From owner-freebsd-questions@FreeBSD.ORG Thu May 24 16:07:26 2007 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 57CCD16A474 for ; Thu, 24 May 2007 16:07:26 +0000 (UTC) (envelope-from jerrymc@gizmo.acns.msu.edu) Received: from gizmo.acns.msu.edu (gizmo.acns.msu.edu [35.8.1.43]) by mx1.freebsd.org (Postfix) with ESMTP id 1AE5113C447 for ; Thu, 24 May 2007 16:07:26 +0000 (UTC) (envelope-from jerrymc@gizmo.acns.msu.edu) Received: from gizmo.acns.msu.edu (localhost [127.0.0.1]) by gizmo.acns.msu.edu (8.13.6/8.13.6) with ESMTP id l4OG3Qaw004824; Thu, 24 May 2007 12:03:26 -0400 (EDT) (envelope-from jerrymc@gizmo.acns.msu.edu) Received: (from jerrymc@localhost) by gizmo.acns.msu.edu (8.13.6/8.13.6/Submit) id l4OG3QQI004823; Thu, 24 May 2007 12:03:26 -0400 (EDT) (envelope-from jerrymc) Date: Thu, 24 May 2007 12:03:26 -0400 From: Jerry McAllister To: Jason Lixfeld Message-ID: <20070524160326.GE4322@gizmo.acns.msu.edu> References: <28E0DBBA-BB24-4D6B-AE65-07EB5254025C@lixfeld.ca> <23E233D0-EBD1-4779-8334-8124031CDD64@lafn.org> <031D3633-5CE3-4962-961A-F879C3CF1949@lixfeld.ca> <200705240716.l4O7GUAh042454@banyan.cs.ait.ac.th> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.2i Cc: freebsd-questions@freebsd.org Subject: Re: Backup advice X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 24 May 2007 16:07:26 -0000 On Thu, May 24, 2007 at 03:20:28AM -0400, Jason Lixfeld wrote: > > On 24-May-07, at 3:16 AM, Olivier Nicole wrote: > > >>2 x system space would be enough for a full dump plus plenty of > >>increments, I'd say. No? Is there a rule of thumb? 3x? 4x? > > > >That depends how much your file system change. If every ficle change > >befor the incremental run, dump 1 will be equal to dump 2, and 2x will > >be enough for just dump0 and dump 1. > > > >There is no rule. > > How would one go about gauging their system for the number of file > system changes to determine a suitable amount of backup space? To some extent, you must know how you use the system. After that, it is just a matter of experience with that system. After you have done this dump cycle a few times you will begin to see a pattern. ////jerry > > >Olivier > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org"