>From my understanding, an underscore means that the partition isn't
being used in the raid (running in degraded mode), a 'U' means that it
is up and active in the raid, and an (F) next to the partion name
means that it is tagged as 'failed'. 

On Tue, Jul 25, 2000 at 11:27:25AM -0700, Kirk Patton wrote:
> The status is:
> md0 : active raid5 sdf1[4] sde1[4](F) sdd1[3]
> sdc1[2] sdb1[1] sda1[0] 
> 71681024
> +blocks level 5, 256k chunk, algorithm 0 [5/5]
> [UUUUU]

What is sde1?  Is it a spare?

> Personalities : [raid5] 
> read_ahead 1024 sectors
> md0 : active raid5 sdg1[6] sdf1[5] sde1[4] sdd1[3]
> sdc1[2] sdb1[1](F) sda1[0] 106653696 blocks level
> 5, 256k chunk, algorithm 0 [7/6] [U_UUUUU]
> unused devices: <none>

This is degraded.  Either your sdb drive is broken, or it has been
inapproriately been tagged as failed.  You could try a:

raidhotadd /dev/md0 /dev/sdb1 (if I remember the usage correctly..)

But, I'd back up the data first. :')

I've got a machine which always tags the same partition faulty if the
machine gets shutdown incorrectly.  Strange.  I can reactivate it
using a command line like the one above.

Good luck!


Phil

-- 
Philip Edelbrock -- IS Manager -- Edge Design, Corvallis, OR
   [EMAIL PROTECTED] -- http://www.netroedge.com/~phil
 PGP F16: 01 D2 FD 01 B5 46 F4 F0  3A 8B 9D 7E 14 7F FB 7A

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