From owner-freebsd-current@FreeBSD.ORG Sat Jan 17 14:13:45 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id E142F16A4CE for ; Sat, 17 Jan 2004 14:13:44 -0800 (PST) Received: from critter.freebsd.dk (critter.freebsd.dk [212.242.86.163]) by mx1.FreeBSD.org (Postfix) with ESMTP id DFB1643D5D for ; Sat, 17 Jan 2004 14:13:38 -0800 (PST) (envelope-from phk@phk.freebsd.dk) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.12.10/8.12.10) with ESMTP id i0HMDWCf077606; Sat, 17 Jan 2004 23:13:33 +0100 (CET) (envelope-from phk@phk.freebsd.dk) To: Randy Bush From: "Poul-Henning Kamp" In-Reply-To: Your message of "Sat, 17 Jan 2004 22:11:01 GMT." Date: Sat, 17 Jan 2004 23:13:32 +0100 Message-ID: <77605.1074377612@critter.freebsd.dk> cc: FreeBSD Current Subject: Re: rewinding a disk drive takes too long X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 17 Jan 2004 22:13:45 -0000 In message , Randy Bush writes: >>>> How active was the file system that was being read by (r)dump? >>> not at all. it was a laptop with nothing active on it >>> except for the dump. >> OK; fair enough -- but I couldn't tell from your note, and "active file >> system" has been a plausible culprit in most such cases I've seen so >> far. >>> it did have X and gnome up. but it has 1gb ram, so should >>> not have been swapping or anything. >> :-) > >btw, what i forgot to say was > o source system is current as of yesterday > o dest system is stable as of today > o until the last upgrade to the stable dest, dump would never > complete! it always got to the same point, 86%, and then hung This is actually a pretty normal thing, dump is not very good at predicting the size of a dump if the filesystem is live (and I belive in a few other circumstances as well) Largest number I've seen recently was -250% :-) -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.