From owner-freebsd-scsi@FreeBSD.ORG Fri Jan 14 14:03:04 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 B46B01065675 for ; Fri, 14 Jan 2011 14:03:04 +0000 (UTC) (envelope-from cowbert@gmail.com) Received: from mail-ey0-f182.google.com (mail-ey0-f182.google.com [209.85.215.182]) by mx1.freebsd.org (Postfix) with ESMTP id 44F4B8FC14 for ; Fri, 14 Jan 2011 14:03:03 +0000 (UTC) Received: by eyf6 with SMTP id 6so1376162eyf.13 for ; Fri, 14 Jan 2011 06:03:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=wmyHLu/CjBaTOwq1fnUAEtocXDYk+ackejT5/blp770=; b=JYU0qtK7Njzvi2xeacUXOIfEAZV5/BZovN+d6ceHz+N7ldRGjm99+KDl2aELuqyKYw OZ9YiZxDQijiS9AxqwB144zXe3kcL5+VWy0P4Fy5YPk2Gi2Tjfc++/tWfrvj+WlezGZd QqIvMWHTp6hzN5n6EBaNEuGDDri2bF+FKlELY= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=NYIQjGdeJhflqGcTqrOuWf/hAwhawx6yZi6EOR7XY2EQLCh9voZFyd89C0LWLVS1vF Kw8nG73e0dCSvtB3MGzc8jTifurGZYWIxx7Beh0dC8RkF8pdwh+wk8Uz+Ao69TA6jz3A 4i6jG/SrlVk7/cH8RTczZHV0sKRR1Dd2accXY= MIME-Version: 1.0 Received: by 10.213.28.147 with SMTP id m19mr1579213ebc.97.1295013781479; Fri, 14 Jan 2011 06:03:01 -0800 (PST) Received: by 10.213.19.137 with HTTP; Fri, 14 Jan 2011 06:03:01 -0800 (PST) In-Reply-To: <18831097-9113-4059-BAEB-71185849BD90@sarenet.es> References: <522B2387-1BE2-4AF7-B250-B1272D301C59@sarenet.es> <18831097-9113-4059-BAEB-71185849BD90@sarenet.es> Date: Fri, 14 Jan 2011 08:03:01 -0600 Message-ID: From: Peter Lai To: Borja Marcos Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable 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 14:03:04 -0000 On Fri, Jan 14, 2011 at 6:44 AM, Borja Marcos wrote: > > 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/topi= cs/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? > Good point. My guess here is that as an LSI card, it's not really supposed be picked up by mfi, but mpt. But most of my experience with dell has been to not even bother with the addon raid and just stick with the mpt controllers. Of course, they only support up to 8 disks, so if you need more than that...well :( >> 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 an= d let it work like a simple =C2=A0and well behaved SAS card? >> >> One could wish :) > > Well, the ugly patch to mfi_cam lets me access the disks. Of course it do= esn't seen to be a clean solution. > > > > > Borja. > > >