Description of problem: This is similar to bug 855171, however it's the virt origin volume here where the convert is attempted. [root@taft-01 ~]# lvs -a -o +devices LV VG Attr LSize Pool Origin Data% Devices POOL snapper_thinp twi-a-tz 1.00g 0.00 POOL_tdata(0) [POOL_tdata] snapper_thinp Twi-aot- 1.00g /dev/sdc1(0) [POOL_tmeta] snapper_thinp ewi-aot- 4.00m /dev/sde1(0) display_snap snapper_thinp Vwi-a-tz 1.00g POOL origin 0.00 origin snapper_thinp Vwi-a-tz 1.00g POOL 0.00 [root@taft-01 ~]# lvconvert -m 1 snapper_thinp/origin LV origin is thin volume without first thin volume segment Internal error: LV segments corrupted in origin. LV origin_mimage_0 is missing thin volume flag for segment 1 Internal error: LV segments corrupted in origin_mimage_0. [root@taft-01 ~]# lvs -a -o +devices LV VG Attr LSize Pool Origin Data% Devices POOL snapper_thinp twi-a-tz 1.00g 0.00 POOL_tdata(0) [POOL_tdata] snapper_thinp Twi-aot- 1.00g /dev/sdc1(0) [POOL_tmeta] snapper_thinp ewi-aot- 4.00m /dev/sde1(0) display_snap snapper_thinp Vwi-a-tz 1.00g POOL origin 0.00 origin snapper_thinp Vwi-a-tz 1.00g POOL 0.00 origin_mlog snapper_thinp -wi----- 4.00m /dev/sde1(1) Version-Release number of selected component (if applicable): 2.6.32-279.el6.x86_64 lvm2-2.02.95-10.el6 BUILT: Fri May 18 03:26:00 CDT 2012 lvm2-libs-2.02.95-10.el6 BUILT: Fri May 18 03:26:00 CDT 2012 lvm2-cluster-2.02.95-10.el6 BUILT: Fri May 18 03:26:00 CDT 2012 udev-147-2.41.el6 BUILT: Thu Mar 1 13:01:08 CST 2012 device-mapper-1.02.74-10.el6 BUILT: Fri May 18 03:26:00 CDT 2012 device-mapper-libs-1.02.74-10.el6 BUILT: Fri May 18 03:26:00 CDT 2012 device-mapper-event-1.02.74-10.el6 BUILT: Fri May 18 03:26:00 CDT 2012 device-mapper-event-libs-1.02.74-10.el6 BUILT: Fri May 18 03:26:00 CDT 2012 cmirror-2.02.95-10.el6 BUILT: Fri May 18 03:26:00 CDT 2012
Currently fixed by prohibiting such conversion as not yet supported. https://www.redhat.com/archives/lvm-devel/2012-October/msg00025.html
*** Bug 843338 has been marked as a duplicate of this bug. ***
Fix verified in the lastest rpms. 2.6.32-348.el6.x86_64 lvm2-2.02.98-6.el6 BUILT: Thu Dec 20 07:00:04 CST 2012 lvm2-libs-2.02.98-6.el6 BUILT: Thu Dec 20 07:00:04 CST 2012 lvm2-cluster-2.02.98-6.el6 BUILT: Thu Dec 20 07:00:04 CST 2012 udev-147-2.43.el6 BUILT: Thu Oct 11 05:59:38 CDT 2012 device-mapper-1.02.77-6.el6 BUILT: Thu Dec 20 07:00:04 CST 2012 device-mapper-libs-1.02.77-6.el6 BUILT: Thu Dec 20 07:00:04 CST 2012 device-mapper-event-1.02.77-6.el6 BUILT: Thu Dec 20 07:00:04 CST 2012 device-mapper-event-libs-1.02.77-6.el6 BUILT: Thu Dec 20 07:00:04 CST 2012 cmirror-2.02.98-6.el6 BUILT: Thu Dec 20 07:00:04 CST 2012 [root@taft-01 ~]# lvconvert -m 1 snapper_thinp/origin Converting segment type for snapper_thinp/origin to mirror is not yet supported.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. http://rhn.redhat.com/errata/RHBA-2013-0501.html