/etc/init.d/umountiscsi.sh is in open-iscsi 2.0.873-3ubuntu9.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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### BEGIN INIT INFO
# Provides: umountiscsi.sh
# Required-Start:
# Required-Stop: $network $remote_fs sendsigs open-iscsi
# Default-Start:
# Default-Stop: 0 1 6
# Short-Description: Unmounts iSCSI filesystems
# Description: Unmounts iSCSI filesystems
### END INIT INFO
. /lib/init/vars.sh
. /lib/lsb/init-functions
# Include defaults if available
if [ -f /etc/default/open-iscsi ]; then
. /etc/default/open-iscsi
fi
do_stop () {
log_daemon_msg "Unmounting iscsi-backed filesystems"
umount_fail=0
if [ $HANDLE_NETDEV -eq 1 ]; then
log_progress_msg "Unmounting all devices marked _netdev";
umount -a -O _netdev >/dev/null 2>&1
fi
# Now handle iSCSI LVM Volumes
if [ -n "$LVMGROUPS" ]; then
log_daemon_msg "Deactivating iSCSI volume groups"
for vg in "$LVMGROUPS"; do
log_progress_msg $vg
vgchange --available=n $vg
if [ $? -ne 0 ]; then
log_warning_msg "Cannot deactivate Volume Group $vg"
umount_fail=1
fi
done
log_end_msg 0
fi
for HOST_DIR in /sys/devices/platform/host*; do
if ! [ -d $HOST_DIR/iscsi_host* ]; then
continue
fi
for SESSION_DIR in $HOST_DIR/session*; do
if ! [ -d $SESSION_DIR/target* ]; then
continue
fi
for BLOCK_FILE in $SESSION_DIR/target*/*\:*/block/*; do
BLOCK_DEV=`echo "$BLOCK_FILE" | sed 's/.*block\///'`
DOS_PARTITIONS="`awk "/^\/dev\/$BLOCK_DEV/ { print \\$2; }" < /proc/mounts`"
for DEVICE in $DOS_PARTITIONS; do
#log_progress_msg $DEVICE
#echo $DEVICE
umount $DEVICE
exit_status=$?
if ! [ $exit_status -eq 0 ]; then
umount_fail=1
log_warning_msg "Could not unmount $DEVICE"
fi
done
done
done
done
if [ $umount_fail -ne 0 ]; then
log_end_msg 1
exit 1
else
log_end_msg 0
exit 0
fi
}
case "$1" in
start)
# No-op
;;
restart|reload|force-reload)
echo "Error: argument '$1' not supported" >&2
exit 3
;;
stop|"")
do_stop
;;
*)
echo "Usage: umountiscsi.sh [start|stop]" >&2
exit 3
;;
esac
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