How to: LVM Snapshot

LVM snapshot can be useful for filesystem integrity check and backups. A snapshot of size 15GB can be created with the following command:
lvcreate -L15G -s -n snapshotname /dev/vg0/lv0

-s tag is to mention the logical volume of type 'snapshot', /dev/vg0/lv0 is the original LV.
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