From owner-freebsd-questions@FreeBSD.ORG Mon Jun 27 22:06:36 2011 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 620A9106567B for ; Mon, 27 Jun 2011 22:06:36 +0000 (UTC) (envelope-from elon@emmi.physik-pool.tu-berlin.de) Received: from emmi.physik-pool.tu-berlin.de (emmi.physik-pool.tu-berlin.de [130.149.58.146]) by mx1.freebsd.org (Postfix) with ESMTP id E64FB8FC18 for ; Mon, 27 Jun 2011 22:06:35 +0000 (UTC) Received: from emmi.physik-pool.tu-berlin.de (localhost.physik-pool.tu-berlin.de [127.0.0.1]) by emmi.physik-pool.tu-berlin.de (8.14.4/8.14.4) with ESMTP id p5RM6X4r015571 for ; Tue, 28 Jun 2011 00:06:33 +0200 (CEST) (envelope-from elon@emmi.physik-pool.tu-berlin.de) Received: (from elon@localhost) by emmi.physik-pool.tu-berlin.de (8.14.4/8.14.4/Submit) id p5RM6Xjx015570 for freebsd-questions@freebsd.org; Tue, 28 Jun 2011 00:06:33 +0200 (CEST) (envelope-from elon) Date: Tue, 28 Jun 2011 00:06:33 +0200 From: Leon =?iso-8859-15?Q?Me=DFner?= To: freebsd-questions@freebsd.org Message-ID: <20110627220633.GH74606@emmi.physik-pool.tu-berlin.de> Mail-Followup-To: freebsd-questions@freebsd.org References: <20110625153923.GG74606@emmi.physik-pool.tu-berlin.de> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) Subject: Re: SAS controller for FreeBSD X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 27 Jun 2011 22:06:36 -0000 On Sat, Jun 25, 2011 at 04:47:19PM -0400, Daniel Feenberg wrote: > > > On Sat, 25 Jun 2011, Leon Meßner wrote: > > > On Fri, Jun 24, 2011 at 06:51:37PM -0400, Daniel Feenberg wrote: > > ... > >> > >> There are some SAS RAID controllers that claim to support FreeBSD but I > >> can't tell if their JBOD mode is a true pass-through, or leaves some > >> undesirable junk on the disk. > >> > >> So does anyone have a recomendation for a reasonably priced SAS > >> controller? We aren't looking for anything fancy at this point. > > > > We are using two of the LSI SAS2008 based cards here and have no > > problems with them. Be sure to run a recent STABLE as the mps driver is > > relatively new. Speed and reliability are very nice. The only thing we > > February of this year: > > http://lists.freebsd.org/pipermail/freebsd-scsi/2011-February/004784.html > > > are missing is IR-Firmware support but if you only want a HBA this won't > > bother you. > > If I search the LSI website for "SAS2008" the first hit includes a > description of the chipset features, including the bullet point > > * Integrated RAID > > All the cards on the LSI website that I can find using the SAS2008 chipset > include the sentence "Integrated RAID avoids additional host CPU overhead" > in their brief description, even the ones labeled "HBA". Apparently the > FreeBSD driver does not include an interface to the RAID capability, but > it seems that the chipset still provides it. I suppose this still avoids > controller lock in, so it should be satisfactory. Can I ask what model you > have? We are running the SAS 9200-8e and the onboard version on the X8SI6-F Mainboard from Supermicro. It was possible to Flash IT-Firmware on Systems that had been delivered with IR-Firmware. I think they removed that feature from their flashing utility. cheers, Leon