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Message-ID:	<3BBACD76.7B5AA432@iee.org>
Date:	Wed, 03 Oct 2001 09:33:58 +0100
From:	Don Sharp <dwsharp AT iee DOT org>
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To:	Wim Versteeg <willem DOT versteeg AT rug DOT ac DOT be>
CC:	cygwin AT cygwin DOT com
Subject:	Re: Acces tape-unit with cygwin
References:	<3BB93638 DOT 6CF30FA8 AT rug DOT ac DOT be> <3BBA2135 DOT DCA2ED72 AT iee DOT org> <3BBA1985 DOT 1E77F908 AT rug DOT ac DOT be>

Wim Versteeg wrote:
> 
> Don,
> 
> Thanks for your quick reply. But unfortunately I can't find this tape-device
> (tape0) in de cygwin-directory or other dir's. Do I need to do an extra
> installation. Please could you inform me how to install/detect this tape-unit?
> 

Cygwin works device magic via the registry mount table. Once you have
done the mount, any reference to the device name, e.g. /dev/st0, is
directed to the tape device that you mounted. The mount only has to be
done once and you may thereafter refer to the device. The choice of name
for the device is up to you. For example one of my machines has two tape
drives and they are mounted as

mount -f -s -b "//./tape0" "/dev/st0"
mount -f -s -b "//./tape0" "/dev/nst0"
mount -f -s -b "//./tape1" "/dev/nrmt0"
mount -f -s -b "//./tape1" "/dev/rmt0"

Cheers

Don Sharp

> Regards, Wim
> 
> Don Sharp wrote:
> >
...snip...
> >
> > You need to mount the tape decice(s) like
> >
> > mount -f -s -b "//./tape0" "/dev/st0"
> > mount -f -s -b "//./tape0" "/dev/nst0"
> >
> > Notice the norewind version above
> >
> > You can now use
> >
> > dd if=/dev/st0 bs=tape_block_size > file_on_disc
> > tar tf /dev/st0
> >
> > and
> >
> > mt -f /dev/nst0 fsf 1
> >
> > I hope that helps.
> >
> > > Regards, Wim Versteeg
> > >
> > >
> > Cheers
> >
> > Don Sharp
> 
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