From owner-freebsd-bugs@FreeBSD.ORG  Wed Dec 20 14:56:51 2006
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Date: Wed, 20 Dec 2006 15:17:41 +0100
From: Bernd Luevelsmeyer <bdluevel@heitec.net>
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Cc: freebsd-bugs@freebsd.org, FreeBSD-gnats-submit@freebsd.org
Subject: Re: bin/106973: 'tar' cannot read own tape, but 'pax' can
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mjacob@freebsd.org wrote:
> 
> Try using tar with a specified blocksize that's equal to the underlying
> h/w blocksize on the tape.

The tape's blocksize is 10 KB, which is tar's default anyway. I tried
various other blocksizes nevertheless, to no avail; except an error in
dmesg ("(sa0:ahc0:0:4:0): 10240-byte tape record bigger than supplied
buffer") for small blocksizes.

Greetings,
	Bernd