From owner-freebsd-scsi@FreeBSD.ORG Mon May 9 18:24:43 2011 Return-Path: Delivered-To: scsi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2BB11106564A; Mon, 9 May 2011 18:24:43 +0000 (UTC) (envelope-from mike@reifenberger.com) Received: from mail-out.m-online.net (mail-out.m-online.net [212.18.0.10]) by mx1.freebsd.org (Postfix) with ESMTP id 4F6458FC13; Mon, 9 May 2011 18:24:42 +0000 (UTC) Received: from frontend1.mail.m-online.net (frontend1.mail.intern.m-online.net [192.168.8.180]) by mail-out.m-online.net (Postfix) with ESMTP id 3DA73188A172; Mon, 9 May 2011 20:24:41 +0200 (CEST) Received: from localhost (dynscan1.mnet-online.de [192.168.8.164]) by mail.m-online.net (Postfix) with ESMTP id 707FD1C00126; Mon, 9 May 2011 20:24:41 +0200 (CEST) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.180]) by localhost (dynscan1.mail.m-online.net [192.168.8.164]) (amavisd-new, port 10024) with ESMTP id aXF1djX7jxx7; Mon, 9 May 2011 20:24:40 +0200 (CEST) Received: from mail.reifenberger.com (ppp-93-104-32-112.dynamic.mnet-online.de [93.104.32.112]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPS; Mon, 9 May 2011 20:24:40 +0200 (CEST) Received: by mail.reifenberger.com (Postfix, from userid 1001) id 4D59732937; Mon, 9 May 2011 20:24:40 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by mail.reifenberger.com (Postfix) with ESMTP id 432C532934; Mon, 9 May 2011 20:24:40 +0200 (CEST) Date: Mon, 9 May 2011 20:24:40 +0200 (CEST) From: Michael Reifenberger To: Artem Belevich In-Reply-To: Message-ID: References: User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: FreeBSD-SCSI Subject: Re: mpt(4) cuts 3TiB drives down to 2TiB 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: Mon, 09 May 2011 18:24:43 -0000 On Sun, 8 May 2011, Artem Belevich wrote: > Date: Sun, 8 May 2011 12:31:28 -0700 > From: Artem Belevich > To: Michael Reifenberger > Cc: FreeBSD-SCSI > Subject: Re: mpt(4) cuts 3TiB drives down to 2TiB > > On Sun, May 8, 2011 at 5:13 AM, Michael Reifenberger > wrote: >> Hi, >> the manpage of mptutil states that mpt(4) doesn't support volumes greater >> 2TiB, >> it suggests to use the disks in JBOD mode. >> >> Even this seems only to work for disk with less than 2TiB. >> >> When attaching a Hitachi 7k3000 drive on the LSI SAS/SATA ports of a >> Supermicro X8ST3-F board I only see 4294967294 sectors while I get 976773168 >> sectors when >> attaching to the on board SATA ports. >> >> This leaves the onboard LSI controller useless for bigger disks. >> >> Is there a way to work around this issue? >> >> Or is anybody working on enhancing the mpt(4) driver to use the newer API? > > According to LSI, it's a 'feature'. Controllers based on > LSI1068/1068e (X8ST3-F uses LSI 1068E) truncate drive capacity to > 2TB: > http://kb.lsi.com/KnowledgebaseArticle16399.aspx > Yes. Seems so. For me its a documented bug though. Hopefully the will revise this misbehaviour... Bye/2 --- Michael Reifenberger Michael@Reifenberger.com http://www.Reifenberger.com