From owner-freebsd-stable@FreeBSD.ORG Fri Apr 8 17:19:07 2005 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5381C16A4CE; Fri, 8 Apr 2005 17:19:07 +0000 (GMT) Received: from carver.gumbysoft.com (carver.gumbysoft.com [66.220.23.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2C7BE43D31; Fri, 8 Apr 2005 17:19:07 +0000 (GMT) (envelope-from dwhite@gumbysoft.com) Received: by carver.gumbysoft.com (Postfix, from userid 1000) id 24C4272DDD; Fri, 8 Apr 2005 10:19:07 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by carver.gumbysoft.com (Postfix) with ESMTP id 1EE4972DD4; Fri, 8 Apr 2005 10:19:07 -0700 (PDT) Date: Fri, 8 Apr 2005 10:19:07 -0700 (PDT) From: Doug White To: Brian Behlendorf In-Reply-To: <20050407013544.W73813@paz.hyperreal.org> Message-ID: <20050408101651.L63303@carver.gumbysoft.com> References: <200504061842.43294.eugene@imedia.ru> <42548B2D.9010503@xena.ipaustralia.gov.au> <20050407013544.W73813@paz.hyperreal.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: Carl Makin cc: freebsd-stable@freebsd.org cc: freebsd-questions@freebsd.org Subject: Re: IBM eServer 346 ServeRaid is too slow X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 08 Apr 2005 17:19:07 -0000 In the future, don't cross post -questions and other lists. I'm leaving the cc: on since we may have people watching the thread, but please remove -questions for any followups. Thanks. On Thu, 7 Apr 2005, Brian Behlendorf wrote: > On Thu, 7 Apr 2005, Carl Makin wrote: > > I'd say you are seeing the same as I am with the same card in a Dell 1855. > > There is something wrong with the mpt driver and the disks when they are > > setup in a raid0 set. If you split the disks and use them as individual > > drives then you will get full performance. > > It's also a known problem, though not being tracked very well. > > http://lists.freebsd.org/pipermail/freebsd-scsi/2004-December/001577.html > http://lists.freebsd.org/pipermail/freebsd-scsi/2004-December/001578.html > > Doesn't look like (from viewcvs.cgi) there's been any recent work on > this. We're waiting on a driver update that is tied up in legalities at the moment. -- Doug White | FreeBSD: The Power to Serve dwhite@gumbysoft.com | www.FreeBSD.org