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#!/bin/sh

MNT_PATH=$1

if [ -z "$MNT_PATH" ]
then
	echo "MNT_PATH is not set"
	exit
fi

DF_OUTPUT=$((df -h | grep $MNT_PATH) 2>&1)

if [[ "$DF_OUTPUT" != *"endpoint is not connected"* ]]
then
	exit;
fi

echo "NFS is unmounted"
echo "================"

echo "lazy unmounting $1..."
# lazy unmount
umount -l $1

echo "sleep...15"
# wait
sleep 15

echo "mount fstab"
# mount
mount -a

echo "done!"
echo "================"
df -h