Ok, it sounds like you actually have 2 raid 1's, or possibly a Raid 10, as you can't have a 4 drive raid1. If both were degraded, and in the same array span, then it wouldn't boot.
What I would suggest is to go to the controller BIOS and assign drive 1 as a Hotspare, and it should start a rebuild. After that then do the same for the replacement drive.
If the raid controller gets really out of date, it can cause communication timeouts with the drive. It could be an issue with backplane, or cable. Best thing is to be certain the controller is kept up to date on updates, and then attempt a rebuild on that drive. If it fails the rebuild I would be confident there is an issue with the drive.
DELL-Chris H
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9.7K Posts
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February 17th, 2015 12:00
RaidProblems,
Ok, it sounds like you actually have 2 raid 1's, or possibly a Raid 10, as you can't have a 4 drive raid1. If both were degraded, and in the same array span, then it wouldn't boot.
What I would suggest is to go to the controller BIOS and assign drive 1 as a Hotspare, and it should start a rebuild. After that then do the same for the replacement drive.
Let me know how it goes.
raidproblems
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February 18th, 2015 01:00
Thank you for the help!!
As far as the hard drive that showed degraded first, does it always mean the drive itself is bad? Or did the data just get messed up?
DELL-Chris H
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9.7K Posts
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February 18th, 2015 04:00
Not nessacarily,
If the raid controller gets really out of date, it can cause communication timeouts with the drive. It could be an issue with backplane, or cable. Best thing is to be certain the controller is kept up to date on updates, and then attempt a rebuild on that drive. If it fails the rebuild I would be confident there is an issue with the drive.