XENDELOCALSTORAGELVM

#USE IT IN COMMAND LINE (without #):
#curl http://pastebin.com/raw/48dj2Q4M > xendeletelocalsr.sh
#tr -d "\015" < xendeletelocalsr.sh > xendeletelocalsrnew.sh
#sh xendeletelocalsrnew.sh
#
#for host with small letters use: http://pastebin.com/raw/kVmvNtZM
#uuid pbd http://blog.gluster.org/2012/
sed -i -e "s/metadata_read_only = 1/metadata_read_only = 0/" /etc/lvm/lvm.conf
hname=`hostname`
hname=`echo $hname | tr [:lower:] [:upper:]`
sruuid=`xe sr-list host=$hname name-label=Local\ storage | cut -f20 -d" " | head -n 1`
pbduid=`xe pbd-list sr-uuid=$sruuid | grep -E '^uuid' | cut -f2 -d":" | sed 's/\ //g'`
xe pbd-unplug uuid=$pbduid
xe sr-forget uuid=$sruuid
#xe sr-destroy uuid=$sruuid
vgremove `vgdisplay -C | tail -n1 | cut -f3 -d' '` -f
dev4gfs=`pvdisplay -C | tail -n1 | cut -f3 -d' '`
pvremove $dev4gfs -f
pvcreate $dev4gfs
vgname=lvm4gfs
vgcreate $vgname $dev4gfs
lvcreate -L 8G -n xen $vgname
mkfs.ext4 -m 0 -j /dev/$vgname/xen
mkdir -p /export/$hname-vol0
#echo "/dev/$vgname/xen /export/$hname-vol0   ext4  rw,noatime,nodiratime,journal_checksum,data=journal,errors=panic,nodelalloc 1 2" >> /etc/fstab
echo "/dev/$vgname/xen /export/$hname-vol0   ext4  rw,noatime,nodiratime,user_xattr,barrier=0,data=ordered 1 2" >> /etc/fstab
mount -a