#!/bin/bash
date +"%Y/%m/%d %H:%M:%S" && [ -z `lvs | grep AUTOSNAP | awk '{print $1}'` ] && (lvcreate -L 15G --snapshot --name AUTOSNAP_`date '+%F'` /dev/vg0/root) || ([ `lvs | grep AUTOSNAP | awk '{print $1}'` != AUTOSNAP_`date '+%F'` ] && lvremove -f /dev/vg0/`lvs | grep AUTOSNAP | awk '{print $1}'` && lvcreate -L 15G --snapshot --name AUTOSNAP_`date '+%F'` /dev/vg0/root || echo ' Nothing to do!')
dajiah