From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: > 2TB storage Date: Mon, 24 Oct 2005 11:48:56 -0400 Message-ID: <435D0268.7060907@pobox.com> References: <2E9B8131C44AF746B1E06BF9B15A434B088E37B7@mail.siliconimage.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail.dvmed.net ([216.237.124.58]:7113 "EHLO mail.dvmed.net") by vger.kernel.org with ESMTP id S1751103AbVJXPtE (ORCPT ); Mon, 24 Oct 2005 11:49:04 -0400 In-Reply-To: <2E9B8131C44AF746B1E06BF9B15A434B088E37B7@mail.siliconimage.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Carlos Pardo Cc: Tejun Heo , linux-ide@vger.kernel.org, Edward Falk Carlos Pardo wrote: > To everyone, > > Has anyone tested libATA drivers using disks bigger than 2 Terabytes? I just attached what is > essentially a 2.2 TB disk drive to a Silicon Image 3114 chipset. It reported around 300 Megabytes > instead of the expected 2200 Megabytes. How is the disk geometry determined ? Is it done by > reading the IDENTIFY data or by accessing the BIOS ? Thanks in advance for any feedback. We read IDENTIFY DEVICE data directly, and use that... Make sure you have CONFIG_LBD turned on, as Randy mentioned. There may be other factors at play here too that I'm not seeing... Jeff