RAID and Failed Disk

cat /proc/mdstat. Look for something like this:

[root@fileserver root]# cat /proc/mdstat
Personalities : [raid5]
read_ahead 1024 sectors
md0 : active raid5 sdg2[6] sdf2[5] sde2[4] sdd2[3] sdc2[2] sdb2[1] sda3[0]
      43616000 blocks level 5, 64k chunk, algorithm 0 [6/6] [UUUUUU]

md1 : active raid5 sdn1[6] sdm1[5] sdl1[4] sdk1[3] sdj1[2] sdi1[1] sdh1[0]
      216491136 blocks level 5, 64k chunk, algorithm 0 [7/7] [UUUUUUU]

unused devices: <none>

If any of the U entries are replaced by a _ you have a problem.
--
Regards,
Thomas Cameron
----- Original Message -----
From: "Narayanasamy, Sundar" <sundar.narayanasamy@medtronic.com>
To: <plug-discuss@lists.plug.phoenix.az.us>
Sent: Tuesday, October 07, 2003 1:06 PM
Subject: RAID and Failed Disk


> Hello,
>
> I have a Linux server at a remote site. Is there anyway, I could check
whether it has any failed hard disks?
>
> Any help is appreciated.
>
> Sundar
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