cp /dev/md0 /dev/null

And then look at which drive's light isn't on.


-----Original Message-----
From: linux-raid-owner@vger.kernel.org [mailto:linux-raid-owner@vger.kernel.org] On Behalf Of Richard Scobie
Sent: Wednesday, October 29, 2008 11:36 PM
To: Dexter Filmore
Cc: Linux RAID Mailing List
Subject: Re: diskspotting (how to tell the dead one?)

Dexter Filmore wrote:

Assuming one has 6 disks on two controllers and one dies, how does one tell
the dead one? Which controller/port?

There are probably more elegant ways, but I use smartctl -a on the
failed drive to find it's serial number and use this to find the
location based on where I installed the drives initially, which I note
in a text file or a label attached to the exterior of the case on
machines with removable drive trays.

Regards,

Richard
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