I am trying to setup bacula to work with my IBM Ultrium 2 3580 tape drive.
When I run the btape utility the it makes it through the "Write, rewind, and
re-read test", but fails on the "Write, rewind and position test". The block
size it set to 0 for variable block size. Does anyone know what I can try to
get this to work properly? The bacula documentation lists IBM 3580 as being
compatible with bacula. If I understand the output correctly it seems like the
btape utility is trying to position the tap at block 1000, but if I do a mt -f
/dev/IBMtape0n tell it seems like the tape is at block 1001.
=== Write, rewind, and position test ===
I'm going to write 1000 records and an EOF
then write 1000 records and an EOF, then rewind,
and position to a few blocks and verify that it is correct.
Section of btape that failed:
This is an *essential* feature ...
btape: btape.c:937 Wrote 1000 blocks of 64412 bytes.
btape: btape.c:499 Wrote 1 EOF to "Drive-0" (/dev/IBMtape0n)
btape: btape.c:953 Wrote 1000 blocks of 64412 bytes.
btape: btape.c:499 Wrote 1 EOF to "Drive-0" (/dev/IBMtape0n)
btape: btape.c:962 Rewind OK.
Reposition to file:block 0:4
Block 5 re-read correctly.
Reposition to file:block 0:200
Block 201 re-read correctly.
Reposition to file:block 0:999
Block 1000 re-read correctly.
Reposition to file:block 1:0
btape: btape.c:1004 Reposition error.
*
bacula-sd.conf
Autochanger {
Name = Autochanger
Device = Drive-0
# Device = Drive-2
Changer Command = "/etc/bacula/mtx-changer %c %o %S %a %d"
Changer Device = /dev/sg6
}
Device {
Name = Drive-0 #
Drive Index = 0
Media Type = Ultrium-2 LTO
Device Type = Tape
Archive Device = /dev/IBMtape0n
AutomaticMount = yes; # when device opened, read it
AlwaysOpen = yes;
RemovableMedia = yes;
RandomAccess = no;
AutoChanger = yes
# # Enable the Alert command only if you have the mtx package loaded
Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"
# If you have smartctl, enable this, it has more info than tapeinfo
# Alert Command = "sh -c 'smartctl -H -l error %c'"
}
mt -f /dev/IBMtape0n status
drive type = Generic SCSI-2 tape
drive status = 1107296256
sense key error = 0
residue count = 0
file number = -1
block number = 1001
Tape block size 0 bytes. Density code 0x42 (unknown).
Soft error count since last status=0
General status bits on (1000000):
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