From owner-freebsd-stable@FreeBSD.ORG Tue Jan 2 21:36:35 2007 Return-Path: X-Original-To: stable@freebsd.org Delivered-To: freebsd-stable@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 0954D16A415 for ; Tue, 2 Jan 2007 21:36:35 +0000 (UTC) (envelope-from mike@jellydonut.org) Received: from mail2.secureworks.net (mail2.secureworks.net [65.114.32.154]) by mx1.freebsd.org (Postfix) with ESMTP id B1E1F13C468 for ; Tue, 2 Jan 2007 21:36:34 +0000 (UTC) (envelope-from mike@jellydonut.org) Received: from localhost (localhost [127.0.0.1]) by mail2.secureworks.net (Postfix) with ESMTP id 6152D172F5; Tue, 2 Jan 2007 16:10:52 -0500 (EST) X-Virus-Scanned: amavisd-new at secureworks.net Received: from mail2.secureworks.net ([127.0.0.1]) by localhost (mail2.secureworks.net [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id c+pMgM6uxTyo; Tue, 2 Jan 2007 16:10:52 -0500 (EST) Received: from [192.168.23.35] (mole1.secureworks.net [63.239.86.3]) by mail2.secureworks.net (Postfix) with ESMTP id 29811172F3; Tue, 2 Jan 2007 16:10:52 -0500 (EST) Message-ID: <459ACA5D.4010208@jellydonut.org> Date: Tue, 02 Jan 2007 16:10:53 -0500 From: Michael Proto User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.8.0.9) Gecko/20061228 Thunderbird/1.5.0.9 Mnenhy/0.7.4.666 MIME-Version: 1.0 To: Willem Jan Withagen References: <459ABB40.7050603@digiware.nl> In-Reply-To: <459ABB40.7050603@digiware.nl> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: stable@freebsd.org Subject: Re: running mksnap_ffs X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Jan 2007 21:36:35 -0000 Willem Jan Withagen wrote: > Hi, > > I got the following Filesystem: > Filesystem Size Used Avail Capacity iused ifree %iused > /dev/da0a 1.3T 422G 823G 34% 565952 182833470 0% > > Running of a 3ware 9550, on a dual core Opteron 242 with 1Gb. > The system is used as SMB/NFS server for my other systems here. > > I would like to make weekly snapshots, but manually running mksnap_ffs > freezes access to the disk (I sort of expected that) but the process > never terminates. So I let is sit overnight, but looking a gstat did not > reveil any activity what so ever... > The disk was not released, mksnap_ffs could not be terminated. > And things resulted in me rebooting the system. > > So: > - How long should I expect making a snapshot to take: > 5, 15, 30min, 1, 2 hour or even more??? > - How do I diagnose the reason why it is not terminating? > > --WjW For a point of reference, I have 2 300GB SerialATA disks in a RAID1 config that I take daily snapshots of. df info: Filesystem 1K-blocks Used Avail Capacity Mounted on /dev/ar0s1d 283810134 160945668 117188264 58% /r1 As of last night, this snapshot took 18m59.77s to complete. -Proto