# lvcreate -s -L4M -n snap0 vg00/lv1 Setting log/indent to 1 Setting log/prefix to Setting log/command_names to 0 Setting global/test to 0 Setting log/overwrite to 0 Setting log/file to /tmp/lvm2.log log/activation not found in config: defaulting to 0 Logging initialised at Sat Jul 26 19:30:26 2008 Setting global/umask to 63 Set umask to 0077 Setting devices/dir to /dev Setting global/proc to /proc Setting global/activation to 1 global/suffix not found in config: defaulting to 1 Setting global/units to h activation/readahead not found in config: defaulting to auto devices/preferred_names not found in config file: using built-in preferences devices/filter not found in config file: no regex filter installed Setting devices/ignore_suspended_devices to 0 Setting devices/cache_dir to /etc/lvm/cache Setting devices/write_cache_state to 1 Opened /etc/lvm/cache/.cache RO /dev/rwd0b: Added to device cache /dev/rwd0a: Added to device cache /dev/rwd0d: Added to device cache /dev/rwd1a: Added to device cache /dev/rwd1d: Added to device cache /dev/rwd2a: Added to device cache /dev/rwd2d: Added to device cache Loaded persistent filter cache from /etc/lvm/cache/.cache Closed /etc/lvm/cache/.cache Setting activation/reserved_stack to 256 Setting activation/reserved_memory to 8192 Setting activation/process_priority to -18 Initialised format: lvm1 Initialised format: pool Adding text format metadata dir: /etc/lvm/metadata Initialised format: lvm2 global/format not found in config: defaulting to lvm2 lvmcache: initialised VG #orphans_lvm1 lvmcache: initialised VG #orphans_pool lvmcache: initialised VG #orphans_lvm2 Initialised segtype: striped Initialised segtype: zero Initialised segtype: error Initialised segtype: free Initialised segtype: snapshot Initialised segtype: mirror Setting backup/retain_days to 30 Setting backup/retain_min to 10 Setting backup/archive_dir to /etc/lvm/archive Setting backup/backup_dir to /etc/lvm/backup global/fallback_to_lvm1 not found in config: defaulting to 0 Parsing: lvcreate -s -L4M -n snap0 vg00/lv1 Processing: lvcreate -s -L4M -n snap0 vg00/lv1 O_DIRECT will be used Setting global/locking_type to 1 File-based locking selected. Setting global/locking_dir to /var/lock/lvm Setting chunksize to 8 sectors. Getting target version for snapshot dm_task_run dmt type version Ioctl type version---197 dm_task_run dmt type targets Ioctl type targets---4 Getting target version for snapshot-origin dm_task_run dmt type targets Ioctl type targets---4 Setting logging type to disk Setting activation/mirror_region_size to 512 Finding volume group "vg00" Locking /var/lock/lvm/V_vg00 WB Opened /dev/rwd0a RW O_DIRECT /dev/rwd0a: block size is 512 bytes /dev/rwd0a: No label detected Closed /dev/rwd0a Opened /dev/rwd0b RW O_DIRECT /dev/rwd0b: block size is 512 bytes /dev/rwd0b: lvm2 label detected lvmcache: /dev/rwd0b: now in VG #orphans_lvm2 (#orphans_lvm2) Incorrect metadata area header checksum Closed /dev/rwd0b Opened /dev/rwd0d RW O_DIRECT /dev/rwd0d: block size is 512 bytes /dev/rwd0d: No label detected Closed /dev/rwd0d Opened /dev/rwd1a RW O_DIRECT /dev/rwd1a: block size is 512 bytes /dev/rwd1a: lvm2 label detected lvmcache: /dev/rwd1a: now in VG #orphans_lvm2 (#orphans_lvm2) /dev/rwd1a: Found metadata at 23040 size 2899 (in area at 4096 