cron.def

0 0 *  * * /vol/conf/snapshot.sh >> /mnt/backup_ebs.log 2>&1
0 2 * * * /vol/conf/manage_snaphost.sh  >> /mnt/backup_ebs.log 2>&1
 

manage_snapshot.sh

#!/bin/sh
# Filename: manage_snapshot.sh 
#
if [ -f /mnt/VOLUME_USED ]; then 
  VOLUME=`cat /mnt/VOLUME_USED`
  /usr/sbin/aws dsnap | grep $VOLUME | sort -r -k 5  | sed 1,10d | awk '{print "Deleting snapshot: " $2 " Dated: " $8}; system("/usr/sbin/aws delsnap " $2)'  >> /mnt/backup_ebs.log 

fi

snapshot.sh

#!/bin/bash
# Filename: snaphost.sh 
#
#  Run as inside cron. 

EBS_DIR=/vol

PATH=$PATH:$HOME/bin:$EC2_HOME/bin:/usr/sbin

if [ -f /mnt/VOLUME_USED ]; then 
VOLUME=`cat /mnt/VOLUME_USED`

echo "Date: $(date)"
/usr/bin/ec2-consistent-snapshot  --description "$VOLUME   $(date +\%F-\%T)" --mysql --xfs-filesystem $EBS_DIR $VOLUME
/usr/sbin/xfs_freeze -u $EBS_DIR

fi

aws dvol | grep | grep device=/dev/sd[klmn] | awk '{ print $2}'