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Date:      Thu, 11 Dec 1997 14:00:11 +0800
From:      Greg Lehey <grog@lemis.com>
To:        Allan Alford <aa@jump.net>
Cc:        freebsd-hardware@FreeBSD.ORG, freebsd-scsi@FreeBSD.ORG
Subject:   Re: Wangtek 51000HT 1/4"  SCSI-2 QIC 1000
Message-ID:  <19971211140011.44835@lemis.com>
In-Reply-To: <348F72F6.6B37@jump.net>; from Allan Alford on Wed, Dec 10, 1997 at 10:58:30PM -0600
References:  <348F0FB9.C6C@jump.net> <19971211011508.60795@uriah.heep.sax.de> <348F72F6.6B37@jump.net>

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On Wed, Dec 10, 1997 at 10:58:30PM -0600, Allan Alford wrote:
> J Wunsch wrote:
>
>> How exactly do you do it?  It works for me.
>>
>
> I've been using the following syntax in my script:
>
> tar -cv /dev/nrst0 /foo
> tar -cv /dev/nrst0 /bar
> tar -cv /dev/nrst0 /foobar
>
> When I check the tape the next morning, I do:
>
> mt rewind
> (tape already seems to be rewound)
> tar -tv
> (yields the tar of foobar - the last from the list)
> mt fsf 1
> (nothing seems to happen)
> tar -tv
> (yields the tar of foobar - the last from the list)
>
> Is there a quicker way to test and make sure that the /nrst0 device
> really is no rewind?  Some way to copy something directly, perhaps?
>
> cpio, maybe?  I've only ever worked with DAT in the past and have
> never had these problems.

I do pretty much exactly this for my nightly backup, and it works
fine.  I'd guess that this is a driver bug, not a tar bug.

Greg



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