lvcreate -L 30G -n local_iso `vgs|awk 'NR==2{print $1}'` --config global{metadata_read_only=0}
mkfs.ext4 /dev/`vgs|awk 'NR==2{print $1}'`/local_iso
echo '/dev/VG_XenStorage-8ecafaf4-c8dc-4d68-dd8a-3e4f71a9b448/iso_storage /iso_storage ext4 defaults 0 0' >>/etc/fstab
mkdir /iso_storage
mount -a
df -hP
xe sr-create name-label=iso_storage type=iso device-config:location=/iso_storage device-config:legacy_mode=true content-type=iso
xe-mount-iso-sr /iso_storage