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"defunct" disks but OS boots???

Posted on 2009-04-08
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Last Modified: 2012-05-06
I inherited an IBM xSeries 350 server with Linux already installed and RAID 5 configured across three disks.  I wanted to change to RAID 1 and have a hot-swappable disk, so I downloaded the latest ServeRAID CD and booted into it to reconfigure the array.  Only, the ServeRAID said all three disks were "defunct" and therefore we couldnt make any changes.  So I deleted the array altogether but then a scan for 'new' disks to add to a new array result in "no disks found."  Strangely, if you reboot and remove the ServeRAID CD, the server boots back into Linux.  A system/BIOS-level scan of the disks says there arent any hardware issues.  So what am I missing?  How do I get the ServeRAID to see the disks to create a new array?
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Question by:mikeindo
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vikasjus earned 100 total points
ID: 24104285
This could be issue of Serveraid CD that you are using. CD might be compatible to raid card but not for server. What i will suggest is download IBM server guide CD for X350 and try eith that. In Server Guide it will allow you install OS plus configure RAID.
Before that it is always recommended that you update all Firwares of server hardware.
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Author Comment

by:mikeindo
ID: 24106934
ok, i'll try that and post back!
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Expert Comment

by:dolomiti
ID: 24108668
hi,
which is the ServeRAID card (at bios enter in ctrl-?)
The latest ServeRAID CD are 8,9 and are for SAS
Last SCSI is 7 but for some cards (I need model) 6.xx is more indicated.

bye
vic
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Author Closing Comment

by:mikeindo
ID: 31568390
cant get any feedback from onsite person.  this is likely the solution...
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