Complete system backup using dump

Today i n installed a new linux server , and after setting my servers i take system backup on my dat by writing a shell script in follwoing way


root#vi sysbackup.sh

mt -f /dev/st0 rewind

dump -0uf /dev/nst0 /

dump -0uf /dev/nst0 /boot

dump -0uf /dev/nst0 /home

dump -0uf /dev/nst0 /opt

dump -0uf /dev/nst0 /tmp

dump -0uf /dev/nst0 /usr

dump -0uf /dev/nst0 /var

echo "Backup Completed!"
:wq

root# Now executing my script resulted in completed file system backup on tape.