From owner-freebsd-hackers Fri Aug 25 11:57:45 2000 Delivered-To: freebsd-hackers@freebsd.org Received: from post.mail.nl.demon.net (post-11.mail.nl.demon.net [194.159.73.21]) by hub.freebsd.org (Postfix) with ESMTP id 62D7A37B422 for ; Fri, 25 Aug 2000 11:57:43 -0700 (PDT) Received: from [212.238.54.101] (helo=freebie.demon.nl) by post.mail.nl.demon.net with smtp (Exim 3.14 #4) id 13SOfa-000D8C-00; Fri, 25 Aug 2000 18:57:39 +0000 Received: (from wkb@localhost) by freebie.demon.nl (8.9.3/8.9.3) id UAA01509; Fri, 25 Aug 2000 20:57:54 +0200 (CEST) (envelope-from wkb) Date: Fri, 25 Aug 2000 20:57:54 +0200 From: Wilko Bulte To: Christoph Kukulies Cc: hackers@freebsd.org Subject: Re: tape buffer size - scsi Message-ID: <20000825205754.E605@freebie.demon.nl> References: <200008250852.KAA69212@gilberto.physik.rwth-aachen.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2i In-Reply-To: <200008250852.KAA69212@gilberto.physik.rwth-aachen.de>; from kuku@gilberto.physik.rwth-aachen.de on Fri, Aug 25, 2000 at 10:52:49AM +0200 X-OS: FreeBSD 4.1-STABLE X-PGP: finger wilko@freebsd.org Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Fri, Aug 25, 2000 at 10:52:49AM +0200, Christoph Kukulies wrote: > Sorry, I posted this already in 'questions' but since it is very urgent to > my tape read back withing the next couple of hours I'm posting my plea > here also: > > > I'm trying to read a DAT tape with important backup data. > The device is a DEC TLZ04. > sa0 at ncr0 bus 0 target 4 lun 0 > sa0: Removable Sequential Access SCSI-2 device > sa0: 3.300MB/s transfers > > When trying to read it (tar tvf /dev/rsa0) I'm getting a kernel message: > > (sa0:ncr0:0:4:0): 132497-byte tape record bigger than suplied buffer > > Any ideas? The tape has probably been written by a non-FreeBSD machine. Like an SGI or something like that. They can do much larger blocksizes. I think FreeBSD is limited to 64k (??). W/ -- Wilko Bulte wilko@freebsd.org Arnhem, the Netherlands To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message