From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262477AbVHDLPd (ORCPT ); Thu, 4 Aug 2005 07:15:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262478AbVHDLPd (ORCPT ); Thu, 4 Aug 2005 07:15:33 -0400 Received: from [81.2.110.250] ([81.2.110.250]:64958 "EHLO localhost.localdomain") by vger.kernel.org with ESMTP id S262477AbVHDLPb (ORCPT ); Thu, 4 Aug 2005 07:15:31 -0400 Subject: Re: IDE disk and HPA From: Alan Cox To: Oliver Tennert Cc: linux-kernel@vger.kernel.org In-Reply-To: <200508040914.10810.tennert@science-computing.de> References: <200507221417.04640.tennert@science-computing.de> <1122043638.9478.14.camel@localhost.localdomain> <200508040914.10810.tennert@science-computing.de> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Thu, 04 Aug 2005 12:41:27 +0100 Message-Id: <1123155687.6278.6.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.2.2 (2.2.2-5) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Iau, 2005-08-04 at 09:14 +0200, Oliver Tennert wrote: > partitioning and filesystems. The point is, IF there is an HPA, there MIGHT > be a partitioning scheme and some filesystems on the disk which rely on the > size of disk being the native size MINUS the HPA. Thats fine, Linux is quite happy with such a partitioning table. > Also there might be some contents in the HPA which is vulnerable to deletion > if exposed to the OS in such a transparent way. By opening the raw disk file yes, but that is not a big concern > Why is the HPA not just left alone? As I said before - because in most cases the HPA is used just to fool an old bios into booting a large disk.