Chance:
Last night I finaly solved my SCSI DAT problem that I have had for 3
weeks. It ended up being a termination problem. My set is a Linux PII
(RH 5.0) with a HP C1557A Autochanger. Anyways 3 weeks ago my drive went
bad and as I was getting a replacement I thought I would and another disk
to system. In order to add the disk I needed to go external will all the
drives (disks only). Anyways moving from internal to external resulted in
different termination requirements (I think). When I go the new DAT drive
I put in and hooked up as before. After testing it out I noticed that I
could write to drive a block or 2 and then I would get a fatal error. Even
more wierd is that I could read previously written tapes, I would get
errors reading them, but I could still read them. I have a Mylex BT958
scsi host card. I don't know if this helps or not.
Sincerely,
---------------------------------------------------------------------------
Gerald J. Puhl ([EMAIL PROTECTED])
Systems Manager
J. P. Pattern Inc.
for more information about JP Pattern please visit our Web site at:
www.jppattern.com or www.execpc.com/~jppat
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On Wed, 19 May 1999, Chance Reschke wrote:
> Hi,
>
> We're having some trouble reading tapes from a SCSI DAT drive connected to
> a Linux box running a 2.2.8 kernel.
>
> The specs are:
>
> Adapter: Motherboard AIC-7880
> Tape Drive: SONY Model: SDT-7000
> SCSI Driver: AIC7xxx driver version: 5.1.10/3.2.4
>
> The st driver is loaded as a module. There is one other device on the bus
> with the DAT drive - a NEC CDROM drive. The Bus is terminated with an
> avtive terminator on the cable (cabling shipped that way from Dell - it's
> a Precision Workstation 610).
>
> We can write tapes, apparently without trouble. No error messages. But
> we can't verrify the contents of the tapes by reading them. When we try
> we get in /var/log/messages:
>
> May 17 16:37:11 ceres kernel: st0: Error with sense data: Current
> error st09:00 : sense key Medium Error
> May 17 16:37:11 ceres kernel: Additional sense indicates Medium
> format corrupted
>
> over and over again. From dmesg we get:
>
> st0: Error with sense data: Current error st09:00: sense key
> Medium Error Additional sense indicates Medium format corrupted
>
> over and over again.
>
> We've tried several differnt tapes from two different vendors. We have no
> other DAT drives with which to attempt to read the tape.
>
> Can anyone help?
>
> Thanks,
> Chance
>
>
>
>
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