[Bacula-users] btape test error on (supported) QUANTUM DLT8000

Hello bacula-users!

I am having a rather unpleasant experience... I am trying to get bacula working with a QUANTUM DLT8000 tape drive that, besides being an old drive model, is a brand-new device, with only some hours of uptime right now (box was originally opened by me for this specific application).

I searched the list archives and bug database for some light, but it seems no one has reported such condition with this tape drive.

I load the drive with a used DLT-IV tape, and run btape as described in the docs. It all goes fine until:

---------------
=== Append files test ===

This test is essential to Bacula.

I'm going to write one record in file 0,
                   two records in file 1,
             and three records in file 2

btape: btape.c:475 Rewound "DLT8000" (/dev/nst0)
btape: btape.c:1577 Wrote one record of 64412 bytes.
btape: btape.c:1579 Wrote block to device.
btape: btape.c:505 Wrote 1 EOF to "DLT8000" (/dev/nst0)
btape: btape.c:1577 Wrote one record of 64412 bytes.
btape: btape.c:1579 Wrote block to device.
btape: btape.c:1577 Wrote one record of 64412 bytes.
btape: btape.c:1579 Wrote block to device.
btape: btape.c:505 Wrote 1 EOF to "DLT8000" (/dev/nst0)
btape: btape.c:1577 Wrote one record of 64412 bytes.
btape: btape.c:1579 Wrote block to device.
btape: btape.c:1577 Wrote one record of 64412 bytes.
btape: btape.c:1579 Wrote block to device.
btape: btape.c:1577 Wrote one record of 64412 bytes.
btape: btape.c:1579 Wrote block to device.
btape: btape.c:505 Wrote 1 EOF to "DLT8000" (/dev/nst0)
29-Dec 13:59 btape: Fatal Error at btape.c:368 because:
dev open failed: dev.c:432 Unable to open device "DLT8000" (/dev/nst0): ERR=\
Input/output error

Append test failed. Attempting again.
Setting "Hardware End of Medium = no
    and "Fast Forward Space File = no
and retrying append test.

=== Append files test ===

This test is essential to Bacula.

I'm going to write one record in file 0,
                   two records in file 1,
             and three records in file 2

29-Dec 13:59 btape: ABORTING due to ERROR in dev.c:723
dev.c:722 Bad call to rewind. Device "DLT8000" (/dev/nst0) not open
29-Dec 13:59 btape: Fatal Error because: Bacula interrupted by signal 11: Se\
gmentation violation
Kaboom! btape, btape got signal 11 - Segmentation violation. Attempting trac\
eback.
Kaboom! exepath=/usr/local/src/bacula-2.4.3/src/stored
Calling: /usr/local/src/bacula-2.4.3/src/stored/btraceback /usr/local/src/ba\
cula-2.4.3/src/stored/btape 28828
Traceback complete, attempting cleanup ...
--------------

And the device goes offline, with the green "Operate Handle" LED on. The only way to get the drive back into ready mode is to remove and re-insert the cartige. I don't know if the traceback should be necessary, but as I didn't receive the email, I will have to check system config to be able to get it.

It is very hard to find new DLT-IV tapes where I am located, so, I haven't tried using a new one to see if the problem persists. I do have a spare one if needed.

Drive is a QUANTUM DLT8000, External operating on a DIFF SCSI connection. The adaptor shows as

------------
00:09.0 SCSI storage controller: Adaptec AHA-2940U/UW / AHA-39xx / AIC-7895 (rev 04)
------------

and a tapeinfo results in

-------------
livia:/dev# tapeinfo -f /dev/.static/dev/sg0
Product Type: Tape Drive
Vendor ID: 'QUANTUM '
Product ID: 'DLT8000         '
Revision: '0250'
Attached Changer: No
SerialNumber: 'DFF43P5078'
MinBlock:2
MaxBlock:16777214
SCSI ID: 5
SCSI LUN: 0
Ready: yes
BufferedMode: yes
Medium Type: 0x85
Density Code: 0x41
BlockSize: 0
DataCompEnabled: no
DataCompCapable: yes
DataDeCompEnabled: yes
CompType: 0x10
DeCompType: 0x10
BOP: yes
Block Position: 0
-------------

Operating system is a standard-kernel Debian Etch (4.0) with all the lastest kernel updates, uname -a:

-------------
Linux livia 2.6.18-6-k7 #1 SMP Mon Oct 13 16:52:47 UTC 2008 i686 GNU/Linux
-------------

This problem occurs with the lastest stable bacula version (2.4..3) and 2.4.0.

Can anyone give me some hope? :)

Thanks!

Marco Poli

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