Archive snapshot and delete old copy

lv-snapshot.sh

#!/bin/bash
VG_GROUP=geekha
LV_NAME=www1-disk
DATE="$(date +%Y_%m_%d-%H%M)"
LV_TAG=snapshot
SIZE=20G
# retention copy
COPY=3

lvcreate -L$SIZE -s -n $LV_NAME-$LV_TAG-$DATE /dev/$VG_GROUP/$LV_NAME
sleep 10
lvdisplay | grep snapshot | grep "LV Path" | grep "${LV_NAME}-snapshot" | sort -r | sed -e '1,'${COPY}'d' | awk '{print $3}' | xargs -n1 -I {} lvremove -y {}