size 192512) for vg00 (wbJxbs-22oG-1f2p-EbnP-ST2o-Xc25-R3ZMkr) lvmcache: /dev/rwd1a: now in VG vg00 with 1 mdas lvmcache: /dev/rwd1a: setting vg00 VGID to wbJxbs22oG1f2pEbnPST2oXc25R3ZMkr lvmcache: /dev/rwd1a: VG vg00: Set creation host to . Opened /dev/rwd1d RW O_DIRECT /dev/rwd1d: block size is 512 bytes /dev/rwd1d: No label detected Closed /dev/rwd1d Opened /dev/rwd2a RW O_DIRECT /dev/rwd2a: block size is 512 bytes /dev/rwd2a: lvm2 label detected lvmcache: /dev/rwd2a: now in VG #orphans_lvm2 (#orphans_lvm2) /dev/rwd2a: Found metadata at 23040 size 2899 (in area at 4096 size 192512) for vg00 (wbJxbs-22oG-1f2p-EbnP-ST2o-Xc25-R3ZMkr) lvmcache: /dev/rwd2a: now in VG vg00 (wbJxbs22oG1f2pEbnPST2oXc25R3ZMkr) with 1 mdas Opened /dev/rwd2d RW O_DIRECT /dev/rwd2d: block size is 512 bytes /dev/rwd2d: No label detected Closed /dev/rwd2d Opened /etc/lvm/metadata/vg00 RO Closed /etc/lvm/metadata/vg00 Using cached label for /dev/rwd1a Using cached label for /dev/rwd2a Read volume group vg00 from /etc/lvm/metadata/vg00 Using cached label for /dev/rwd1a Using cached label for /dev/rwd2a Opened /etc/lvm/metadata/vg00 RO Closed /etc/lvm/metadata/vg00 Using cached label for /dev/rwd1a Using cached label for /dev/rwd2a Read volume group vg00 from /etc/lvm/metadata/vg00 Using cached label for /dev/rwd1a Using cached label for /dev/rwd2a Read vg00 metadata (10) from /dev/rwd1a at 23040 size 2899 Using cached label for /dev/rwd1a Using cached label for /dev/rwd2a Read vg00 metadata (10) from /dev/rwd2a at 23040 size 2899 /dev/rwd1a 0: 0 12: NULL(0:0) /dev/rwd2a 0: 0 3: lv1(0:0) /dev/rwd2a 1: 3 21: NULL(0:0) Getting device info for vg00-lv1 dm_task_run dmt type info Ioctl type info---516 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---516 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---516 dm_task_get_info vg00-lv1 ---- 1 Archiving volume group "vg00" metadata (seqno 10). Creating logical volume snap0 Allowing allocation on /dev/rwd1a start PE 0 length 12 Allowing allocation on /dev/rwd2a start PE 3 length 21 /dev/rwd1a 0: 0 12: NULL(0:0) /dev/rwd2a 0: 0 3: lv1(0:0) /dev/rwd2a 1: 3 1: snap0(0:0) /dev/rwd2a 2: 4 20: NULL(0:0) Writing vg00 metadata to /etc/lvm/metadata/.lvm__291_1287895899 Writing vg00 metadata to /dev/rwd1a at 26112 len 1319 Writing vg00 metadata to /dev/rwd2a at 26112 len 1319 Pre-Committing vg00 metadata (11) to /dev/rwd1a header at 4096 Pre-Committing vg00 metadata (11) to /dev/rwd2a header at 4096 Creating volume group backup "/etc/lvm/backup/vg00" (seqno 11). Writing vg00 metadata to /etc/lvm/backup/.lvm__291_1439608824 Committing vg00 metadata (11) Renaming /etc/lvm/backup/vg00.tmp to /etc/lvm/backup/vg00 Committing vg00 metadata (11) Renaming /etc/lvm/metadata/vg00.tmp to /etc/lvm/metadata/vg00 Committing vg00 metadata (11) to /dev/rwd1a header at 4096 Committing vg00 metadata (11) to /dev/rwd2a header at 4096 Locking LV wbJxbs22oG1f2pEbnPST2oXc25R3ZMkrzR9ekPGWB61ZThm8yGHWdXDvPUeDcJeS (EX) Finding volume group for uuid wbJxbs22oG1f2pEbnPST2oXc25R3ZMkrzR9ekPGWB61ZThm8yGHWdXDvPUeDcJeS Using cached label for /dev/rwd1a Using cached label for /dev/rwd2a Opened /etc/lvm/metadata/vg00 RO Closed /etc/lvm/metadata/vg00 Using cached label for /dev/rwd1a Using cached label for /dev/rwd2a Read volume group vg00 from /etc/lvm/metadata/vg00 