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| Sun System Handbook - ISO 3.4 June 2011 Internal/Partner Edition | ||
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Solution Type Technical Instruction Sure Solution 1018162.1 : Troubleshooting tips for identifying a disk drive for replacement in a Sun StorEdge[TM] D1000 array.
PreviouslyPublishedAs 229514 Description A system with several Sun StorEdge[TM] D1000 disk arrays attached has a failed disk drive that needs replacement, (for instance: c2t4d0). You need to properly identify the correct drive to be replaced in the array. Steps to Follow This is a method you can use to identify the correct disk to be changed. 1) From the system console, first follow the procedures for removal of the failing drive from whatever type of volume management software for hot-swap replacement, for instance Veritas Volume Manager, Solstice DiskSuite[TM] or Solaris[TM] Volume Manager. 2) From the host system verify the failing drive by using the iostat command or look at the error messages in /var/adm/messages to gather the drive serial number. # iostat -E| more page through the output looking for hard errors on the disk devices, once you identify the drive, make a note of the drive serial number from the iostat -E output. output example: sd8 Soft Errors: 7 Hard Errors: 25 Transport Errors: 5 Model: ST318305LC Revision: 3.21 Serial No: 00391H8227 Size: 18.2GB # more /var/adm/messages look for the error message for the failing/failed drive, the drive path will be listed as well as the drive serial number. 3)Next run the format utility. #format 4) From format, select the disk that is on the same controller but one target above or below the disk needing replacement or the closest disk available on the same controller. For instance: c2t4d0 ? disk needing replaced c2t3d0 or c2t5d0 ? selected disk 5) From this menu select the analyze option. 6) Now select the read option. This will inform you that it will take a while but will not harm data or OS and can be stopped by typing Ctrl-C. 7) Begin the analyze/read and allow it to run. This will flash the green access light on the D1000 for the disk you chose in a constant pattern, enabling you to identify the disk you need to replace. The disk to be replaced would be either before or after the "green access lighted" disk, depending and corresponding to which disk (above or below) the replacement disk selection on step 4. 8) As an additional identifier, the serial number from the iostat -E output or /var/adm/messages can be verified on the disk spud bracket. 9) Stop the analyze/read by typing Ctrl-C. Replace the failing disk and ensure the new disk spins up and the disk bay lights up solid. 10) Now you can replace the disk through your respective disk management software and begin the resyncing process. Product Sun StorageTek D1000 Array Previously Published As 80656 Change History Date: 2005-04-20 User Name: 25440 Action: Approved Comment: Audience changed to contract per FvF http://kmo.central/howto/FvF.html Added official product name to title. Minor edits for Editorial Style Guide compliance. Publishing. Version: 6 Date: 2005-04-20 User Name: 25440 Action: Accept Comment: Version: 0 Date: 2005-04-20 User Name: 128938 Action: Approved Comment: I had Edit document with following changes: ...ie Veritas Volume Manager or Solstice Disksuite. - typo error on Manger step 7 ... added "The disk to be replaced would be either before or after the "green access lighted" disk, depending and corresponding to which disk (above or below) the replacement disk selection on step 4. - This is to be precise and ensure no uncertainty. I found that the document is now good for final review Version: 0 Attachments This solution has no attachment |
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