Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 2 Mar 2001 20:55:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 2 Mar 2001 20:55:09 -0500 Received: from anime.net ([63.172.78.150]:60679 "EHLO anime.net") by vger.kernel.org with ESMTP id ; Fri, 2 Mar 2001 20:54:53 -0500 Date: Fri, 2 Mar 2001 17:55:25 -0800 (PST) From: Dan Hollis To: Chris Mason cc: Steve Lord , Jeremy Hansen , Subject: Re: scsi vs ide performance on fsync's In-Reply-To: <383290000.983560664@tiny> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2 Mar 2001, Chris Mason wrote: > For why ide is beating scsi in this benchmark...make sure tagged queueing > is on (or increase the queue length?). For the xlog.c test posted, I would > expect scsi to get faster than ide as the size of the write increases. I have seen that many drives either have a pathetically small queue or have completely broken tagged queueing. I guess thats what happens when most vendors target their hardware for micro$oft. -Dan - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/