Bug#811033: Correctly create mirrored lvm

[Gerasimos Melissaratos]

It almost ruined my day, but the solution is simple: when creating the
mirror use "--mirrorlog mirrored --alloc anywhere".
In the case of a configured lvm mirror, you can follow a procedure like
this:

lvconvert -m 0 <LV Path>
lvconvert -m 1 --mirrorlog mirrored --alloc anywhere <LV Path>

For example, in my case it was

lvconvert -m 0 /dev/vg0/lv0
lvconvert -m 1 --mirrorlog mirrored --alloc anywhere /dev/vg0/lv0


-- 
--
<signature>
  <name>   Gerasimos Melissaratos      </name>
  <title>  Systems Administrator       </title>
  <tel>    +306979045121               </tel>
</signature>

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