From owner-cvs-src@FreeBSD.ORG Fri Sep 17 17:07:38 2004 Return-Path: Delivered-To: cvs-src@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3071816A4CF; Fri, 17 Sep 2004 17:07:38 +0000 (GMT) Received: from critter.freebsd.dk (critter.freebsd.dk [212.242.86.163]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7809C43D2F; Fri, 17 Sep 2004 17:07:37 +0000 (GMT) (envelope-from phk@critter.freebsd.dk) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.13.1/8.13.1) with ESMTP id i8HH7DX8099238; Fri, 17 Sep 2004 19:07:14 +0200 (CEST) (envelope-from phk@critter.freebsd.dk) To: Pawel Jakub Dawidek From: "Poul-Henning Kamp" In-Reply-To: Your message of "Fri, 17 Sep 2004 19:03:02 +0200." <20040917170302.GT30151@darkness.comp.waw.pl> Date: Fri, 17 Sep 2004 19:07:13 +0200 Message-ID: <99237.1095440833@critter.freebsd.dk> Sender: phk@critter.freebsd.dk cc: Scott Long cc: src-committers@FreeBSD.org cc: cvs-src@FreeBSD.org cc: cvs-all@FreeBSD.org cc: Robert Watson cc: Giorgos Keramidas cc: Ceri Davies Subject: Re: cvs commit: src/sys/sys mdioctl.h src/sys/dev/md md.c src/sbin/mdconfig Makefile mdconfig.8 mdconfig.c X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 17 Sep 2004 17:07:38 -0000 In message <20040917170302.GT30151@darkness.comp.waw.pl>, Pawel Jakub Dawidek w rites: > >--DvGWlh9FZfLEyBcv >Content-Type: text/plain; charset=iso-8859-2 >Content-Disposition: inline >Content-Transfer-Encoding: quoted-printable > >On Fri, Sep 17, 2004 at 10:29:47AM -0600, Scott Long wrote: >+> >Uhm, be aware that we are limited also to the size of individual >+> >swap disks. 31 bits of bytes/sectors/pages, not quite sure which. >+> > >+>=20 >+> 32 bits of pages, unless there is somewhere in the chain that the=20 >+> unsigned nature of the word is not being honored. > >Pages. It gives as maximum swap-backed device of 16TB. I tested it with >~15TB devices, so there is no signed/unsigned problem (which will limit >us to 8TB). Of course you can always (I hope) increase page size:) I belive there is a limit both for the total swapspce (16TB sounds likely) but also a limit for each swapdevice as far as I know. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.