We have a problem trying to write files to tape on our Linux server. We keep
getting data sense errors when after it has listed about seven files. 
This is the first time we are trying to do backups and the problem is
occuring on two identical machines, which makes me think it is set up wrong.

Config of server :
Intel white box server SC5000
L440GX+ Motherboard with 2 channel on-board AIC-7896 controllers
dpt_i2o Dual Channel Raid controller ASR3200S
Seagate DDS-4 Dat Tape STD2401LW-S
RH 6.2 Kernal 2.2.14-5.0smp

Linux boots fine and everything runs fine, the problem arises when we try to
write to the Dat tape.

Using the commands like

#mt -f /dev/st0 status
SCSI 2 tape drive:
File number=0, block number=0, partition=0
Tape block size 512 bytes. Density code 0x25 (DDS-3)
Soft error count since last status=0
General status bits on (41010000):
 BOT ONLINE IM_REP_EN

everything looks ok.

We have looked in /proc/scsi/aic7xxx and everything looks fine. Yet you
enter the command "tar cvf /dev/st0 /boot/*" it list seven file names then
gives the error:

st0: Error with sense data: [valid=0] Info fld=0x0, Current st09:00: sense
key Aborted Command
Additional sense indicates Scsi parity error
tar: /dev/st0: Cannot write: Input/ouput error
tar: Error is not recoverable: exiting now


The session now justs hangs.

Any help would be appreciated.

Thanks

Andy


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