From owner-freebsd-hackers Wed Dec 11 13:14:27 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 9247B37B401 for ; Wed, 11 Dec 2002 13:14:26 -0800 (PST) Received: from smtpproxy2.mitre.org (smtpproxy2.mitre.org [192.80.55.70]) by mx1.FreeBSD.org (Postfix) with ESMTP id C724843EA9 for ; Wed, 11 Dec 2002 13:14:25 -0800 (PST) (envelope-from jandrese@mitre.org) Received: from avsrv1.mitre.org (avsrv1.mitre.org [129.83.20.58]) by smtpproxy2.mitre.org (8.11.3/8.11.3) with ESMTP id gBBLEBV15421; Wed, 11 Dec 2002 16:14:11 -0500 (EST) Received: from MAILHUB2 (mailhub2.mitre.org [129.83.221.18]) by smtpsrv1.mitre.org (8.11.3/8.11.3) with ESMTP id gBBKxhi15876; Wed, 11 Dec 2002 15:59:44 -0500 (EST) Received: from mm112324-2k.mitre.org (128.29.3.65) by mailhub2.mitre.org with SMTP id 424870; Wed, 11 Dec 2002 15:59:38 -0500 Message-ID: <3DF7A738.70109@mitre.org> Date: Wed, 11 Dec 2002 15:59:36 -0500 From: Jason Andresen User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.2.1) Gecko/20021130 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Gary Thorpe Cc: omestre , freebsd-hackers@freebsd.org Subject: Re: soft updates References: <20021211154834.46558.qmail@web41201.mail.yahoo.com> In-Reply-To: <20021211154834.46558.qmail@web41201.mail.yahoo.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit 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 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