NetApp - Remove LUN mappings

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 #!/bin/bash

KEY_FILE="/root/.ssh/netapp.dsa"
SSH_OPTS="/root/.ssh/netapp-ssh_config"

if [ $# -ne 2 ] ; then
 echo "fas-remove-lunmap: FAS_CONTROLLER TARGET_IGROUP"
 echo
 echo "Remove every mapped lun from the target igroup (for example reinstallation)"
 echo
 echo "  Usage:"
 echo "    - FAS_CONTROLLER:   Hostname/IP-adress of the DATA ONTAP controller"
 echo "    - TARGET_IGROUP:    igroup that is actually modified"
 echo
 exit 1
fi

FAS_CTRL=$1
TARGET=$2

ssh_fas() {
 # $@: commands for Data ONTAP
 COMMANDS="$@"
 /usr/bin/ssh -i $KEY_FILE -l root -F $SSH_OPTS $COMMANDS
}

# Get the hostname of the controller, necessary for the reporting
CTRL_HOSTNAME="$( ssh_fas $FAS_CTRL rdfile /etc/rc | grep ^hostname | cut -d  -f2 | tr 'a-z' 'A-Z' )"

#set -x
# Get the lun list.
for lun in $( ssh_fas $FAS_CTRL lun show -g $SOURCE | awk '{ print $1 }' | sort -u ); do

  # If the LUN id is 0, skip otherwise we would remove the boot LUN
  if [ "$LUN_ID" != "0" ] ; then
    # Actually remove the mapping to our host
    echo "Removing $lun from $TARGET"
    ssh_fas $FAS_CTRL lun unmap $lun $TARGET
  fi
done
#set +x