From owner-freebsd-scsi@FreeBSD.ORG Thu Jun 7 10:51:02 2007 Return-Path: X-Original-To: freebsd-scsi@freebsd.org Delivered-To: freebsd-scsi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 3AE6516A46D for ; Thu, 7 Jun 2007 10:51:02 +0000 (UTC) (envelope-from scottl@samsco.org) Received: from pooker.samsco.org (pooker.samsco.org [168.103.85.57]) by mx1.freebsd.org (Postfix) with ESMTP id E7A7F13C469 for ; Thu, 7 Jun 2007 10:51:01 +0000 (UTC) (envelope-from scottl@samsco.org) Received: from phobos.samsco.home (phobos.samsco.home [192.168.254.11]) (authenticated bits=0) by pooker.samsco.org (8.13.8/8.13.8) with ESMTP id l57AowXj034221; Thu, 7 Jun 2007 04:50:59 -0600 (MDT) (envelope-from scottl@samsco.org) Message-ID: <4667E30B.4040605@samsco.org> Date: Thu, 07 Jun 2007 04:50:51 -0600 From: Scott Long User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.4) Gecko/20070509 SeaMonkey/1.1.2 MIME-Version: 1.0 To: Nico -telmich- Schottelius References: <20070607085611.GC25624@schottelius.org> <4667DD22.80909@samsco.org> <20070607104628.GC26318@schottelius.org> In-Reply-To: <20070607104628.GC26318@schottelius.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-2.0.2 (pooker.samsco.org [168.103.85.57]); Thu, 07 Jun 2007 04:50:59 -0600 (MDT) X-Spam-Status: No, score=-1.4 required=5.5 tests=ALL_TRUSTED autolearn=failed version=3.1.8 X-Spam-Checker-Version: SpamAssassin 3.1.8 (2007-02-13) on pooker.samsco.org Cc: freebsd-scsi@freebsd.org Subject: Re: Some thoughts 'bout scsi controllers 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: Thu, 07 Jun 2007 10:51:02 -0000 Nico -telmich- Schottelius wrote: > Hello Scott, > > Scott Long [Thu, Jun 07, 2007 at 04:25:38AM -0600]: >> Nico -telmich- Schottelius wrote: >>> - amr: the 'old' megaraid (=lsi) scsi (parallel)/sata driver: Seems to >>> be also one of the recommended chips, though there where/are issues >>> about unmaintained lsi drivers >> Excuse me? I'm the maintainer of this driver, and I've never heard >> from you. > > That's true. My information from > http://lists.freebsd.org/pipermail/freebsd-scsi/2005-January/001630.html > is outdated in that case. Sorry for the confusion. > Ah yes, things have changed significantly in the past 2.5 years =-) >>> We are looking on several servers and variants to replace the broken >>> sc1425 with the >>> 39320 in it. I think one option would be a dell pe2950 (with perc5i/mfi) >>> or to get a mpt or amr supported u320 card. >> The MPT and AMR cards are not equivalent. > > Which of those both would you recommened to use? MPT is a SCSI controller that has some basic raid 0 and 1 capabilities. AMR is a full scale RAID accelerator that is designed with enterprise data protection in mind. In other words, one is a SCSI chip, the other is a RAID card. Scott