Mount EBS Volume (see: http://bit.ly/EsrqQ)

mountEBSvol.sh

#!/bin/sh
#
# /etc/init.d/mountebsvol
#
# chkconfig: 234 20 50
# description: Assigns an EC2 EBS Volume to a device and mounts the device
#
# To add this as a service run:
#   /sbin/chkconfig --add mountec2vol
#
# VARS
#
VOL="vol-XXXXXXX"
SCRIPT_NAME="mount_ebs_vol"
DEV="/dev/sdh"
MOUNT_POINT="/vol/www"
export JAVA_HOME=/usr/java/latest
export EC2_PRIVATE_KEY=/root/.ec2/pk-XXXXXXXXXXX.pem
export EC2_CERT=/root/.ec2/cert-XXXXXXXXXXXX.pem
export EC2_HOME=/usr/local/ec2/apitools
PATH=$PATH:$HOME/bin:$EC2_HOME/bin
MAX_TRIES=60


# start/stop functions for OS


start(){
       INSTANCE=`curl http://169.254.169.254/latest/meta-data/instance-id 2> /dev/null`
       CTR=0
       #/bin/echo "Mounting Elastic Block Store Volumes."
       echo -n $"Mounting Amazon EBS Volume $MOUNT_POINT: "
       ec2-attach-volume $VOL -i $INSTANCE -d $DEV
       while [ ! -e "$DEV" ]; do
               /bin/sleep 1
               CTR=`expr $CTR + 1`
               if [ $CTR -eq $MAX_TRIES ]
               then
                       /bin/echo "WARNING: Cannot attach volume $VOL to $DEV -- Giving up after $MAX_TRIES attempts"
                       exit 1
               fi
       done
       if [ ! -d $MOUNT_POINT ]; then
               mkdir $MOUNT_POINT
       fi
       /bin/mount $DEV $MOUNT_POINT
       touch "/var/lock/subsys/$SCRIPT_NAME"
}


stop(){
       #/bin/echo "Unmounting Elastic Block Store Volumes."
       echo -n $"UnMounting Amazon EBS Volume: "
       /bin/umount $MOUNT_POINT
       ec2-detach-volume $VOL
       rm -f "/var/lock/subsys/$SCRIPT_NAME"
}

case "$1" in

start)
start
;;

stop)
stop
;;
restart)
stop
sleep 5
start
;;
*)
echo "Usage: $0 {start|stop|restart}"
exit 1

esac

exit 0