I have a Poweredge 1550 with two hard drives. I am very new to raid configuration. When I enter the raid configuration I see both hard drives as ready. I select the top one to make it go online and it says it will not because it is not responding, however the bottom goes online with no problems. Is this right?
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It isn't right. To determine if it really is the drive, swap them and check if the same drive still fails.