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This request was resolved in Red Hat Enterprise Linux 7.0.
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Description of problem: [root@qalvm-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/vdh1(0) [POOL_tmeta] snapper_thinp ewi-aot-- 4.00m /dev/vde1(0) origin snapper_thinp Vwi-a-tz- 1.00g POOL 0.00 other1 snapper_thinp Vwi-a-tz- 1.00g POOL 0.00 other2 snapper_thinp Vwi-a-tz- 1.00g POOL 0.00 other3 snapper_thinp Vwi-a-tz- 1.00g POOL 0.00 other4 snapper_thinp Vwi-a-tz- 1.00g POOL 0.00 other5 snapper_thinp Vwi-a-tz- 1.00g POOL 0.00 restore snapper_thinp Vwi-a-tz- 1.00g POOL origin 0.00 [root@qalvm-01 ~]# strace thin_restore -i file_that_doesnt_exist -o /dev/mapper/snapper_thinp-POOL_tmeta [...] open("/dev/mapper/snapper_thinp-POOL_tmeta", O_RDWR) = 3 open("file_that_doesnt_exist", O_RDONLY) = -1 ENOENT (No such file or directory) [HANGS] Version-Release number of selected component (if applicable): 3.8.0-0.40.el7.x86_64 lvm2-2.02.99-0.34.el7 BUILT: Thu May 16 19:28:08 CDT 2013 lvm2-libs-2.02.99-0.34.el7 BUILT: Thu May 16 19:28:08 CDT 2013 lvm2-cluster-2.02.99-0.34.el7 BUILT: Thu May 16 19:28:08 CDT 2013 device-mapper-1.02.78-0.34.el7 BUILT: Thu May 16 19:28:08 CDT 2013 device-mapper-libs-1.02.78-0.34.el7 BUILT: Thu May 16 19:28:08 CDT 2013 device-mapper-event-1.02.78-0.34.el7 BUILT: Thu May 16 19:28:08 CDT 2013 device-mapper-event-libs-1.02.78-0.34.el7 BUILT: Thu May 16 19:28:08 CDT 2013 cmirror-2.02.99-0.34.el7 BUILT: Thu May 16 19:28:08 CDT 2013 How reproducible: Everytime