From owner-freebsd-current Sun Jul 23 17:31:39 2000 Delivered-To: freebsd-current@freebsd.org Received: from mail2.rdc1.sfba.home.com (mail2.rdc1.sfba.home.com [24.0.0.75]) by hub.freebsd.org (Postfix) with ESMTP id 1ECA237B9CA; Sun, 23 Jul 2000 17:31:36 -0700 (PDT) (envelope-from boshea@ricochet.net) Received: from beastie.localdomain ([24.19.158.41]) by mail2.rdc1.sfba.home.com (InterMail vM.4.01.03.00 201-229-121) with ESMTP id <20000724003135.BEUD6679.mail2.rdc1.sfba.home.com@beastie.localdomain>; Sun, 23 Jul 2000 17:31:35 -0700 Received: (from brian@localhost) by beastie.localdomain (8.9.3/8.8.7) id RAA51002; Sun, 23 Jul 2000 17:31:24 -0700 (PDT) (envelope-from brian) Date: Sun, 23 Jul 2000 17:31:24 -0700 From: "Brian O'Shea" To: Kris Kennaway Cc: Joe McGuckin , james@targetnet.com, freebsd-current@FreeBSD.ORG Subject: Re: Re[2]: Journaling Filesystem ? Message-ID: <20000723173124.C351@beastie.localdomain> Reply-To: boshea@ricochet.net Mail-Followup-To: Kris Kennaway , Joe McGuckin , james@targetnet.com, freebsd-current@FreeBSD.ORG References: <200007232043.NAA36306@monk.via.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.95.4i In-Reply-To: ; from Kris Kennaway on Sun, Jul 23, 2000 at 03:28:07PM -0700 Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Sun, Jul 23, 2000 at 03:28:07PM -0700, Kris Kennaway wrote: > On Sun, 23 Jul 2000, Joe McGuckin wrote: > > > The big win with a journaling FS is when you have to reboot the system. > > > > With Softupdates, you still have to fsck. On a large FS (say half a > > terabyte) that can take hours. > > No you don't. Your filesystem will be in a consistent state except for > blocks which are marked used but are not, so you can fsck in the > background at the expense of not having all of your free space available > at startup. > > Having said that, I don't know that this procedure has been well tested in > practise, so you're advised to use caution when testing it :-) I didn't even know that background fsck was supported at all. I remember hearing Kirk talk about it as a future feature at FreeBSD CON last year, but I havn't heard anything about it since. How do you use it? Thanks, -brian p.s. Forgive me if this is well documented in -CURRENT. At the moment, the latest version of FreeBSD that I have available to me is 4.1-RC (cvsup from July 21) and I can't find any mention of it. -- Brian O'Shea boshea@ricochet.net To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message