[linux-lvm] lvcreate --thin gives "unknown segment type" error
Kumar amit mehta
gmate.amit at gmail.com
Mon Jul 22 05:15:02 UTC 2013
Hi,
While trying to create thin provisioned volume, I'm getting "unknown
segment type" error. Please see the logs below:
# cat /etc/redhat-release
Red Hat Enterprise Linux Server release 6.4 (Santiago)
# uname -r
2.6.32-358.el6.x86_64
# dmsetup targets
thin-pool v1.5.1
thin v1.5.1
multipath v1.5.0
mirror v1.12.0
striped v1.5.6
linear v1.1.0
error v1.0.1
# lvm version
LVM version: 2.02.99(2)-git (2012-10-22)
Library version: 1.02.78-git (2012-10-22)
Driver version: 4.23.6
# vgs|grep -i testvg
testvg 2 0 0 wz--n- 3.99g 3.99g
# pvs -o +devices|grep -i testvg
/dev/vdc testvg lvm2 a-- 2.00g 2.00g
/dev/vde testvg lvm2 a-- 2.00g 2.00g
# lvcreate -L 1G -T testvg/thinlv1 -vvvv
#libdm-config.c:908 Setting activation/monitoring to 1
#lvmcmdline.c:1102 Processing: lvcreate -L 1G -T testvg/thinlv1 -vvvv
#lvmcmdline.c:1105 O_DIRECT will be used
#libdm-config.c:844 Setting global/locking_type to 1
#libdm-config.c:908 Setting global/wait_for_locks to 1
#locking/locking.c:241 File-based locking selected.
#libdm-config.c:813 Setting global/locking_dir to /var/lock/lvm
#libdm-config.c:908 Setting global/prioritise_write_locks to 1
#unknown/unknown.c:102 Initialised segtype: thin
WARNING: Unrecognised segment type thin
#lvcreate.c:746 Unable to create LV with unknown segment type thin. <-
Run `lvcreate --help' for more informationat am I missing?
What am I missing?
!!amit
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