From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: 64-bit SCSI LUN addressing on Linux Date: Thu, 30 Jun 2005 17:11:24 +0100 Message-ID: <20050630161124.GA29852@infradead.org> References: <42C41745.1020302@datadirectnet.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from pentafluge.infradead.org ([213.146.154.40]:18311 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S263000AbVF3QLa (ORCPT ); Thu, 30 Jun 2005 12:11:30 -0400 Content-Disposition: inline In-Reply-To: <42C41745.1020302@datadirectnet.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: "Martin W. Schlining III" Cc: Linux-SCSI Mailing List On Thu, Jun 30, 2005 at 12:01:09PM -0400, Martin W. Schlining III wrote: > Does Linux support 64-bit SCSI LUN addressing? Suppose I have a system > that can create SCSI LUNs that are greater than 2TB using a block size > of 512 bytes and can accept 16 byte CDBs, can I use this LUN with a 2.6 > series Linux kernel? Yes. > If so, are there any filesystems (ext3, XFS, etc. ) that can use a LUN > > 2TB? XFS has been tested heavily with big luns, but the others should work aswell. > Would I need any additional tools? no. > Would I need a 64-bit platform? For filesystem sizes < 16TB you can use 32bit platforms, above that you need a 64bit kernel.