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# lvcreate -s -n snapshot -L 5G /dev/disk.image # lvdisplay /dev/disk.image --- Logical volume --- LV Name /dev/disk.image VG Name dg7tv18txypm17 LV UUID XmLioY-vRC4-3IJo-eT4u-S6ib-z7Je-cxAAjq LV Write Access read/write LV snapshot status source of /dev/dg7tv18txypm17/snapshot [active] LV Status available # open 1 LV Size 5.00 GB Current LE 1280 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 253:47
# mount /dev/dg7tv18txypm17/snapshot /mnt/ mount: you must specify the filesystem type
# kpartx -p X -a /dev/dg7tv18txypm17/snapshot
# mount /dev/mapper/snapshotp1 /mnt/
# ll /mnt/
total 104
dr-xr-xr-x 2 root root 4096 Jul 4 2012 bin
dr-xr-xr-x 4 root root 4096 Jul 4 2012 boot
drwxr-xr-x 2 root root 4096 Sep 24 2011 cgroup
drwxr-xr-x 2 root root 4096 Jul 4 2012 dev
drwxr-xr-x 74 root root 4096 Mar 22 14:11 etc
drwxr-xr-x 3 root root 4096 Jul 4 2012 home
dr-xr-xr-x 10 root root 4096 Jul 4 2012 lib
dr-xr-xr-x 7 root root 12288 Jul 4 2012 lib64
drwx------ 2 root root 16384 Jul 12 2011 lost+found
drwxr-xr-x 2 root root 4096 Sep 23 2011 media
drwxr-xr-x 2 root root 4096 Sep 23 2011 mnt
drwxr-xr-x 3 root root 4096 Jul 4 2012 opt
drwxr-xr-x 2 root root 4096 Jul 12 2011 proc
dr-xr-x--- 5 root root 4096 Mar 22 14:10 root
dr-xr-xr-x 2 root root 4096 Jul 4 2012 sbin
drwxr-xr-x 2 root root 4096 Sep 23 2011 selinux
drwxr-xr-x 2 root root 4096 Sep 23 2011 srv
drwxr-xr-x 2 root root 4096 Jul 12 2011 sys
drwxrwxrwt 3 root root 4096 Mar 22 18:02 tmp
drwxr-xr-x 13 root root 4096 Dec 12 2011 usr
drwxr-xr-x 22 root root 4096 Jul 4 2012 var
# umount /mnt/ # kpartx -p X -d /dev/dg7tv18txypm17/snapshot # lvremove /dev/dg7tv18txypm17/snapshot