You need to select the last valid metadata backup of vg2 from /etc/lvmconf (check it with vgcfgrestore -ll -f /etc/lvmconf/vg2.conf[.#.old]; see 'man vgcfgrestore for metadata archive file names) and restore it. Say vg.conf.1.old is the valid one: for dev in AllPVsOfVG2 # list all PVs reported by vgcfgrestore -ll above do pvcreate -ff $dev vgcfgrestore -f /etc/lvmconf/vg.conf.1.old $dev done vgscan vgchange -ay vg2
That did the trick thanks. :-)
Of course in a moment of not concentrating I messed things up again. I still had pvremove on the disk from when I previously installed the lvm2 tools, and although I wanted to do a vgreduce I did a pvremove. Even when it kicked up an error I just followed what it said and typed pvremove -ff. oops :-/
Now I get a a similar error as before with vgscan, and other tools give a 'VGDA in kernel and lvmtab are NTO consistent: please run vgscan' error.
I tried re-running what you suggested above but vgcfgrestore gives a 'can't restore part of active volume group "vg2"' error.
Is there anyway to recover from my stupidity (other than a lobotomy!)?
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