On Tue, 23 Mar 2004, Matthew Johnson wrote: > Bouncing this with the correct from address to get to the list, I hope Many thanks to Heinz, the lvm part is now back working. Now to get back my /usr partition.... for reference for anyone who manages to find this post through google, you want: pvcreate -ff /dev/md/3 vgcfgrestore -n vg0 /dev/md/3 vgscan vgchange -ay Thanks again! Matt > > ---------- Forwarded message ---------- > Date: Mon, 22 Mar 2004 19:51:17 +0000 (GMT) > From: Matthew Johnson <mjj29@srcf.ucam.org> > To: linux-lvm@redhat.com > Subject: hopefully not terminal. > > Right, I appear to have just done raidhotadd /dev/md1 /dev/md3, in > stead of /dev/md1 /dev/hdh3. Oops. It doesn't complain that md3 is > active either. More oops. > > md3 and md4 are in a linear lvm (lvm1 on 2.4.20ish kernel) of 222Gb in size, and md1 is a 100Mb > raid5 partition (/). This means that the first 50Mb has probably been > overwritten. > > This didn't cause the machine to die horribly, only not to come back up. > Given I have probably only overwritten about 0.05% of the data, I hope it > can mostly be restored. However, vgscan and vgchange -ay refuse to do > anything, and vgcfgrestore reports unhelpfully that "physical volume > /dev/md3 doesn't belong to volume group vg0" > > Any ideas how to fix this without wiping the whole thing (I have > backups of critical stuff, but not all of it by a long way). I'm in the > irc channel as "mjj29", if I'm around when everyone else is. > > Oh, I have no /usr/, /var/ or /home/ atm, so I hope no solutions need > them (-; > > Matt > > > _______________________________________________ > linux-lvm mailing list > linux-lvm@redhat.com > https://www.redhat.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ > _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/