cloudstack/scripts/storage/zfs/iscsi/createdatadisk.sh
Manuel Amador (Rudd-O) 05c020e1f6 Source code committed
2010-08-11 09:13:29 -07:00

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#!/usr/bin/env bash
# $Id: createdatadisk.sh 9132 2010-06-04 20:17:43Z manuel $ $HeadURL: svn://svn.lab.vmops.com/repos/vmdev/java/scripts/storage/zfs/iscsi/createdatadisk.sh $
# createdatadisk.sh -- create a thin-provisioned data disk
#
usage() {
printf "Usage: %s: -i <instance-fs> -s <disk size in GB>\n" $(basename $0) >&2
}
#set -x
iflag=
sflag=
cflag=
disknum=
datadisk=
while getopts 'i:s:c:' OPTION
do
case $OPTION in
i) iflag=1
instancefs="$OPTARG"
;;
c) cflag=1
disknum="$OPTARG"
datadisk="datadisk-$disknum"
;;
s) sflag=1
diskfs=""
disksize="$OPTARG"
;;
?) usage
exit 2
;;
esac
done
if [ "$iflag$sflag$cflag" != "111" ]
then
usage
exit 2
fi
if [ ${instancefs:0:1} == / ]
then
instancefs=${instancefs:1}
fi
if [ -n "$disksize" ]
then
suffix=${disksize:(-1)}
echo $suffix
case $suffix in
G)
;;
[0-9]) disksize=${disksize}G
;;
*) printf "Error in disk size: expect G as a suffix or no suffix\n"
exit 2
;;
esac
fi
if [ -n "$disksize" ]
then
zfs create -V $disksize -s $instancefs/$datadisk #-s for sparse
rc=$?
fi
if [ $rc -gt 0 ]
then
printf "Failed to create data disk $instancefs/$datadisk\n" >&2
exit 6
fi
exit 0