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Date:      Wed, 10 Dec 1997 10:18:24 -0500 (EST)
From:      jack <jack@germanium.xtalwind.net>
To:        questions@freebsd.org
Subject:   SCSI tape woes
Message-ID:  <Pine.BSF.3.96.971210095235.4968A-100000@germanium.xtalwind.net>

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On a 2.2.1-RELEASE system with a 

(aha0:4:0): "CONNER CTMS 3200 7.10" type 1 removable SCSI 2 
st0(aha0:4:0): Sequential-Access density code 0x0, drive empty

attempts to dump to a 2 gig native tape blows up with `DUMP: End of tape
detected' at about 200 - 300 meg into the job.  Then the

st0(aha0:4:0): HARDWARE FAILURE info:20800 asc:80,85 Vendor Specific ASC
st0(aha0:4:0): HARDWARE FAILURE asc:80,85 Vendor Specific ASC
st0(aha0:4:0): HARDWARE FAILURE asc:80,9c Vendor Specific ASC 

messages begin to rain down.

I can take the same tape, stick it in a 2.2.5-RELEASE box with a 

(ahc0:4:0): "CONNER CTT8000-S 1.17" type 1 removable SCSI 2 
st0(ahc0:4:0): Sequential-Access density code 0x45, drive empty

and dump 1.6GB to it.

I've tried using the `a' and `B 2000000' options to dump with no avail.
Even after writing the tape on the second machine, which I assume would
remove any bogus EOM marks, the results are the same.

I REALLY need to back that first box up.  Any suggestions, short of
swapping tape drives?

--------------------------------------------------------------------------
Jack O'Neill                    Finger jacko@diamond.xtalwind.net or  
jack@xtalwind.net               http://www.xtalwind.net/~jacko/pubpgp.html
#include <std_disclaimers.h>    for my PGP key.
 PGP Key fingerprint = F6 C4 E6 D4 2F 15 A7 67   FD 09 E9 3C 5F CC EB CD
            enriched, vcard, HTML messages > /dev/null
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