Using cached label for /dev/rwd1a Using cached label for /dev/rwd2a Read vg00 metadata (11) from /dev/rwd1a at 26112 size 1319 Using cached label for /dev/rwd1a Using cached label for /dev/rwd2a Read vg00 metadata (11) from /dev/rwd2a at 26112 size 1319 Found volume group "vg00" Getting device info for vg00-snap0 dm_task_run dmt type info Ioctl type info---516 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---516 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---516 dm_task_get_info vg00-snap0 ---- 0 Locking memory memlock_count inc to 1 Setting activation/missing_stripe_filler to /dev/ioerror Getting device info for vg00-snap0 [LVM-wbJxbs22oG1f2pEbnPST2oXc25R3ZMkrzR9ekPGWB61ZThm8yGHWdXDvPUeDcJeS] dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info vg00-snap0 ---- 0 Getting device info for vg00-snap0-real [LVM-wbJxbs22oG1f2pEbnPST2oXc25R3ZMkrzR9ekPGWB61ZThm8yGHWdXDvPUeDcJeS-real] dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info vg00-snap0-real ---- 0 Getting device info for vg00-snap0-cow [LVM-wbJxbs22oG1f2pEbnPST2oXc25R3ZMkrzR9ekPGWB61ZThm8yGHWdXDvPUeDcJeS-cow] dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info vg00-snap0-cow ---- 0 Getting device info for vg00-snap0_mlog [LVM-wbJxbs22oG1f2pEbnPST2oXc25R3ZMkrzR9ekPGWB61ZThm8yGHWdXDvPUeDcJeS-_mlog] dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info vg00-snap0_mlog ---- 0 _tree_action get root=snap0, dlib=LVM-wbJxbs22oG1f2pEbnPST2oXc25R3ZMkrzR9ekPGWB61ZThm8yGHWdXDvPUeDcJeS _tree_action add lv->name snap0 vg00-snap0 --- Setting minor to 0 -1----1 Checking kernel supports striped segment type for snap0 Getting target version for linear dm_task_run dmt type targets Ioctl type targets---4 Getting target version for striped dm_task_run dmt type targets Ioctl type targets---4 dm_preload_children here :(null) -- 0 0---0 dm_preload_children here :vg00-snap0 -- 0 -1----1 dm_preload_chidren end dm BBBBBB Creating vg00-snap0dm_task_run dmt type create Ioctl type create---516 vg00-snap0: Stacking NODE_ADD (169,2) 0:0 0600 dm_task_get_info vg00-snap0 ---- 1 _create_node 1 dm CCCCCC Loading vg00-snap0 table Adding target: 0 8192 linear /dev/wd2a 24960 dm_task_run dmt type reload dm_task_run dmt type table Ioctl type table---20 dm_task_run dmt type reload Ioctl type reload---516 dm_task_get_info vg00-snap0 ---- 1 Suppressed vg00-snap0 identical table reload. dm DDDDD dm_preload_chidren end Getting device info for vg00-snap0 [LVM-wbJxbs22oG1f2pEbnPST2oXc25R3ZMkrzR9ekPGWB61ZThm8yGHWdXDvPUeDcJeS] dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info vg00-snap0 ---- 1 dm_task_run dmt type deps Ioctl type deps---4 dm_task_get_info ---- 1 Getting device info for vg00-snap0-real [LVM-wbJxbs22oG1f2pEbnPST2oXc25R3ZMkrzR9ekPGWB61ZThm8yGHWdXDvPUeDcJeS-real] dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info vg00-snap0-real ---- 0 Getting device info for vg00-snap0-cow [LVM-wbJxbs22oG1f2pEbnPST2oXc25R3ZMkrzR9ekPGWB61ZThm8yGHWdXDvPUeDcJeS-cow] dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info vg00-snap0-cow ---- 0 Getting device info for vg00-snap0_mlog [LVM-wbJxbs22oG1f2pEbnPST2oXc25R3ZMkrzR9ekPGWB61ZThm8yGHWdXDvPUeDcJeS-_mlog] dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info vg00-snap0_mlog ---- 0 _tree_action get