Re: Squeeze LVM: pvmove failure left with new LVM named /dev/vg0/pvmove0 - Trying to roll back

[Sophie Loewenthal <sophie@klunky.co.uk>]

Thank you very much Stefan for your clear explanation.

Because this affects a root LV I'll run in single user.
Soph

On March 1, 2016 4:50:55 PM GMT+01:00, Stefan Monnier <monnier@iro.umontreal.ca> wrote:
>> 	Would  pvmove —abort roll the changes back?
>> How would this affect the server, since the earlier pvmove crashed
>this?
>
>pvmove works as follows (more or less):
>- allocate the destination.
>- configure the destination as a mirror of the source.
>- update the new mirror (that's what does the heavy lifting).
>- break down the mirroring-connection between the destination and
>source.
>- free the source.
>
>So aborting is very straightforward since the source is basically
>unaffected
>by the "pvmove" except at the very very end.
>
>
>        Stefan