From owner-freebsd-current@FreeBSD.ORG Fri Jan 30 05:47:54 2004 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 81BD616A4CE for ; Fri, 30 Jan 2004 05:47:54 -0800 (PST) Received: from panzer.kdm.org (panzer.kdm.org [216.160.178.169]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5A0F143D2F for ; Fri, 30 Jan 2004 05:47:52 -0800 (PST) (envelope-from ken@panzer.kdm.org) Received: from panzer.kdm.org (localhost [127.0.0.1]) by panzer.kdm.org (8.12.9/8.12.5) with ESMTP id i0UDle64004061; Fri, 30 Jan 2004 06:47:40 -0700 (MST) (envelope-from ken@panzer.kdm.org) Received: (from ken@localhost) by panzer.kdm.org (8.12.9/8.12.5/Submit) id i0UDleLl004060; Fri, 30 Jan 2004 06:47:40 -0700 (MST) (envelope-from ken) Date: Fri, 30 Jan 2004 06:47:40 -0700 From: "Kenneth D. Merry" To: Oliver Brandmueller Message-ID: <20040130134739.GA3970@panzer.kdm.org> References: <20040130115025.GB96881@e-Gitt.NET> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040130115025.GB96881@e-Gitt.NET> User-Agent: Mutt/1.4.1i cc: current@freebsd.org Subject: Re: max blockdevice/filesystem size? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 Jan 2004 13:47:54 -0000 On Fri, Jan 30, 2004 at 12:50:26 +0100, Oliver Brandmueller wrote: > Hi all, > > maybe I'm just blind, then give me a pointer. > > Since the information in the FAQ seems rather outdated, can someone tell > me, what the maximum size of a UFS2/ffs filesystem is with FreeBSD 5.2? > I'm looking for practical values. Something like: OK, we hit the max > size of a SCSI device, so we use some more of them and vinum. How much > TB would work in a single FS? At least for SCSI device size, we can in theory handle a device up to 2^64-1 blocks. I've actually tested devices close to that limit with a "fake" ramdisk target. I'm not sure about filesystem size, someone else will have to answer that one. Ken -- Kenneth Merry ken@FreeBSD.ORG