On Fri, Nov 20, 2020 at 09:48:10PM +0530, Sreyan Chakravarty wrote: > How can I check which type of snapshot I am using ? > > I am very interested in knowing more about these newer snapshots. > > I think I am using the older COW snapshots. > > I created it using: > > sudo lvcreate -L 70GB -s -n test_snapshot > /dev/mapper/vgfedora-fedora This is a classic (aka CoW/copy-on-write or "thick") snapshot since it was created with a size (-L 70GB). When creating a thin snapshot you do not specify a size for the snapshot LV - it consumes space from the associated thin pool as needed. Generally you can find information about the LVs on your system using the "lvs" command. The "Attr" field displays lv attributes including the volume type - see the NOTES section of 'man lvs' for the meaning of the values. The lvs report can also show you whether a snapshot is using CoW or thinp and the amount of data it is consuming. Regards, Bryn. _______________________________________________ linux-lvm mailing list linux-lvm@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
