From owner-freebsd-questions Wed Jun 5 10:51:35 2002 Delivered-To: freebsd-questions@freebsd.org Received: from pianosa.catch22.org (pianosa.catch22.org [64.81.48.19]) by hub.freebsd.org (Postfix) with ESMTP id 390E437B408 for ; Wed, 5 Jun 2002 10:51:25 -0700 (PDT) Received: by pianosa.catch22.org (Postfix, from userid 1006) id 4F9802C5; Wed, 5 Jun 2002 10:51:24 -0700 (PDT) Date: Wed, 5 Jun 2002 10:51:24 -0700 From: dannyman To: Chris Fedde Cc: Patrick Thomas , freebsd-questions@FreeBSD.ORG Subject: Re: use of fsck -y Message-ID: <20020605105123.E16343@pianosa.catch22.org> References: <20020602071202.U18408-100000@utility.clubscholarship.com> <200206021633.g52GXXQW048693@fedde.littleton.co.us> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <200206021633.g52GXXQW048693@fedde.littleton.co.us>; from chris@fedde.littleton.co.us on Sun, Jun 02, 2002 at 10:33:33AM -0600 X-Loop: djhoward@uiuc.edu Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Sun, Jun 02, 2002 at 10:33:33AM -0600, Chris Fedde wrote: > On Sun, 2 Jun 2002 07:15:08 -0700 (PDT) Patrick Thomas wrote: > +------------------ > | > BTW. softupdates might also give you some performance advantages > | > on peudo disk device filesystems. > | > | Will softupdates make fsck irrelevant ? That is, is it like journalling > | in the sense that I can cut the power and not lose anything ? Or do I > | still need to fsck after a crash ? > +------------------ > > Softupdates ensures that the filesystem is always consistent on > disk. It also reduces the number sync operations which improves > create/delete performance and read/write on small files. A hard > crash still will not mark the file system clean so a plain mount will > fail. I've not experimented much with force mounting unclean > softupdate enabled file systems. But I've never had a softupdate > file system fail fsck -p. 5.0-RC1 will let you kill a machine, and it will then reboot, mount filesystems, and fsck them in the background. -danny To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message