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тАО08-21-2003 11:21 AM
тАО08-21-2003 11:21 AM
Converting from Raid0 to Raid5
My company has a Proliant ML-350 G3 with a Raid0 array which was mistakenly setup by my predicessor. It should have been Raid5. We now have a failing drive and need to replace it.
Can I migrate the array from Raid0 to Raid5 then replace the failed drive and rebuild the array with the new drive in place? Can I do this from within Windows 2000 server using ACU-XE?
TIA
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тАО08-21-2003 11:36 AM
тАО08-21-2003 11:36 AM
Re: Converting from Raid0 to Raid5
Either you don't have a failed drive or you don't have a raid 5 set.
Leon
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тАО08-21-2003 11:37 AM
тАО08-21-2003 11:37 AM
Re: Converting from Raid0 to Raid5
Either you don't have a failed drive or you don't have a raid 0 (oops) set.
Leon
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тАО08-21-2003 11:38 AM
тАО08-21-2003 11:38 AM
Re: Converting from Raid0 to Raid5
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тАО08-21-2003 12:11 PM
тАО08-21-2003 12:11 PM
Re: Converting from Raid0 to Raid5
The drive hasn't failed yet but we are getting warnings of immement failure. ACU reports a raid0 array.
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тАО08-21-2003 08:04 PM
тАО08-21-2003 08:04 PM
Re: Converting from Raid0 to Raid5
It depends. Do you have ACU - Array Configuration Utility? Depending on the version, etc. you might be able to take advantage of the Online RAID Level Migration, which allows you to change the raid level of your array. Check this link for more information:
http://h18004.www1.hp.com/products/servers/proliantstorage/software-management/acumatrix/advantage.html
Good luck - Brian
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тАО08-21-2003 10:59 PM
тАО08-21-2003 10:59 PM
Re: Converting from Raid0 to Raid5
http://h18023.www1.hp.com/support/files/server/us/download/10468.html
Your harddrive error message might be erroneous. If after this the drive still reports predictive errors, replace it
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тАО09-04-2003 05:30 PM
тАО09-04-2003 05:30 PM
Re: Converting from Raid0 to Raid5
Raid 0 is mirrored, Raid 1 is striped, Raid 0+1 is mirrored and striped. Neither is Raid 5.
If the 'failing' drive still works:
If it is Raid 0 the disk is running off the mirror.
If it is Raid 1 the Raid array is running off the failed set (spare) drives.
If it is Raid 0+1 physically look for red/or yellow LED's on the drives and go from there.
In either case the disk should be restored to full functional behaior before any migrationto Raid 5 as a precaution.
Or did I read a different tech manual?
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тАО09-04-2003 05:37 PM
тАО09-04-2003 05:37 PM
Re: Converting from Raid0 to Raid5
Raid 0 is mirrored, Raid 1 is striped, Raid 0+1 is mirrored and striped. Neither is Raid 5.
If the 'failing' drive still works:
If it is Raid 0 the disk is running off the mirror.
If it is Raid 1 the Raid array is running off the failed set (spare) drives.
If it is Raid 0+1 physically look for red/or yellow LED's on the drives and go from there.
In either case the disk should be restored to full functional behavior before any migration to Raid 5 as a precaution.
Or did I read a different tech manual?