Firmware Version HPD2 SAS SATA DEVICE 2E 1 2 0x5000c50005962a09 DISK Connector Location external Connector 2E Enclosure 1 Bay 2 WWID 0x5000c50005962a09 Device Type DISK Disk Capacity 73 4 GB Device Status OK Device Vendor ID HP De...

Page 87: ...are Version HPD2 SAS SATA DEVICE 2E 1 6 0x5000c5000596267d DISK Connector Location external Connector 2E Enclosure 1 Bay 6 WWID 0x5000c5000596267d Device Type DISK Disk Capacity 73 4 GB Device Status OK Device Vendor ID HP Device Product ID DH072ABAA6 Device Serial Number 3PD0LTG6000098047SR2 Device Firmware Version HPD2 SAS SATA DEVICE 2E 1 7 0x5000c500052d32ed DISK Connector Location external Co...

Page 88: ...00c500052d8e91 Device Type DISK Disk Capacity 73 4 GB Device Status OK Device Vendor ID HP Device Product ID DH072ABAA6 Device Serial Number 3PD0J1KL000097488C2V Device Firmware Version HPD2 SAS SATA DEVICE 2E 1 11 0x5000c500052d5215 DISK Connector Location external Connector 2E Enclosure 1 Bay 11 WWID 0x5000c500052d5215 Device Type DISK Disk Capacity 73 4 GB Device Status OK Device Vendor ID HP D...

Page 89: ...re Version HPD2 SAS SATA DEVICE 2E 1 15 0x5000c500059621b1 DISK Connector Location external Connector 2E Enclosure 1 Bay 15 WWID 0x5000c500059621b1 Device Type DISK Disk Capacity 73 4 GB Device Status OK Device Vendor ID HP Device Product ID DH072ABAA6 Device Serial Number 3PD0L9D2000098047SEF Device Firmware Version HPD2 SAS SATA DEVICE 2E 1 16 0x5000c5000594ad55 DISK Connector Location external ...

Page 90: ...000c50001453f31 Device Type DISK Disk Capacity 73 4 GB Device Status OK Device Vendor ID HP Device Product ID DH072ABAA6 Device Serial Number 3PD07LEY000097402WSR Device Firmware Version HPD2 SAS SATA DEVICE 2E 1 20 0x5000c500014975a9 DISK Connector Location external Connector 2E Enclosure 1 Bay 20 WWID 0x5000c500014975a9 Device Type DISK Disk Capacity 73 4 GB Device Status OK Device Vendor ID HP ...

Page 91: ...are Version HPD2 SAS SATA DEVICE 2E 1 24 0x5000c5000149c6b1 DISK Connector Location external Connector 2E Enclosure 1 Bay 24 WWID 0x5000c5000149c6b1 Device Type DISK Disk Capacity 73 4 GB Device Status OK Device Vendor ID HP Device Product ID DH072ABAA6 Device Serial Number 3PD0BAMX00009742FABC Device Firmware Version HPD2 SAS SATA DEVICE 2E 1 25 0x5000c5000147ab29 DISK Connector Location external...

Page 92: ...000c500052d6335 Device Type DISK Disk Capacity 73 4 GB Device Status OK Device Vendor ID HP Device Product ID DH072ABAA6 Device Serial Number 3PD0J4A000009748XQZG Device Firmware Version HPD2 SAS SATA DEVICE 1E 1 4 0x5000c500052d5175 DISK Connector Location external Connector 1E Enclosure 1 Bay 4 WWID 0x5000c500052d5175 Device Type DISK Disk Capacity 73 4 GB Device Status OK Device Vendor ID HP De...

Page 93: ...re Version HPD2 SAS SATA DEVICE 1E 1 8 0x5000c500052d8225 DISK Connector Location external Connector 1E Enclosure 1 Bay 8 WWID 0x5000c500052d8225 Device Type DISK Disk Capacity 73 4 GB Device Status OK Device Vendor ID HP Device Product ID DH072ABAA6 Device Serial Number 3PD0J2Q600009748WTEC Device Firmware Version HPD2 SAS SATA DEVICE 1E 1 9 0x5000c500052d542d DISK Connector Location external Con...

