From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: with ECARTIS (v1.0.0; list xfs); Wed, 26 Sep 2007 10:35:23 -0700 (PDT) Received: from web32915.mail.mud.yahoo.com (web32915.mail.mud.yahoo.com [209.191.69.115]) by oss.sgi.com (8.12.11.20060308/8.12.10/SuSE Linux 0.7) with SMTP id l8QHZEpC031623 for ; Wed, 26 Sep 2007 10:35:18 -0700 Date: Wed, 26 Sep 2007 10:35:13 -0700 (PDT) From: "Bryan J. Smith" Reply-To: b.j.smith@ieee.org Subject: Re: [UNSURE] Re: mkfs options for a 16x hw raid5 and xfs (mostly large files) In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Message-ID: <957634.8098.qm@web32915.mail.mud.yahoo.com> Sender: xfs-bounce@oss.sgi.com Errors-to: xfs-bounce@oss.sgi.com List-Id: xfs To: Justin Piszcz , b.j.smith@ieee.org Cc: Ralf Gross , linux-xfs@oss.sgi.com Justin Piszcz wrote: > So what tunables do the 9550/9650SE users utilize to achieve > 500 > MiB/s write on HW RAID5/6? Don't know. But I've never claimed it was capable of it either. At the same time, I've seen software RAID do over 500MBps, only to drop to under 50MBps aggregate client DTR under load. -- Bryan J. Smith Professional, Technical Annoyance b.j.smith@ieee.org http://thebs413.blogspot.com -------------------------------------------------- Fission Power: An Inconvenient Solution