Home > IT Answers > DataCenter > How To determine which HD failed in your Server.
Jmullinjohns
50 pts.
 How To determine which HD failed in your Server.
Dell Precision 370, Dell servers, Hard drives, Mirroring, RAID 1
I am running a Dell Precision 370 with Dual 160 GB Mirrored Hard drives. One of these drives has failed and needs to be replaced. How do I know which HD is the bad one, so I do not replace the wrong one? Thank you.

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ASKED: October 21, 2008  8:51 PM
UPDATED: October 29, 2008  12:42 PM
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Is that a rack mount server, or are the hard drives internal? If it is a rack mount server with front loading drives then one should have green light on it, then other should have a red light on it. The one with the red light is bad. If they are internal you'll need to use the RAID software from within the OS, or reboot the server to get to the RAID controller BIOS and it should identity which hard drive has failed.
Last Wiki Answer Submitted:  October 21, 2008  9:39 pm  by  Denny Cherry   64,520 pts.
All Answer Wiki Contributors:  Denny Cherry   64,520 pts.
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Thanks so much. They are internal. I just ended up guessing and the first one would not boot, so it was the first one that was bad.

Jmullinjohns
 50 pts.