Page 94: ...000c50005961bf1 Device Type DISK Disk Capacity 73 4 GB Device Status OK Device Vendor ID HP Device Product ID DH072ABAA6 Device Serial Number 3PD0LSQF000098047S79 Device Firmware Version HPD2 SAS SATA DEVICE 1E 1 13 0x5000c5000594e761 DISK Connector Location external Connector 1E Enclosure 1 Bay 13 WWID 0x5000c5000594e761 Device Type DISK Disk Capacity 73 4 GB Device Status OK Device Vendor ID HP ...

Page 95: ...re Version HPD2 SAS SATA DEVICE 1E 1 17 0x5000c500059622ad DISK Connector Location external Connector 1E Enclosure 1 Bay 17 WWID 0x5000c500059622ad Device Type DISK Disk Capacity 73 4 GB Device Status OK Device Vendor ID HP Device Product ID DH072ABAA6 Device Serial Number 3PD0LSWP000098047TKR Device Firmware Version HPD2 SAS SATA DEVICE 1E 1 18 0x5000c50005962d61 DISK Connector Location external ...

Page 96: ...x5000c50001494ded Device Type DISK Disk Capacity 73 4 GB Device Status OK Device Vendor ID HP Device Product ID DH072ABAA6 Device Serial Number 3PD0B2JE00009742F15X Device Firmware Version HPD2 SAS SATA DEVICE 1E 1 22 0x500000e01226e532 DISK Connector Location external Connector 1E Enclosure 1 Bay 22 WWID 0x500000e01226e532 Device Type DISK Disk Capacity 73 4 GB Device Status OK Device Vendor ID H...

Page 97: ...741HYC7 Device Firmware Version HPD2 SAS SATA DEVICE 1E 1 0 0x50001c1071540025 SES Connector Location external Connector 1E Enclosure 1 Bay 0 WWID 0x50001c1071540025 Device Type SES Disk Capacity 0 0 GB Device Status FAILED Device Vendor ID HP Device Product ID MSA70 Device Serial Number SGA728007J Device Firmware Version 1 42 SAS SATA DEVICE 2E 1 0 0x5001438000328825 SES Connector Location extern...

Page 98: ...osure firmware update command syntax is sautil device_file download_encl_fw fw_image encl_physical_drive_id Where device_file The controller device file See Determining the Smart Array controller device file page 82 fw_image The file path of the firmware version you want to install on the enclosure For access to the enclosure firmware image update file contact your HP representative encl_physical_...

Page 99: ...Current Revision in ROM 1 50 WARNING The firmware download process may take 10 minutes to complete All I O to this controller will be temporarily halted during this time Are you sure you want to continue y n y Preparing for download Done Sending the new firmware to the enclosure Done Flashing the enclosure with the new firmware Done Resetting the controller Done Retrieving the firmware revision st...

Page 100: ...xample PATH User input Commands and other text that you type WARNING A warning calls attention to important information that if not understood or followed will result in personal injury or nonrecoverable system problems CAUTION A caution calls attention to important information that if not understood or followed will result in data loss data corruption or damage to hardware or software IMPORTANT T...

Page 101: ...Include the document title manufacturing part number and any comment error found or suggestion for improvement you have concerning this document HP encourages your comments 101 ...

Page 102: ...k failure RAID 50 Tolerates one physical disk failure per RAID 5 parity group RAID ADG Tolerates simultaneous failure of two physical disks RAID 60 Tolerates simultaneous failure of two physical disks per RAID ADG parity group If more physical disks fail than the RAID level supports fault tolerance is compromised and the logical drive fails All requests from the operating system are rejected with ...

Page 103: ...e Flashing irregularly Amber flashing once per second The disk is active and is operating normally Flashing irregularly Off A critical fault condition has been identified for this disk and the controller has placed it offline Replace the disk as soon as possible Off Steady amber A predictive failure alert has been received for this disk Replace the disk as soon as possible Off Amber flashing once ...

Page 104: ...000e01115c352 Stripe Size 128 KB Logical Drive Cache Status cache enabled Configuration Signature 0xA00148CC Media Exchange Detected no For more information about the sautil command see The sautil command page 60 Compromised fault tolerance Compromised fault tolerance commonly occurs when more physical disks have failed than the fault tolerance method can support When fault tolerance fails the log...

Page 105: ...ant configuration while the system power is off a POST message appears when the system is powered on This message prompts you to press F1 to start automatic data recovery If you do not enable automatic data recovery the logical volume remains in a ready to recover condition and the same POST message appears each time the system is restarted Factors to consider before replacing physical disks Befor...

