Motherboard rejects identical hard drive, one works the other doesn't

Posted by Payson Welch on Server Fault See other posts from Server Fault or by Payson Welch
Published on 2012-11-27T22:13:26Z Indexed on 2012/11/27 23:10 UTC
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I have an interesting situation. I have a Dell XS23-SB server that has four blades in it. The blades use Supermicro X7DWT motherboards, and interface with the sata drives through a backplane.

I took two identical drives from a raid 0 enclosure that came from the factory (GDrive), one works on all four servers, the other does not. I verified that they both work by plugging them into a hard drive cradle.

This behavior can be repeated with other drives, some drives work and some don't. However when i test them, they ALL work on my PC.

What could cause this?

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