From owner-freebsd-hackers Mon Dec 16 10:20:54 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A626237B401 for ; Mon, 16 Dec 2002 10:20:52 -0800 (PST) Received: from 3jane.math.ualberta.ca (3jane.math.ualberta.ca [129.128.206.44]) by mx1.FreeBSD.org (Postfix) with ESMTP id D032943EDA for ; Mon, 16 Dec 2002 10:20:51 -0800 (PST) (envelope-from bvowk@math.ualberta.ca) Received: from 3jane.math.ualberta.ca (localhost.math.ualberta.ca [127.0.0.1]) by 3jane.math.ualberta.ca (8.12.6/8.12.6) with ESMTP id gBGIKex5042799 for ; Mon, 16 Dec 2002 11:20:40 -0700 (MST) (envelope-from bvowk@math.ualberta.ca) Received: from localhost (bvowk@localhost) by 3jane.math.ualberta.ca (8.12.6/8.12.6/Submit) with ESMTP id gBGIKeF2042796 for ; Mon, 16 Dec 2002 11:20:40 -0700 (MST) X-Authentication-Warning: 3jane.math.ualberta.ca: bvowk owned process doing -bs Date: Mon, 16 Dec 2002 11:20:40 -0700 (MST) From: Barkley Vowk To: freebsd-hackers@freebsd.org Subject: Re: soft updates In-Reply-To: <3DF7A738.70109@mitre.org> Message-ID: <20021216111540.S42005-100000@3jane.math.ualberta.ca> References: <20021211154834.46558.qmail@web41201.mail.yahoo.com> <3DF7A738.70109@mitre.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG I've never had a single issue with my large filesystems either. They've been running for 18 months or so now, and survived power failures, bad disks, and a constant pounding. You are more likely to die from one of your junior admins dd'ing with reckless cluelessness than softupdates. /dev/twed0s1e 397G 217G 148G 59% /home /dev/twed0s1e 388G 233G 125G 65% /disk /dev/twed0e 148G 36G 100G 27% /disk ----------------------------------------------------------- Barkley C. Vowk -- Systems Analyst -- University of Alberta Math Sciences Department - Barkley.Vowk@math.ualberta.ca Office: CAB642A, 780-492-4064 Opinions expressed are the responsibility of the author and may not reflect the opinions of others or reality. On Wed, 11 Dec 2002, Jason Andresen wrote: > Gary Thorpe wrote: > > > The only logging/journaling file system available for *BSD that I am > > aware of is LFS, which I don't think is either stable or fast. I don't > > know how big a filesystem FFS+softdeps will support, but soft updates > > is not completly stable although I think it can be used with reasonable > > assurance it won't explode (I have). FFS on FreeBSD can support +300GB > > file systems I think, but whether soft updates will work correctly (or > > at least as correctly as it does in smaller file systems) at these > > sizes is unknown to me. > > I've been using softupdates on a 361GB filesystem for some time now. > Although some hardware failures gave vinum fits, softupdates has never > caused me a problem: > /dev/vinum/media 361G 288G 45G 87% /media > > -- > \ |_ _|__ __|_ \ __| Jason Andresen jandrese@mitre.org > |\/ | | | / _| Network and Distributed Systems Engineer > _| _|___| _| _|_\___| Office: 703-883-7755 > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-hackers" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message