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July 9th, 2020 10:00
R430 Replace Drive in RAID
I am looking to replace a failed 2.5" 500G SAS disk in an R430. The disk has already been marked offline.
What is the proper way to do this such that when I slot it's replacement, the RAID controller will start building the new disk with the existing disks' data and not vice-versa? I don't understand how to make sure it doesn't wipe the drive. Also, I don't understand the concept of "hot-spare" in this context.
Is there documentation on how to safely rebuild this array? Is there any performance impact while this operation is in progress?
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DELL-Joey C
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July 9th, 2020 22:00
Hi,
Apologies, but I don't really understand you on "it doesn't wipe the drive". Hot-spare's definition would be that any of the drives in your system which is not utilize will be set as spare for the RAID array, and when ever there is drive failure, the spare will kick in, populate the data and parity automatically.
You can refer to these article for https://dell.to/2ZVTaQZ drive replacement, or set hot spare.
For your situation, it would be simple as insert new drive and check if the rebuild start automatically. The drive indicator should be blinking. You can refer to the server's manual for indicator information. If the rebuild did not start, then set drive as hot spare in OMSA or RAID BIOS. The rebuild should take effect.
Since this is your first time replacing failed drive, do make sure you have data backup.
If you have a dedicated RAID controller, the performance of the server would not be affected.