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Message-ID:	<3CCAAC81.926192B0@iee.org>
Date:	Sat, 27 Apr 2002 14:49:53 +0100
From:	Don Sharp <dwsharp AT iee DOT org>
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To:	gnuwin32 <cygwin AT cygwin DOT com>
Subject:	Re: Cygrunsrv and backups
References:	<229D7C0FE0BED311A0E800805F0DD471010D2DC0 AT wn01ex DOT wn DOT gb DOT solvay DOT com>

"Craveiro, Marco" wrote:
> 
> oh mate, thanks for that, could have saved me hours of digging -
> unfortunately i receive the cygwin digest at the end of the day :-( need to
> change that.
> 
> anyway, there's just one thing i dont understand on your script:
> 
>         mt -f /dev/nst0 tell
> 
> why do you need this?
> 

One doesn't strictly need it. I use it to tell me how near to a full
tape I am using so I reshuffle what goes on which tape when it proves
necessary.

A further point of note is that one should no longer do mounts of tape
devices. For a while now they have been automatically available as
/dev/[n]st[01..] if present on the system. Look it up in the archives
around early to mid-November last year.

Cheers

Don Sharp

> cheers!
> > -----Original Message-----
> > From: Don Sharp [SMTP:dwsharp AT iee DOT org]
> > Sent: 26 April 2002 06:09
> > To:   gnuwin32
> > Subject:      Re: Cygrunsrv and backups
> >
> > If you have experience of backing up using tar on Unix then you can do
> > the same with cygwin. Tape positioning with "mt" on the no-rewind
> > editions of the tape device (e.g. /dev/nst0).
> >
> > My backup script looks like
> >
> > #!/usr/bin/sh
> > mt -f /dev/nst0 status
> > echo "Archive T: starting at `date`"
> > cd /dost
> > tar cf /dev/nst0 *
> > mt -f /dev/nst0 tell
> > sleep 30
> > echo "Archive D: starting at `date`"
> > cd /cygdrive/d
> > tar cf /dev/nst0 *
> > mt -f /dev/nst0 tell
> > sleep 30
> > echo "Archive finished at `date`"
> > mt -f /dev/nst0 rewoffl
> >
> > The sleeps may not be necessary but I have had problems in the pass with
> > streaming tapes when I haven't include them.
> >
> > Hope that helps
> >
> > Don Sharp
> >

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