On Mon, Oct 22, 2007 at 08:36:26PM -0400, Stuart D. Gathman wrote: > On Mon, 22 Oct 2007, Humble Chirammal wrote: > > One of the customer ran "lvreduce" command without reducing the > > filesystem (resize2fs ). After the system was rebooted got this error. > > <<snip>> > > The filesystem size (according to the superblock) is 19922944 blocks > > The physical size of the device is 13369344 blocks > > Either the superblock or the partition table is likely to be corrupt! > > <<snip>> > > Is there any way for data recovery??? > Stop them from doing anymore LVM operations until recovery. > If nothing else has been done, undo the lvreduce with vgrestore. > LVM keeps backup versions of the metadata (/etc/lvm/archive on my > system). I'll let the experts provide the exact syntax. I haven't > had to do it yet :-) > If they have used the freed extents (lvextend or lvcreate or ...), > then they are hosed. Indeed - as long as they made no other changes, 'vgcfgrestore' will undo the lvreduce operation. You can use '-ll' to check. If they're using X, suggest trying the GUI (packages system-config-lvm) interface to carry out resizing. Alasdair -- agk@redhat.com _______________________________________________ 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/
