[Scottish] Re: parity errors on scsi tape drive

[Tam McLaughlin]

On Wednesday 04 Feb 2004 6:03 am, Buddhika Karunatilake wrote:
> Dear Tam McLaughlin,
>
> I am facing the SAME issue. I'm having an Adaptec
> 39160 SCSI card with an attached AIT100 tape drive.
> When I start tape transfers, above mentioned parity
> error occurs.
>
> I have tested the equipment and they seem to be
> properly contacted.
>
> Using Redhat Advanced Server 2.1
>
> If you have solved this issue, pls. let me know the
> solution.In addition, were you able to find a source
> code implementation of the above driver. My kernel
> version is 2.4.9-e.27smp and www.adaptec.com doesn't
> seem to have the binary driver objects for this kernel
> version. I thought of compiling it from source. But
> couldn't find one.
>
> Thanks in advance
>
> Buddhika


Hi, 
We replaced the DAT drive and errors dissapeared.
From what I remember, the hardware was covered under maintenance and an 
engineer look at the DAT drive but was not sure what was wrong and replaced 
the drive.
Sorry I can't be more helpfull.


>
>
>
> Tam McLaughlin  scottish at mailman.lug.org.uk
> Wed Jun 25 08:51:00 2003
>
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>
> Hi, I have started to get the following intermittent
> error in the syslog when
> doing a backup to an external SCSI 20/40Gb DAT drive
> which has sometimes
> caused the server to hang.
>
> kernel: st0: Error 70002 (sugg. bt 0x0, driver bt 0x0,
> host bt 0x7).
>  Jun 24 20:30:27 moon
> kernel: (scsi1:A:6:0): parity error detected in
> Data-in phase. SEQADDR(0x1a3)
>
> I have checked the external SCSI cable and the cable
> from the external SCSI
> connector which is connected the the internal SCSI
> card. I have also checked
> the termination which is set to automatic (IIRC) and
> the DAT drive has been
> terminated.
> The SCSI card is an adaptec AIC7899 ultra160 wide with
> an HP 20/40 Gb DAT
> drive running Linux Mandrake 8.1
>
> I have searched around and not found much on this
> apart from the fact that it
> could be a cable problem.
>
> Does anyone have any ideas or suggestions about this?
>
>
>
>
>
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