From owner-freebsd-hardware@FreeBSD.ORG Thu Aug 10 20:41:49 2006 Return-Path: X-Original-To: freebsd-hardware@freebsd.org Delivered-To: freebsd-hardware@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id EA78316A4DD for ; Thu, 10 Aug 2006 20:41:49 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from server.baldwin.cx (66-23-211-162.clients.speedfactory.net [66.23.211.162]) by mx1.FreeBSD.org (Postfix) with ESMTP id 084FE43D5C for ; Thu, 10 Aug 2006 20:41:39 +0000 (GMT) (envelope-from jhb@freebsd.org) Received: from localhost.corp.yahoo.com (john@localhost [127.0.0.1]) (authenticated bits=0) by server.baldwin.cx (8.13.6/8.13.6) with ESMTP id k7AKfc9C076210; Thu, 10 Aug 2006 16:41:38 -0400 (EDT) (envelope-from jhb@freebsd.org) From: John Baldwin To: freebsd-hardware@freebsd.org Date: Thu, 10 Aug 2006 16:38:09 -0400 User-Agent: KMail/1.9.1 References: <78ED28FACE63744386D68D8A9D1CF5D410496E@MAIL.corp.lumeta.com> In-Reply-To: <78ED28FACE63744386D68D8A9D1CF5D410496E@MAIL.corp.lumeta.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200608101638.10127.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-2.0.2 (server.baldwin.cx [127.0.0.1]); Thu, 10 Aug 2006 16:41:38 -0400 (EDT) X-Virus-Scanned: ClamAV 0.87.1/1644/Wed Aug 9 23:55:42 2006 on server.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-4.4 required=4.2 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.1.0 X-Spam-Checker-Version: SpamAssassin 3.1.0 (2005-09-13) on server.baldwin.cx Cc: Bucky Jordan Subject: Re: PERC 5/E SAS RAID in Dell PowerEdge 1950/2950 X-BeenThere: freebsd-hardware@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: General discussion of FreeBSD hardware List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 10 Aug 2006 20:41:50 -0000 On Thursday 10 August 2006 14:31, Bucky Jordan wrote: > 3. So initial conclusion was Perc5/I is crappy about multi levels of > raid (10, 0+1, etc). However, a coworker suggested I test on Knoppix 5. > Here's the results: > RAID5 (x4 disks) > ~270 MB/s with dd on ext2 (very close to theoretical max) I can't help you on the performance stuff, though you might ask Scott Long (scottl@) as he had some suggestions. Apparently a newer mfi(4) firmware performs poorer with FreeBSD for reasons as yet unknown. > 4. During testing, I tried installing BSD on disk0, then setting up a > RAID0 on disks 2 & 3, and a RAID1 on disks 4 & 5 for testing basic raid > performance. Unfortunately, BSD was unable to recognize the other > volumes. In dmesg, I would see mfid0, mifid1, and mfid2, but when I > would try to mount them using sysinstall and the instructions in the > handbook, FDisk did not see the correct sizes. Furthermore, I think it > always pointed to mfid0. More specifically This should be fixed in 6-stable. -- John Baldwin