"Rechenberg, Andrew" <ARechenberg@shermanfinancialgroup.com> wrote:
> Well, unless I'm reading this wrong, it looks as if /dev/md0 and
> /dev/md10 have the same pvdata for some reason. /dev/md0 is the first
> part of /dev/md10. Any ideas as to what's going on and how to resolve
> this issue?
md0 is the beginning of md10 and the LVM metadata is located at the start of
the PVs. This is why vgscan/pvscan sees the same PV on md0 and md10. I
think (untested...) that the ugly quick fix is to "mv /dev/md0 /dev/notmd0",
this should work because vgscan/pvscan then won't see the device node. The
less ugly fix is to use LVM2 with a devicename filter which excludes md0.
In the long run (and since this is a test system), I'd suggest that you
recreate your VG from PVs on each /dev/md[0-9] instead of creating and using
/dev/md10. This also gives you better control of where your
snapshot-copy-on-write-space will be located (best not on the same
disks...).
christian
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