[linux-lvm] Repair inconsistent PV

[Scott Mcdermott]

Andreas Pakulat on Mon 18/08 23:42 +0200:
> only wanted to notify everyone, that I could now solve my
> problem with hexedit and lvm.h. I changed the Major/Minor
> Numbers in both hdXX and then looked at the VG Data, I
> found that the one in hdc2 seemed OK, while the one in
> hda7 looked like random Data was written in it. So I
> copied the VG Metadata into hda7 using dd. A vgscan marked
> lvtmp as problematic, it was in hda7 but in the vgmetadata
> were only 3 LV's, so I changed that and threw out the LV
> Metadata of that particular lv. It is also the one I was
> deleting when the hardware error occured. Now I can read
> my data again.

that's cool investigative work...

just wondering out of curiosity...did you have a backup when
you did this? :)