Ah like that. Ok, I can't imagine I typed such a command, but I guess I
can never really know. But let's say I did, would it be possible to
somehow retrieve the data from that volume? By increasing the underlying
raid-5 maybe? Or is it forever lost?
On 19-9-2011 20:48, Ray Morris wrote:
The symptoms you are presenting, the "missing" 1MB are similar
to if someone did this in the past:
mdadm --create /dev/md1 /dev/sd[ab]1
pvcreate /dev/md1
Then later someone did this:
mdadm --assemble /dev/md1 /dev/volgroup/firstLV
The VG, or the reported size of the PV, is 1MB smaller than
the device the PV is on, due to the metadata. If the RAID array,
or rather any raid array, were created on /dev/sda1, for
example, but then later activated using /dev/volgroup/LV,
mdadm would report that the device was 1MB too small, which is
exactly the message you are getting.
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