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How can I physically identify a single drive in a RAID array?

I have a computer with several drives in it, all identical, all part of a RAID. One of those drives is failing (sdc), but I can't tell which physical drive is sdc... any suggestions?

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marked as duplicate by Oli, Marco Ceppi Dec 8 '10 at 3:30

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Did you try sudo fdisk -l ? –  Saifallah Dec 6 '10 at 10:36

1 Answer 1

up vote 5 down vote accepted

This will output the serial number of the disk, which should be printed on its label:

sudo hdparm -i /dev/sdc
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Perfect, thanks. –  Jeremy Dec 6 '10 at 11:06

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