Page 106: ...ame parity group Do not replace more than two disks at a time from the same parity group Replacement disks must have a capacity no less than that of the smallest disk in the array Disks with insufficient capacity are failed immediately by the controller before data recovery begins Automatic data recovery rebuild When a physical disk is replaced the controller gathers fault tolerance data from the ...

Page 107: ...ks in the array has experienced an uncorrectable read error None of the disks in the array has an illuminated amber Fault LED 1 The replacement disk has failed The replacement disk has an illuminated amber Fault LED 2 The disk with the illuminated Fault LED has now failed One of the other disks in the array has an illuminated amber Fault LED 3 Each of these situations requires a different remedial...

Page 108: ...ck up unsaved data 2 Remove the disk that was to be replaced and reinstall the replacement disk The rebuild process restarts 3 When the rebuild process finishes replace the newly failed disk If the newly failed disk has not become operational 1 Remove the disk that was to be replaced and reinsert the replacement physical disk 2 Replace the newly failed disk 3 Restore data from backup 108 Physical ...

Page 109: ...e to fail if the two disks are mirrored to each other The risk of this occurring decreases as the number of mirrored pairs in the array increases A RAID 5 logical drive with no online spare fails if two physical disks fail A RAID 50 logical drive with no online spare fails if two physical disks fail in the same RAID 5 parity group A RAID ADG logical drive with no online spare fails when three phys...

Page 110: ...Figure 17 Relative probability of logical drive failure 1 10 Logical drive failure probability ...

Page 111: ... Controller Memory Error s Occurred Warning Corrected Memory Error s were detected during Controller memory self test 1715 Note the physical disk that has been identified as failing Informational Slot z Drive Array S M A R T Hard Drive Detects Imminent Failure Port 1I Box 1 Bay 2 1720 Note the physical disks that have been identified as failing Informational Slot z Drive Array Drive Parameter Trac...

Page 112: ...ses unrecoverable data loss Be sure you Expansion Progress Data Could Not Be Read From Array Accelerator have a valid current backup of the affected logical drives before selecting this option Expansion Aborted due to Unrecoverable Drive Errors Expansion Aborted due to Array Accelerator Errors Upgrade the firmware of the affected drive Informational Slot z Drive Array Critical Drive Firmware Probl...

Page 113: ...correct the error condition Informational or Critical Slot z Drive Array not Configured followed by one of the following 1785 No drives detected Array Accelerator Memory Size Increased Run System Configuration Utility SAS Cable s Attached to Wrong SAS Port Connector s Turn system power OFF and swap SAS port connectors to prevent data loss Drive positions cannot be changed during Capacity Expansion...

Page 114: ...ning Pressing F2 erases all data in the array Be sure you have a valid The following SCSI drive s were incorrectly replaced current backup of the affected logical drives before selecting this option Port 2I Box 1 Bay 3 Press F1 to continue The drive array remains disabled Informational Slot z Drive Array Physical Drive s Not Responding Check cables or replace the following physical drive s 1789 Pr...

Page 115: ...lost 1797 Array Accelerator is disabled The cache module has failed Contact your HP service representative for assistance Critical Slot z Drive Array Array Accelerator Self Test Error Occurred Array Accelerator is disabled 1798 Press F1 to continue with logical drives disabled See Chapter 4 page 59 Critical Slot z Drive Array Drive s Disabled due to Array Accelerator Data Loss 1799 Press F2 to acc...

Page 116: ...tations Place parts on a grounded surface before removing them from containers Avoid touching pins leads or circuitry Always be properly grounded when handling a static sensitive component or assembly Grounding Use the following grounding methods when handling or installing electrostatic sensitive parts A wrist strap connected by a ground cord to a grounded workstation or computer chassis Wrist st...

Page 117: ...B21 Multilane 48 cm 19 in cable Table 22 External SAS cable kits Part Number Length Type of Cable 389665 B21 1 0 m 3 3 ft External SAS 389668 B21 2 0 m 6 6 ft External SAS 389671 B21 4 0 m 13 ft External SAS 389674 B21 6 0 m 20 ft External SAS NOTE All HP cables are keyed so they cannot be installed incorrectly You can order additional cables from an authorized HP reseller or authorized HP service...

