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Date:      Fri, 21 Apr 2000 11:06:08 -0700 (PDT)
From:      "Jon O @ kc" <jono@microshaft.org>
To:        freebsd-questions@freebsd.org
Subject:   DLT Tape crashing me?
Message-ID:  <Pine.BSF.4.10.10004211031480.99078-100000@stuart.microshaft.org>

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My file server crashed yesterday and I'm trying to prevent it from
happenning again. This is what I know so far.

Here's some output from dmesg:

Waiting 10 seconds for SCSI devices to settle
sa0 at ncr1 bus 0 target 6 lun 0
sa0: <QUANTUM DLT7000 2255> Removable Sequential Access SCSI-2 device 
sa0: 20.000MB/s transfers (10.000MHz, offset 15, 16bit)

That's all well and good, but right before the machine crashed (locked up)
I started getting some of these messages:

(sa0:ncr1:0:6:0): SPACE. CDB: 11 3 0 0 0 0 
(sa0:ncr1:0:6:0): BLANK CHECK asc:0,5
(sa0:ncr1:0:6:0): End-of-data detected
(sa0:ncr1:0:6:0): SPACE. CDB: 11 3 0 0 0 0 
(sa0:ncr1:0:6:0): BLANK CHECK asc:0,5
(sa0:ncr1:0:6:0): End-of-data detected
(sa0:ncr1:0:6:0): SPACE. CDB: 11 3 0 0 0 0 
(sa0:ncr1:0:6:0): BLANK CHECK asc:0,5
(sa0:ncr1:0:6:0): End-of-data detected
(sa0:ncr1:0:6:0): SPACE. CDB: 11 3 0 0 0 0 
(sa0:ncr1:0:6:0): BLANK CHECK asc:0,5
(sa0:ncr1:0:6:0): End-of-data detected

Furthermore, I have a perl script that fires up every night to run the
backup which may have attempted to write to this SCSI device.
3.3-RELEASE FreeBSD 3.3-RELEASE




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