root=snap0, dlib=LVM-wbJxbs22oG1f2pEbnPST2oXc25R3ZMkrzR9ekPGWB61ZThm8yGHWdXDvPUeDcJeS Unlocking memory memlock_count dec to 0 Created /dev/mapper/vg00-snap0 Linking /dev/vg00/rsnap0 -> /dev/mapper/rvg00-snap0 Linking /dev/vg00/snap0 -> /dev/mapper/vg00-snap0 Clearing start of logical volume "snap0" /dev/vg00/snap0: Added to device cache Opened /dev/vg00/snap0 RW O_DIRECT Wiping /dev/vg00/snap0 at sector 0 length 8 sectors /dev/vg00/snap0: block size is 512 bytes Closed /dev/vg00/snap0 /dev/rwd1a 0: 0 12: NULL(0:0) /dev/rwd2a 0: 0 3: lv1(0:0) /dev/rwd2a 1: 3 1: snap0(0:0) /dev/rwd2a 2: 4 20: NULL(0:0) Writing vg00 metadata to /etc/lvm/metadata/.lvm__291_342797521 Writing vg00 metadata to /dev/rwd1a at 27648 len 1542 Writing vg00 metadata to /dev/rwd2a at 27648 len 1542 Pre-Committing vg00 metadata (12) to /dev/rwd1a header at 4096 Pre-Committing vg00 metadata (12) to /dev/rwd2a header at 4096 Locking LV wbJxbs22oG1f2pEbnPST2oXc25R3ZMkrw09PV2xmC2Qn5Of0R6V9GRqm3w4Zv2na (W) Finding volume group for uuid wbJxbs22oG1f2pEbnPST2oXc25R3ZMkrw09PV2xmC2Qn5Of0R6V9GRqm3w4Zv2na /dev/rwd1a: lvm2 label detected lvmcache: /dev/rwd1a: now in VG #orphans_lvm2 (#orphans_lvm2) with 1 mdas /dev/rwd1a: Found metadata at 26112 size 1319 (in area at 4096 size 192512) for vg00 (wbJxbs-22oG-1f2p-EbnP-ST2o-Xc25-R3ZMkr) lvmcache: /dev/rwd1a: now in VG vg00 (wbJxbs22oG1f2pEbnPST2oXc25R3ZMkr) with 1 mdas /dev/rwd2a: lvm2 label detected lvmcache: /dev/rwd2a: now in VG #orphans_lvm2 (#orphans_lvm2) with 1 mdas /dev/rwd2a: Found metadata at 26112 size 1319 (in area at 4096 size 192512) for vg00 (wbJxbs-22oG-1f2p-EbnP-ST2o-Xc25-R3ZMkr) lvmcache: /dev/rwd2a: now in VG vg00 (wbJxbs22oG1f2pEbnPST2oXc25R3ZMkr) with 1 mdas Opened /etc/lvm/metadata/vg00 RO Closed /etc/lvm/metadata/vg00 Using cached label for /dev/rwd1a Using cached label for /dev/rwd2a Read volume group vg00 from /etc/lvm/metadata/vg00 Using cached label for /dev/rwd1a Using cached label for /dev/rwd2a Read vg00 metadata (11) from /dev/rwd1a at 26112 size 1319 Using cached label for /dev/rwd1a Using cached label for /dev/rwd2a Read vg00 metadata (11) from /dev/rwd2a at 26112 size 1319 Found volume group "vg00" Finding volume group for uuid wbJxbs22oG1f2pEbnPST2oXc25R3ZMkrw09PV2xmC2Qn5Of0R6V9GRqm3w4Zv2na Using cached label for /dev/rwd1a Using cached label for /dev/rwd2a Opened /etc/lvm/metadata/vg00.tmp RO Closed /etc/lvm/metadata/vg00.tmp Using cached label for /dev/rwd1a Using cached label for /dev/rwd2a Read volume group vg00 from /etc/lvm/metadata/vg00.tmp Using cached label for /dev/rwd1a Using cached label for /dev/rwd2a Read vg00 pre-commit metadata (12) from /dev/rwd1a at 27648 size 1542 Using cached label for /dev/rwd1a Using cached label for /dev/rwd2a Read vg00 pre-commit metadata (12) from /dev/rwd2a at 27648 size 1542 Found volume group "vg00" Getting device info for vg00-lv1 dm_task_run dmt type info Ioctl type info---709 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---516 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---516 dm_task_get_info vg00-lv1 ---- 1 Getting device info for vg00-lv1 [LVM-wbJxbs22oG1f2pEbnPST2oXc25R3ZMkrw09PV2xmC2Qn5Of0R6V9GRqm3w4Zv2na] dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info vg00-lv1 ---- 1 dm_task_run dmt type deps Ioctl type deps---4 dm_task_get_info ---- 1 