I tried out the latest version (device-mapper-persistent-data-0.5.5-2) of thin dump (). I still get the error message : "metadata contains errors (run thin_check for details). perhaps you wanted to run with --repair" so I assume something is wrong with taking the snap dmsetup message /dev/mapper/VG-POOL-tpool 0 release_metadata_snap Thanks Thanks Shankha Banerjee On Tue, Nov 24, 2015 at 11:03 AM, shankha <shankhabanerjee@gmail.com> wrote: > I am trying to run thin dump on the snapshot of lvm thin pool metadata. > > The commands used to generate the snapshot and take the thin dump output are: > > dmsetup message /dev/mapper/VG-POOL-tpool 0 reserve_metadata_snap > block_no=`dmsetup status /dev/mapper/VG-POOL-tpool | cut -f 7 -d " "` > > thin_dump -f xml /dev/mapper/VG-POOL_tmeta -m $block_no > > dmsetup message /dev/mapper/VG-POOL-tpool 0 release_metadata_snap > > While creating the snapshot I am dumping data to the thin volume. > > The error message I get is: > "metadata contains errors (run thin_check for details). > perhaps you wanted to run with --repair" > > Is there something wrong with the way I am using the commands ? > > Thanks _______________________________________________ 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/