[mythtv] Problems with using LVM for large storage
Jon Wanderer
jonwanderer at yahoo.com
Tue May 17 02:26:11 UTC 2005
> You got lucky. According to all info I found and my own attempts to
> recover if a drive fails completely all LVM tools will give up because
> the volume can't be accessed and therefore can't be operated on. If
> you were able to get LVM to remove the drive that is dead you would
> then have the problem of XFS not being able to shrink only grow. So
> you cannot remove the dead drive. From what I read when I installed
> LVM I thought this would work but when push came to shove I found out
> that LVM can remove a "failing" disk but if your disk just completely
> fails your complete array is toast.
Maybe things have changed since you did your reading? You can mount LVMs
with a drive missing with the --partial option. If you have trouble with
the filesystem you can run xfs_repair before calling the whole array
toast.
-Jon
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