From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Mon, 20 Aug 2001 21:14:02 +0100 Subject: Re: [linux-lvm] LVM 1.0 performance Message-ID: <20010820211402.A1077@btconnect.com> References: <20010820190959.A827@dardhal.mired.net> Mime-Version: 1.0 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20010820190959.A827@dardhal.mired.net>; from jdomingo@internautas.org on Mon, Aug 20, 2001 at 07:10:00PM +0000 From: Joe Thornber Sender: linux-lvm-admin@sistina.com Errors-To: linux-lvm-admin@sistina.com Reply-To: linux-lvm@sistina.com List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: List-Id: Content-Type: text/plain; charset="us-ascii" To: linux-lvm@sistina.com On Mon, Aug 20, 2001 at 07:10:00PM +0000, Josi Luis Domingo Lspez wrote: > There are a couple of things that surprised me: it seems like LVM over a > single partition is even faster than the partition itself (??), random > seek rate grows with stripe size on both RAID and LVM, write performance > with striped LV is about the same as RAID-0 performance, but read > performance with striped LV is terribly slow compared to a similar setup > with RAID-0 (even slower that a LV with stripe=1). Last time I tested striping with IDE I got read of 56 M/s with bonnie++. - Joe