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Date:      Tue, 22 Aug 2000 19:43:47 -0700
From:      "Sam" <freep@thecity.sfsu.edu>
To:        <freebsd-scsi@freebsd.org>, <freebsd-questions@freebsd.org>
Subject:   Tape problems.
Message-ID:  <NCBBJPDLBJCLBBFADHOMEEAGDHAA.freep@thecity.sfsu.edu>

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Right now we are using a Tekram DC-315U SCSI Adapter with an HP SureStore
24I tape drive. We are currently trying to figure out where our problems are
emanating from (be it the driver, our misconfiguration, or the hardware).
The problem is that whenever we attempt to use 'dump -0au -h 0 -d 61000 -f
/dev/nrsa0 /home' and it reaches the end of the tape, it does not prompt for
a new tape, instead it freezes the tape and gives us the following error:

  DUMP: write error 3725120 blocks into volume 1

and this in /var/log/messages (nothing relevant has been omitted):

Aug 14 20:08:55 sol /kernel: (sa0:tekram_trm0:0:3:0): failed to write
terminating f
ilemark(s)
Aug 14 20:08:56 sol /kernel: (sa0:tekram_trm0:0:3:0): tape is now frozen-
use an OF
FLINE, REWIND or MTEOM command to clear this state.

In addition to this problem we cannot use restore on archives that we have
dumped without specifying the tape density to dump (-d 61000). It may be
noted that the drivers for our Tekram DC-315U SCSI Adapter are not part of
the FreeBSD kernel, but Tekram provides a patch to the kernel source on
their website.

We can backup fine under Windows with the same hardware, and we have tried
both FreeBSD 3.5-STABLE and 4.1-STABLE. We are really enjoying using
FreeBSD, and would hate for a problem like this to force us to use that
other open-source operating system.

Any input would be greatly appreciated.

Free Print Shop
3145 23rd St
San Francisco, 94110
Phone: 415.648.3222
Fax: 415.648.4466
Website: http://freeprintshop.org




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