From owner-freebsd-current Thu Dec 26 10:40:39 1996 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.4/8.8.4) id KAA02067 for current-outgoing; Thu, 26 Dec 1996 10:40:39 -0800 (PST) Received: from irz301.inf.tu-dresden.de (irz301.inf.tu-dresden.de [141.76.1.11]) by freefall.freebsd.org (8.8.4/8.8.4) with SMTP id KAA02051 for ; Thu, 26 Dec 1996 10:40:34 -0800 (PST) Received: from sax.sax.de (sax.sax.de [193.175.26.33]) by irz301.inf.tu-dresden.de (8.6.12/8.6.12-s1) with ESMTP id TAA23985 for ; Thu, 26 Dec 1996 19:40:32 +0100 Received: (from uucp@localhost) by sax.sax.de (8.6.12/8.6.12-s1) with UUCP id TAA16425 for freebsd-current@FreeBSD.org; Thu, 26 Dec 1996 19:40:31 +0100 Received: (from j@localhost) by uriah.heep.sax.de (8.8.4/8.6.9) id TAA03226 for freebsd-current@FreeBSD.org; Thu, 26 Dec 1996 19:27:12 +0100 (MET) From: J Wunsch Message-Id: <199612261827.TAA03226@uriah.heep.sax.de> Subject: Re: DAT: reading with blocksize=256K To: freebsd-current@FreeBSD.org (FreeBSD-current users) Date: Thu, 26 Dec 1996 19:27:11 +0100 (MET) Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) In-Reply-To: <199612261814.UAA03704@cantina.clinet.fi> from Heikki Suonsivu at "Dec 26, 96 08:14:02 pm" X-Phone: +49-351-2012 669 X-PGP-Fingerprint: DC 47 E6 E4 FF A6 E9 8F 93 21 E0 7D F9 12 D6 4E X-Mailer: ELM [version 2.4ME+ PL17 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-current@FreeBSD.org X-Loop: FreeBSD.org Precedence: bulk As Heikki Suonsivu wrote: > I have been able to read my old backups written with 1024k blocksize. They > secret was to use ddd instead of dd. This must be unrelated to the other problem. If they were written with 1024 K blocksize on a FreeBSD machine, they were actually written with 64 KB instead. The limit is in physio(9) (UTSL), and could not be changed by whatever trickery from a userland program. -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)