From owner-freebsd-questions@FreeBSD.ORG Fri Dec 16 18:48:41 2005 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8C2E816A41F for ; Fri, 16 Dec 2005 18:48:41 +0000 (GMT) (envelope-from wojtek@tensor.3miasto.net) Received: from chylonia.3miasto.net (chylonia.3miasto.net [213.192.74.6]) by mx1.FreeBSD.org (Postfix) with ESMTP id 83C3343D49 for ; Fri, 16 Dec 2005 18:48:39 +0000 (GMT) (envelope-from wojtek@tensor.3miasto.net) Received: from chylonia.3miasto.net (localhost [127.0.0.1]) by chylonia.3miasto.net (8.13.4/8.13.4) with ESMTP id jBGImRES021651; Fri, 16 Dec 2005 19:48:27 +0100 (CET) (envelope-from wojtek@tensor.3miasto.net) Received: from localhost (wojtek@localhost) by chylonia.3miasto.net (8.13.4/8.13.4/Submit) with ESMTP id jBGImQ5w021648; Fri, 16 Dec 2005 19:48:27 +0100 (CET) (envelope-from wojtek@tensor.3miasto.net) X-Authentication-Warning: chylonia.3miasto.net: wojtek owned process doing -bs Date: Fri, 16 Dec 2005 19:48:26 +0100 (CET) From: Wojciech Puchar X-X-Sender: wojtek@chylonia.3miasto.net To: Alex Zbyslaw In-Reply-To: <43A2C35E.9060206@dial.pipex.com> Message-ID: <20051216194723.S21314@chylonia.3miasto.net> References: <20051216123357.4932.qmail@web31611.mail.mud.yahoo.com> <20051216131451.GV2413@merkur.atekomi.net> <43A2C35E.9060206@dial.pipex.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: freebsd-questions@freebsd.org Subject: Re: swap - 2 HDs X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Dec 2005 18:48:41 -0000 > This is contrary to the "usual" advice which is to split swap across disks > AFAIK. I've never done any benchmarks, but my gut feeling would be that if > the disks were on separate controllers, and if the machine did swap regularly > then two swap partitions would be beneficial. Even on the same controller it it would be beneficial when at least two processes doing pagein/pageout. which is normal on loaded machine which needs swapping.