From owner-freebsd-questions Thu Nov 5 22:04:03 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id WAA21159 for freebsd-questions-outgoing; Thu, 5 Nov 1998 22:02:10 -0800 (PST) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from dart.sr.se (dart.SR.SE [193.12.91.98]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id WAA21154 for ; Thu, 5 Nov 1998 22:02:08 -0800 (PST) (envelope-from gunnar@pluto.sr.se) Received: from honken.sr.se ([134.25.128.27]) by dart.sr.se (8.9.1/8.9.0) with ESMTP id HAA17726; Fri, 6 Nov 1998 07:01:50 +0100 (MET) Received: from pluto.sr.se (pluto.SR.SE [134.25.193.91]) by honken.sr.se (8.7.5/8.7.3) with ESMTP id HAA29116; Fri, 6 Nov 1998 07:01:49 +0100 (MET) Received: (from gunnar@localhost) by pluto.sr.se (8.8.8/8.8.8) id HAA16380; Fri, 6 Nov 1998 07:01:49 +0100 (CET) (envelope-from gunnar) Message-ID: <19981106070149.A16369@sr.se> Date: Fri, 6 Nov 1998 07:01:49 +0100 From: Gunnar Flygt To: David Wolfskill Cc: FreeBSD Questions Subject: Re: dump and Tandberg QIC drives Reply-To: flygt@sr.se References: <19981105230125.A15599@sr.se> <199811052244.OAA24386@pau-amma.whistle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Mailer: Mutt 0.93.2i In-Reply-To: <199811052244.OAA24386@pau-amma.whistle.com>; from David Wolfskill on Thu, Nov 05, 1998 at 02:44:57PM -0800 Sender: owner-freebsd-questions@FreeBSD.org Precedence: bulk X-Loop: FreeBSD.ORG On Thu, Nov 05, 1998 at 02:44:57PM -0800, David Wolfskill wrote: > >Date: Thu, 5 Nov 1998 23:01:25 +0100 > >From: Gunnar Flygt > > >Is there anyone out there familiar with dump? I have a Tandberg > >MLR-drive that installes beautifully by FreeBSD. The problem is with > >dump. It seems that it wasn't written for drives that can do 16GB on one > >tape. If I try to make a backup of 500MB I get a īcalculationī from dump > >that it should take 52.36 tapes to make this backup. So I changed the > >density parameter to the value given by Tandberg 67700BPI. I get a > >better value. Now I need only 2.54 tapes to make my backup. There is not > >enough parameter setting to use with big tapes, as far as I can see. The > >default tape length is 2300 feet. my tape is only 1500 feet, but can > >still host 16GB. > > Basically, you need to adjust the density & size parameters until dump > acts the way you want it to. (Either that, or use amanda, or send the > stdout of dump to a process (such as dd) that copies its stdin to tape). Actually I downloaded amanda, but as far as I understand it uses tar or dump to do the real work. Am I wrong? And is there some better documentation. I didn't get much with the port. -- __o regards, Gunnar ---_ \<,_ email: flygt@sr.se ---- (_)/ (_) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message