[5529] in linux-scsi channel archive
Re: more on scsi tape failures
daemon@ATHENA.MIT.EDU (Kai Makisara)
Sat Jan 2 04:32:31 1999
Date: Sat, 2 Jan 1999 11:14:45 +0200 (EET)
From: Kai Makisara <makisara@metla.fi>
Reply-To: Kai.Makisara@metla.fi
To: James Rich <james@dansfoods.com>
cc: linux-scsi@vger.rutgers.edu, lnz@dandelion.com
In-Reply-To: <Pine.LNX.3.91.990101181223.8352A-100000@danix.dansfoods.com>
On Fri, 1 Jan 1999, James Rich wrote:
> On Sat, 2 Jan 1999, Guest section DW wrote:
>
> >
> > But this is a command to the disk that got the timeout. Strange..
> > [Maybe nothing is wrong with the disk, there never is...]
>
> Why is it attempting to reset the disk?? I am reading from the *tape drive*.
> Or is target 0 the host adapter? I'm assuming target 0 is the hard disk
> (SCSI ID 0).
>
The probable reason is that your tape drive does not disconnect from the
SCSI bus when rewinding. This prevents disk I/O on the bus and the disk
times out. There are many possible reasons why the tape does not
disconnect:
- disconnects are disabled either in the SCSI adapter configuration or
the drive configuration
- bug in the SCSI adapter firmware (see Leonard's message)
- bug somewhere else?
- SCSI cables/termination (not probable in your case)
- ?
Kai
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