On 16/11/2014 23:36, Dave Chinner wrote:
On Sun, Nov 16, 2014 at 08:34:56PM +0100, Markus Rhonheimer wrote:
A few days ago I wanted to increase the size of the block device,
but accidently decreased it by 1 TB (from 7 to 6). I found out about
it and immediately increased the size of the drive to 8 TB
afterward.
If that was a normal LVM block device, there would have been no
trouble. But you're using something special, unusual and completely
untested, so the most likely outcome is going to be that you still
have a pile of broken bits.
Not true! Depends on the allocation strategy chosen for LVM and the
position of free space.
Probably recovering LVM conf from backups (which usually is
automatically made) can recover the exact LVM layout of prior to the shrink.
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