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Date:      Tue, 29 Aug 2000 13:00:40 +0930
From:      Greg Lehey <grog@lemis.com>
To:        Matthew Jacob <mjacob@feral.com>
Cc:        Sam <freep@thecity.sfsu.edu>, freebsd-scsi@FreeBSD.ORG
Subject:   Re: "tape is now frozen"
Message-ID:  <20000829130040.Q11422@wantadilla.lemis.com>
In-Reply-To: <Pine.BSF.4.10.10008081636150.87492-100000@beppo.feral.com>; from mjacob@feral.com on Tue, Aug 08, 2000 at 04:39:03PM -0700
References:  <20000809090336.F13974@wantadilla.lemis.com> <Pine.BSF.4.10.10008081636150.87492-100000@beppo.feral.com>

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On Tuesday,  8 August 2000 at 16:39:03 -0700, Matt Jacob wrote:
>>
>> Indeed, it looks like he omitted the message that we most wanted to
>> see.
>>
>> Let me repeat here that I find this *very* irritating.  It happens,
>> for example, if I try to read a block which is too long.  There's no
>> way to know the length of a tape block in advance, so this is
>> relatively easy to get, particularly with DDS-4 drives, and it
>
> This error should not occur if you're in variable block mode. If you
> set the drive in fixed block mode and read a block that's too large,
> the tape driver cannot know where the tape heads are located. It's
> that simple.

It's not that simple.  If it happens in the middle of the tape, I need
to rewind the bloody thing to recover.  At least an fsf or bsf should
be sufficient.

Greg
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