From owner-freebsd-scsi@FreeBSD.ORG Fri Jan 14 12:44:45 2011 Return-Path: Delivered-To: freebsd-scsi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 39529106566B for ; Fri, 14 Jan 2011 12:44:45 +0000 (UTC) (envelope-from borjam@sarenet.es) Received: from proxypop1b.sarenet.es (proxypop1b.sarenet.es [194.30.0.104]) by mx1.freebsd.org (Postfix) with ESMTP id EB7D68FC15 for ; Fri, 14 Jan 2011 12:44:44 +0000 (UTC) Received: from [172.16.1.55] (ssglan.sare.net [192.148.167.100]) by proxypop1b.sarenet.es (Postfix) with ESMTP id 8141A5F1D; Fri, 14 Jan 2011 13:44:43 +0100 (CET) Mime-Version: 1.0 (Apple Message framework v1082) Content-Type: text/plain; charset=us-ascii From: Borja Marcos In-Reply-To: Date: Fri, 14 Jan 2011 13:44:43 +0100 Content-Transfer-Encoding: quoted-printable Message-Id: <18831097-9113-4059-BAEB-71185849BD90@sarenet.es> References: <522B2387-1BE2-4AF7-B250-B1272D301C59@sarenet.es> To: Peter Lai X-Mailer: Apple Mail (2.1082) Cc: freebsd-scsi@freebsd.org Subject: Re: ZFS and "internal" mfi RAID cards, the eternal question X-BeenThere: freebsd-scsi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SCSI subsystem List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 14 Jan 2011 12:44:45 -0000 On Jan 14, 2011, at 12:50 PM, Peter Lai wrote: > Is there a reason you are ordering your Dells with H700 instead of > H200; do you really want the battery backed cache anyway? > = http://www.dell.com/content/topics/topic.aspx/global/products/pvaul/topics= /en/us/raid_controller?c=3Dus&l=3Den&cs=3D555 > suggests the H200 has jbod mode... Indeed, it doesn't work under FreeBSD. Or am I wrong? > FWIW, in our case, we didn't need 16 ports and were ok with 3gb > channels so we actually just settled with the dumb mpt controller. >> Maybe there would be a way to just tell the card firmware to shut up = and let it work like a simple and well behaved SAS card? >=20 > One could wish :) Well, the ugly patch to mfi_cam lets me access the disks. Of course it = doesn't seen to be a clean solution. Borja.