From owner-freebsd-current@FreeBSD.ORG Fri Feb 18 21:34:21 2005 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0A0B216A4CE for ; Fri, 18 Feb 2005 21:34:21 +0000 (GMT) Received: from srv1.cosmo-project.de (srv1.cosmo-project.de [213.83.6.106]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3DF3343D1F for ; Fri, 18 Feb 2005 21:34:20 +0000 (GMT) (envelope-from ticso@cicely12.cicely.de) Received: from cicely5.cicely.de (cicely5.cicely.de [10.1.1.7]) (authenticated bits=0)j1ILY0wh004863 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=OK); Fri, 18 Feb 2005 22:34:02 +0100 (CET) (envelope-from ticso@cicely12.cicely.de) Received: from cicely12.cicely.de (cicely12.cicely.de [IPv6:3ffe:400:8d0:301::12]) by cicely5.cicely.de (8.12.10/8.12.10) with ESMTP id j1ILX355062086 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 18 Feb 2005 22:33:03 +0100 (CET) (envelope-from ticso@cicely12.cicely.de) Received: from cicely12.cicely.de (localhost [127.0.0.1]) by cicely12.cicely.de (8.12.11/8.12.11) with ESMTP id j1ILX2Cb014391; Fri, 18 Feb 2005 22:33:02 +0100 (CET) (envelope-from ticso@cicely12.cicely.de) Received: (from ticso@localhost) by cicely12.cicely.de (8.12.11/8.12.11/Submit) id j1ILWuwg014377; Fri, 18 Feb 2005 22:32:56 +0100 (CET) (envelope-from ticso) Date: Fri, 18 Feb 2005 22:32:56 +0100 From: Bernd Walter To: Julian Elischer Message-ID: <20050218213255.GA14312@cicely12.cicely.de> References: <20050216224825.39102.qmail@web26807.mail.ukl.yahoo.com> <4213D046.4080001@centtech.com> <7579f7fb05021715344d661662@mail.gmail.com> <421605D0.80302@centtech.com> <42164189.3060100@elischer.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <42164189.3060100@elischer.org> X-Operating-System: FreeBSD cicely12.cicely.de 5.2-CURRENT alpha User-Agent: Mutt/1.5.6i X-Spam-Status: No, hits=0.0 required=3.0 tests=none autolearn=no version=2.64 X-Spam-Checker-Version: SpamAssassin 2.64 (2004-01-11) on cicely12.cicely.de cc: Matthew Jacob cc: FreeBSD Current cc: Eric Anderson Subject: Re: newfs limits? 10TB filesystem max? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: ticso@cicely.de List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 18 Feb 2005 21:34:21 -0000 On Fri, Feb 18, 2005 at 11:27:05AM -0800, Julian Elischer wrote: > > > Eric Anderson wrote: > > >Matthew Jacob wrote: > > > >>BTW- be careful with very large filesystems on FreeBSD- at some point > >>fsck can't check them. > >> > >>I built a sparse 5000TB filesystem which newfs'd and mounted okay, but > >>was not possible to check with fsck. > > > > > I would be surprised fi you can check a 5TB filesystem > > From my tests on a full 1TB filesystem, it takes about 700MB of RAM in > the fsck process PER TB. Where is the problem? [135]cicely12> bc -l bc 1.06 Copyright 1991-1994, 1997, 1998, 2000 Free Software Foundation, Inc. This is free software with ABSOLUTELY NO WARRANTY. For details type `warranty'. 700*5 3500 [136]cicely12> limits -a Resource limits (current): cputime infinity secs filesize infinity kb datasize 4608000 kb stacksize 131072 kb coredumpsize infinity kb memoryuse infinity kb memorylocked infinity kb maxprocesses 5547 openfiles 11095 sbsize infinity bytes vmemoryuse infinity kb OK - this is an alpha system... -- B.Walter BWCT http://www.bwct.de bernd@bwct.de info@bwct.de