Getting device info for vg00-lv1-real [LVM-wbJxbs22oG1f2pEbnPST2oXc25R3ZMkrw09PV2xmC2Qn5Of0R6V9GRqm3w4Zv2na-real] dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info vg00-lv1-real ---- 0 Getting device info for vg00-lv1-cow [LVM-wbJxbs22oG1f2pEbnPST2oXc25R3ZMkrw09PV2xmC2Qn5Of0R6V9GRqm3w4Zv2na-cow] dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info vg00-lv1-cow ---- 0 Getting device info for vg00-lv1_mlog [LVM-wbJxbs22oG1f2pEbnPST2oXc25R3ZMkrw09PV2xmC2Qn5Of0R6V9GRqm3w4Zv2na-_mlog] dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info vg00-lv1_mlog ---- 0 Getting device info for vg00-snap0 [LVM-wbJxbs22oG1f2pEbnPST2oXc25R3ZMkrzR9ekPGWB61ZThm8yGHWdXDvPUeDcJeS] dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info vg00-snap0 ---- 1 dm_task_run dmt type deps Ioctl type deps---4 dm_task_get_info ---- 1 Getting device info for vg00-snap0-real [LVM-wbJxbs22oG1f2pEbnPST2oXc25R3ZMkrzR9ekPGWB61ZThm8yGHWdXDvPUeDcJeS-real] dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info vg00-snap0-real ---- 0 Getting device info for vg00-snap0-cow [LVM-wbJxbs22oG1f2pEbnPST2oXc25R3ZMkrzR9ekPGWB61ZThm8yGHWdXDvPUeDcJeS-cow] dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info vg00-snap0-cow ---- 0 Getting device info for vg00-snap0_mlog [LVM-wbJxbs22oG1f2pEbnPST2oXc25R3ZMkrzR9ekPGWB61ZThm8yGHWdXDvPUeDcJeS-_mlog] dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info ---- 0 dm_task_run dmt type info Ioctl type info---4 dm_task_get_info vg00-snap0_mlog ---- 0 _tree_action get root=lv1, dlib=LVM-wbJxbs22oG1f2pEbnPST2oXc25R3ZMkrw09PV2xmC2Qn5Of0R6V9GRqm3w4Zv2na _tree_action add lv->name lv1 vg00-lv1 --- Setting minor to 0 -1----1 Checking kernel supports striped segment type for lv1 vg00-lv1-real --- Setting minor to 0 0---0 Checking kernel supports striped segment type for lv1-real vg00-snap0 --- Setting minor to 0 -1----1 Checking kernel supports snapshot segment type for snap0 vg00-snap0-cow --- Setting minor to 0 0---0 Checking kernel supports snapshot segment type for snap0-cow dm_preload_children here :(null) -- 0 0---0 dm_preload_children here :vg00-lv1 -- 0 -1----1 dm_preload_children here :vg00-lv1-real -- 0 0---0 dm_preload_chidren end dm BBBBBB Creating vg00-lv1-realdm_task_run dmt type create Ioctl type create---516 vg00-lv1-real: Stacking NODE_ADD (169,3) 0:0 0600 dm_task_get_info vg00-lv1-real ---- 1 _create_node 1 dm CCCCCC Loading vg00-lv1-real table Adding target: 0 24576 linear /dev/wd2a 384 dm_task_run dmt type reload dm_task_run dmt type table Ioctl type table---20 dm_task_run dmt type reload Ioctl type reload---516 dm_task_get_info vg00-lv1-real ---- 1 Suppressed vg00-lv1-real identical table reload. dm DDDDD dm EEEEEE dm_preload_chidren end dm BBBBBB Creating vg00-lv1dm_task_run dmt type create Ioctl type create---516 _do_dm_ioctl 17 _create_node 0 dm_preload_chidren end Failed to suspend origin lv1 Wiping pre-committed vg00 metadata from /dev/rwd1a header at 4096 Wiping pre-committed vg00 metadata from /dev/rwd2a header at 4096 Unlocking /var/lock/lvm/V_vg00 Closed /dev/rwd1a Closed /dev/rwd2a Completed: lvcreate -s -L4M -n snap0 vg00/lv1 Dumping persistent device cache to /etc/lvm/cache/.cache Locking /etc/lvm/cache/.cache (F_WRLCK, 3) Unlocking fd 5 Wiping internal VG cache Created /dev/mapper/vg00-lv1-real