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Date:      Wed, 10 Dec 1997 22:58:30 -0600
From:      Allan Alford <aa@jump.net>
To:        freebsd-hardware@FreeBSD.ORG
Cc:        freebsd-scsi@FreeBSD.ORG
Subject:   Re: Wangtek 51000HT 1/4"  SCSI-2 QIC 1000
Message-ID:  <348F72F6.6B37@jump.net>
References:  <348F0FB9.C6C@jump.net> <19971211011508.60795@uriah.heep.sax.de>

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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.

> > Dumping a 496meg file system reports that I need 10.2 tapes!
> 
> Dumps defaults are stupid.  Use `dump -a' instead (but beware, EOF
> detection is currently broken, there's an open PR for this).

Other folks recommended this strategy.  I will try this one in the
morning.

Thank you all for your help.

Also, Joerg, since you seem to know the particular device, I have one
last
question:

The docs indicate that I can jump the 51000HT to be either SCSI-1 or
SCSI-2
and yet the jumper maps show no such jumper.  Currently, I'm SCSI 1.  Do
you know how to set this?

= allan



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