From owner-freebsd-current@FreeBSD.ORG Wed Jun 8 11:37:13 2005 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 73C7916A41C for ; Wed, 8 Jun 2005 11:37:13 +0000 (GMT) (envelope-from anderson@centtech.com) Received: from mh1.centtech.com (moat3.centtech.com [207.200.51.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id 228A743D5C for ; Wed, 8 Jun 2005 11:37:12 +0000 (GMT) (envelope-from anderson@centtech.com) Received: from [10.177.171.220] (neutrino.centtech.com [10.177.171.220]) by mh1.centtech.com (8.13.1/8.13.1) with ESMTP id j58BbBE9020714; Wed, 8 Jun 2005 06:37:11 -0500 (CDT) (envelope-from anderson@centtech.com) Message-ID: <42A6D850.2070603@centtech.com> Date: Wed, 08 Jun 2005 06:36:48 -0500 From: Eric Anderson User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.8) Gecko/20050603 X-Accept-Language: en-us, en MIME-Version: 1.0 To: "Raphael H. Becker" References: <20050608122324.C41471@p-i-n.com> In-Reply-To: <20050608122324.C41471@p-i-n.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: ClamAV 0.82/921/Wed Jun 8 03:51:44 2005 on mh1.centtech.com X-Virus-Status: Clean Cc: freebsd-current@freebsd.org Subject: Re: Accessing SCSI-Devices >2TB X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 08 Jun 2005 11:37:13 -0000 Raphael H. Becker wrote: > Hi, > > I tried to attach our new external RAID to my RENEG_5_4 box today using > one logical drive of about 2326GB. > > The RAID was preconfigured with two 50% partitions which were assigned > to two LUNs. FreeBSD 5.4 was able to detect those as da1 and da2 with > full capacity. > > For particular reasons I need one filesystem. > > The support for this RAID told me just SuSE Linux and W2k3/64Bit Systems > are able to access devices >2TB (64bit LBA) therefore the larger RAIDs > are preconfigured with smaller partitions. That is correct - only a few OS's that I know of currently support 64bit LBA. I wanted the same thing (except I would like 18TB), and I didn't find anyone working on this. Maybe that has changed though. > For me there will be 2+1 solutions to get this running, > > a) (preferred): Having one logical drive w/o partitions or multiple LUNs > by doing some magic at my KERNCONF > > b) reverting to 2 Partitions and doing ccd(4) on the resulting /dev/da(1|2) This is what I did (using gvinum). > c) upgrading to a closer-to-current version to have some "hidden > feature" available? Wouldn't that be sweet? Maybe there are some coders out there bored looking for something to do.. :) Eric -- ------------------------------------------------------------------------ Eric Anderson Sr. Systems Administrator Centaur Technology A lost ounce of gold may be found, a lost moment of time never. ------------------------------------------------------------------------