From owner-freebsd-fs@FreeBSD.ORG Wed Jul 30 12:29:01 2003 Return-Path: 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 3DA4537B401 for ; Wed, 30 Jul 2003 12:29:01 -0700 (PDT) Received: from rwcrmhc13.comcast.net (rwcrmhc13.comcast.net [204.127.198.39]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9613043FAF for ; Wed, 30 Jul 2003 12:29:00 -0700 (PDT) (envelope-from julian@elischer.org) Received: from interjet.elischer.org ([12.233.125.100]) by attbi.com (rwcrmhc13) with ESMTP id <2003073019290001500o5dd1e>; Wed, 30 Jul 2003 19:29:00 +0000 Received: from localhost (localhost.elischer.org [127.0.0.1]) by InterJet.elischer.org (8.9.1a/8.9.1) with ESMTP id MAA24076; Wed, 30 Jul 2003 12:28:54 -0700 (PDT) Date: Wed, 30 Jul 2003 12:28:52 -0700 (PDT) From: Julian Elischer To: Brooks Davis In-Reply-To: <20030730183307.GA11345@Odin.AC.HMC.Edu> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: fs@freebsd.org Subject: Re: fsck memory usage X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 30 Jul 2003 19:29:01 -0000 On Wed, 30 Jul 2003, Brooks Davis wrote: > Does anyone have a formula to give fsck memory requirements based on > disk size and newfs arguments. I'm going to be building some large > (3.3TB) file systems and I'd like to figure out if I'm going to need > to go 64-bit to have sufficent address space to fsck them. The mean > filesize will be pretty big so I will be able to set bytes/i-node > fairly high. I needed 700MB of memory in teh fsck process to be able to fsck a 1 TB filesystem. (actually that's what I needed for pass 1.. I ended up splitting it into 2 smaller ones after fsck's first 2 hours only got to pass 2..) > > -- Brooks > > -- > Any statement of the form "X is the one, true Y" is FALSE. > PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4 >