[stgt] Trouble with CA Arcserve and tgt virtual tape

[Gabriele Mailing]

Hello to the list,

I'm using Debian Squeeze, and succesfully setup a single Ultrium LTO3
virtual tape.
Connecting via iscsi to the Debian hosts from ubuntu, /dev/st0 is usable
and works prefectly.

Connecting from a Win2k3 host, the device is correctly detected, the
drivers are installed and the tape drive appears in device manager.
Unfortunately, the native windowze backup can't use iscsi targets.

In CA ArcServe 11.5 sp4 and 12 sp1, the tape drive  is detected, I can
format the virtual tape.
But when I start a backup, ArcServe fails the job giving the error

E3895 2011-11-14 22:12:02 Unable to position media. (MEDIA=VIRT01 [S/N:
], ID=356C, SEQ=1, EC=CONTROLLER FAILURE or HARDWARE ERROR)

On the Debian hosts, syslog shows repeated multiple times:

Nov 14 22:16:23 marstor01 tgtd: tape_rdwr_request(604) io error
0x21993d0 11 0 0 0, Success

Suggestione on how to investigate this problem ?
Feel free to ask me further data ...

-- 
Gabriele
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