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Date:      Tue, 13 Apr 1999 09:53:25 +0200
From:      Uwe Laverenz <uwe.laverenz@difi.de>
To:        freebsd-stable@freebsd.org
Subject:   Problems with NCR, HP-DAT (DDS-3)
Message-ID:  <99041310303502.00318@edv1.difi.de>

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Hi all,

We have 2 HP DAT-Drives (HP C1537A) in our Dual-P II 350 machine (Tyan GX), 
which is running 3.1-stable (cvsupped on April 5). The drives are used for
regular backups, which are started by cron 5 days a week. Since last saturday
the backup fails with an I/O error (can't write to tape...).

The drives are connected to an Asus SC-200 controller with a Symbios
53c810a-chip. The problem occurs with tar, gtar and also with dump.
The problem does *not* occur when I use dd to write to the drives?!

The problem is reproduceable with both drives:

Apr 13 09:31:38 max /kernel: (sa0:ncr0:0:1:0): WRITE(06). CDB: a 0 0 28 0 0
Apr 13 09:31:38 max /kernel: (sa0:ncr0:0:1:0): ABORTED COMMAND asc:4b,0
Apr 13 09:31:38 max /kernel: (sa0:ncr0:0:1:0): Data phase error

Apr 13 09:40:05 max /kernel: (sa1:ncr0:0:2:0): WRITE(06). CDB: a 0 0 28 0 0
Apr 13 09:40:05 max /kernel: (sa1:ncr0:0:2:0): ABORTED COMMAND asc:4b,0
Apr 13 09:40:05 max /kernel: (sa1:ncr0:0:2:0): Data phase error

Thanks for your help!

Uwe


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