From owner-freebsd-fs@FreeBSD.ORG Tue Mar 14 17:21:04 2006 Return-Path: X-Original-To: freebsd-fs@freebsd.org Delivered-To: freebsd-fs@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3ECCF16A400 for ; Tue, 14 Mar 2006 17:21:04 +0000 (UTC) (envelope-from anderson@centtech.com) Received: from mh2.centtech.com (moat3.centtech.com [207.200.51.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id D556A43D45 for ; Tue, 14 Mar 2006 17:21:03 +0000 (GMT) (envelope-from anderson@centtech.com) Received: from [10.177.171.220] (neutrino.centtech.com [10.177.171.220]) by mh2.centtech.com (8.13.1/8.13.1) with ESMTP id k2EHKxRd077533; Tue, 14 Mar 2006 11:20:59 -0600 (CST) (envelope-from anderson@centtech.com) Message-ID: <4416FB78.5020304@centtech.com> Date: Tue, 14 Mar 2006 11:20:56 -0600 From: Eric Anderson User-Agent: Thunderbird 1.5 (X11/20060112) MIME-Version: 1.0 To: Ensel Sharon References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: ClamAV 0.87.1/1329/Mon Mar 13 18:22:03 2006 on mh2.centtech.com X-Virus-Status: Clean Cc: freebsd-fs@freebsd.org Subject: Re: please help - explanation for odd fsck times/behavior needed X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 14 Mar 2006 17:21:04 -0000 Ensel Sharon wrote: > On Tue, 14 Mar 2006, Eric Anderson wrote: > > >> Dag-Erling Sm?rgrav wrote: >> >>> Eric Anderson writes: >>> >>> >>>> Ok, thanks for the insight. Someone with a commit wand should wave >>>> it over fsck(8): >>>> >>>> >>> No, the man page is correct. There's just no point in using more than >>> two passes unless you have so little memory that fsck starts swapping. >>> You'll notice that sysinstall puts everything except / in pass 2 in >>> the fstab it generates when you install. >>> >>> >> Or you have such large partitions, that you need the entire amount of >> memory to fsck a single filesystem at all. >> > > > Funny you should mention it, because you don't even need a large partition > to do that ... my 400 gigabyte partition (sorry folks, 400 GB is _not_ > large) requires this: > > add the line: kern.maxdsiz="1024000000" to /boot/loader.conf > > So anyway, not only are passes > 2 possibly useful, you don't even need a > big partition to have them be possibly useful ... > True - it depends mostly on number of inodes in use I believe. Eric -- ------------------------------------------------------------------------ Eric Anderson Sr. Systems Administrator Centaur Technology Anything that works is better than anything that doesn't. ------------------------------------------------------------------------