Commands
Finding the Auto-Loader Device
lsscsi -g
EXAMPLE:
[0:0:0:0] disk ATA ST4000VN008-2DR1 SC60 /dev/sda /dev/sg0
[1:0:0:0] disk ATA ST4000VN008-2DR1 SC60 /dev/sdb /dev/sg1
[4:0:0:0] disk ATA ST4000VN008-2DR1 SC60 /dev/sdc /dev/sg2
[5:0:0:0] disk ATA ST4000VN008-2DR1 SC60 /dev/sdd /dev/sg3
[9:0:0:0] tape HP Ultrium 6-SCSI 35PW /dev/st0 /dev/sg4
* USE THIS DEVICE WITH COMMAND mt
[9:0:0:1] mediumx HP 1x8 G2 AUTOLDR 5.10 /dev/sch0 /dev/sg5
* USE THIS DEVICE WITH COMMAND mtx
[10:0:0:0] disk Seagate BUP BK 0304 /dev/sde /dev/sg6
/dev/sg5 is the Auto-Loader Device itself, while /dev/sg4 is the tape
MT | Tape Commands
SHOW TAPE STATUS
mt -f /dev/st0 status
REWIND TAPE
mt -f /dev/st0 rewind
RETENSION TAPE
mt -f /dev/st0 retension
ERASE ENTIRE TAPE
mt -f /dev/st0 erase
GO FORWARD ONE SESSION MARK
mt -f /dev/nst0 fsf $mark
GO BACK ONE SESSION MARK
mt -f /dev/nst0 bsf $mark
SKIP TO END OF MARK (LAST DATA WRITTEN ON TAPE)
mt -f /dev/nst0 eom
MTX | Auto-Loader Commands
SHOW AUTO-LOADER INVENTORY STATUS
mtx -f /dev/sg5 status
LOAD SLOT X TAPE
mtx -f /dev/sg5 load $tape_number
UNLOAD SLOT X TAPE
mtx -f /dev/sg5 unload $tape_number
LOAD NEXT TAPE
mtx -f /dev/sg5 next
LOAD PREVIOUS TAPE
mtx -f /dev/sg5 previous
LOAD FIRST TAPE
mtx -f /dev/sg5 first
LOAD LAST TAPE
mtx -f /dev/sg5 last
MOVE TAPE FROM SLOT X TO Y
mtx -f /dev/sg5 transfer $x $y
SWAP TAPES FROM SLOTS X AND Y
mtx -f /dev/sg5 exchange $x $y
TAR | File Archive Commands
WRITE FILES TO CURRENT TAPE SESSION
tar cvf /dev/nst0 $FILENAME
APPEND FILES TO THE END OF CURRENT SESSION
tar rvf /dev/nst0 $FILENAME
LIST FILES FROM CURRENT SESSION
tar tvf /dev/nst0 $FILENAME
EXTRACT FILES FROM CURRENT SESSION
tar xvf /dev/nst0 $FILENAME
EXAMPLE: DELETING TAPES 1-4
declare -a tapes=("1" "2" "3" "4")
echo "Erasing and Re-Tensioning Tape."
for i in "${tapes[@]}"
do
echo "Loading Tape $i"
mtx -f /dev/sg5 load "$i"
echo "mt -f /dev/st0 rewind"
time mt -f /dev/st0 rewind
echo "mt -f /dev/st0 retension"
time mt -f /dev/st0 retension
echo "mt -f /dev/st0 erase"
time mt -f /dev/st0 erase
echo "mt -f /dev/st0 rewind"
time mt -f /dev/st0 rewind
echo "mt -f /dev/st0 status"
mt -f /dev/st0 status
echo "mtx -f /dev/sg5 unload"
mtx -f /dev/sg5 unload
echo "Done."
done