On Wed, Dec 03, 2014 at 04:12:18PM +0000, Rock wrote: > Thin pool transaction_id is 649, while expected 647. You can't "undo" changes to a thin pool like that. Because of the way the data is stored changes to thin devices generally cannot be reversed. What change were you trying to revert? Alasdair _______________________________________________ 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/