Page 118: ...h PCI Express transfer rate Two internal wide ports each port has four 1x connectors Number of SAS ports 1 2 GB s per wide port peak bandwidth SAS transfer rate 3 0 Gb s SAS Drive types supported 256 MB approximately 48 MB is used by the onboard processor Cache size Table 24 Smart Array P41 1 controller specifications Low Profile PCIe Form Factor Dimensions excluding bracket 19 05 cm x 24 13 cm x ...

Page 119: ... HP Integrity BL860c servers 383280 B21 for HP Integrity BL870c servers 10º to 55º C 50º to 131º F Operating temperature range 30º to 60º C 22º to 140º F Storage Shipping temperature range 10 to 90 Storage Shipping 5 to 90 Operating relative humidity noncondensing 0 1 1 0 5 6 ADG RAID levels supported 108 external Maximum number of physical drives using all four ports 32 Maximum number of logical ...

Page 120: ... to 55º C 50º to 131º F Operating temperature range 30º to 60º C 22º to 140º F Storage shipping temperature range 10 to 90 Storage shipping 5 to 90 Operating relative humidity noncondensing 0 1 1 0 5 6 ADG RAID levels supported 108 8 can be connected internally and the remaining100 can be connected externally by using expanders Maximum number of physical drives using all four ports 32 Maximum numb...

Page 121: ...pacity not all of which is available for user data RAID cache 64 bit data width with 8 bit error correcting code ECC Flash backed on power loss Tether to capacitor pack Removable DDR2 800 6 4 GiB s maximum bandwidth RAID cache bus speed Yes Software upgradeable firmware 100 drives Maximum drive count 64 bit supporting servers memory space greater than 4 GB System memory addressing 108 drives e g 1...

Page 122: ...frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at personal expense Class B equipment This equipment has been tested and found to comply with the limits...

Page 123: ...o maintain compliance with FCC Rules and Regulations Canadian notice Class A equipment This Class A digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil numérique de la classe A respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada Class B equipment This Class B digital apparatus meets all requirements of the Can...

Page 124: ...r EU non harmonized Telecom products Notified body number used only if applicable refer to the product label Hewlett Packard GmbH HQ TRE Herrenberger Strasse 140 71034 Boeblingen Germany BSMI notice Chinese notice Class A equipment Japanese Class A notice Korean notice Class A equipment 124 Regulatory compliance notices ...

Page 125: ...uld comply with local regulations Batteries battery packs and accumulators should not be disposed of together with the general household waste To forward them to recycling or proper disposal please use the public collection system or return them to HP an authorized HP Partner or their agents For more information about battery replacement or proper disposal contact an authorized reseller or an auth...

Page 126: ...us disk failures without downtime or data loss This fault tolerance level is useful for mission critical data For more information see the RAID Technology Overview at http docs hp com en netcom html Smart 20Array 20 28RAID 29 H 6 What does the auto fail missing disks at boot option do The auto fail missing disks at boot option controls the power on behavior of the HP UX RAID controller when config...

Page 127: ... Array POST error is displayed 1 Power off the server and reconnect the disks and then power on the server 2 Press F1 The controller temporarily disables all logical drives including the intact boot volume The server fails to boot 3 Press F2 The server takes the same actions as a system with auto fail enabled as previously described For more information see Appendix C page 111 127 ...

Page 128: ...E Offline Diagnostics Environment OL Online Addition Replacement and Deletion OLA Online Addition OLD Online Deletion OLR Online Replacement ORCA Option ROM Configuration for Arrays PCI Peripheral Component Interconnect PCIe Peripheral Component Interconnect Express PDC Product Dependent Code POSIX Portable Operating System Interface for UniX POST Power On Self Test RAID Redundant Array of Indepen...

Page 129: ...st be free space in the array If necessary create free space by deleting a logical drive or by carrying out a capacity expansion Also known as a logical drive capacity extension CISS Command Interface for SCSI 3 Support Specification controller duplexing A type of fault tolerance that requires two Smart Array Series controllers Each controller has its own set of disks and the disk sets have identi...

Page 130: ...er assigned to each SCSI device connected to a SCSI bus The ID number determines the device priority on the SCSI bus ID 7 is the highest priority and is always assigned to the SCSI controller Self Monitoring Analysis and Reporting Technology S M A R T Technology co developed by HP and the physical disk industry that provides warning of imminent disk failure S M A R T enables HP to offer Pre Failur...

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