Find and format new iscsi disk on vmware esx using esxcli command

sxiSL_51configure_iscsi_formatnewdatastoreonly.sh

#!/bin/sh

esxcli storage core path list | grep "Device:" | grep "naa" | awk '{print $2}' | sort > /tmp/2.txt
esxcli storage vmfs extent list | grep naa | awk '{print $4}' | sort > /tmp/1.txt
new_disk=`grep -v -f /tmp/1.txt /tmp/2.txt`

echo "Adding iSCSI datastore ${new_disk}"
if [[ ! -z $new_disk ]]; then
  echo "format and configure datastore"
  list=`ls /vmfs/devices/disks/naa* | grep -v ':'`
  list2=${list// /$'\n'}
  count=1
  for disk in $list2; do
    let count+=1
  done
  disk="/vmfs/devices/disks/${new_disk}"
  echo ${disk}
  disk_name="iscsiDataStore${count}"
  if [[ $# == 1 ]]; then
    disk_name=$1
  fi
  echo "new volume is ${disk_name}"

  partedUtil setptbl $disk gpt "1 2048 10000 AA31E02A400F11DB9590000C2911D1B8 0"  #format so disk is not unknown and then we can properly format
  temp=`partedUtil getUsableSectors $disk`
  endsector=${temp##* }
  partedUtil setptbl $disk gpt "1 2048 $endsector AA31E02A400F11DB9590000C2911D1B8 0"
  vmkfstools -C vmfs5 -S ${disk_name} $disk:1
fi

echo "Formatting of iSCSI LUNs complete.  iSCSI volumes are:"
ls /vmfs/volumes | grep iscsi