From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alan Cox Subject: Re: Which disk is ata4? Date: Thu, 30 Aug 2012 17:39:56 +0100 Message-ID: <20120830173956.3a29d511@pyramind.ukuu.org.uk> References: <20120830162938.GA24523@x1.osrc.amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20120830162938.GA24523@x1.osrc.amd.com> Sender: linux-kernel-owner@vger.kernel.org To: Borislav Petkov Cc: Jan Engelhardt , Andy Lutomirski , Linux Kernel Mailing List , linux-ide@vger.kernel.org, Bjoern Franke , Tim Nufire List-Id: linux-ide@vger.kernel.org On Thu, 30 Aug 2012 18:29:38 +0200 Borislav Petkov wrote: > On Thu, Aug 30, 2012 at 06:14:46PM +0200, Jan Engelhardt wrote: > > This tells me everything to replace a disk. > > 1. sdparm -C stop /dev/sdb > > 2. Removing Z1F0KR3H from the chassis. > > Yep, the serial number is the best suggestion so far. > > Are we sure this serial number is always programmed in by the hdd > vendors so that sdparm can read it out? With three known exceptions - fake ones generated by some IT821X adapters in RAID mode - certain old Maxtor PATA drives had a peculiar firmware failure where they changed to some kind of default serial number. Very unusual. Was never really fully explained and seems to have been very rare. - drives so ancient they don't support IDENTIFY, and we don't support them in libata anyway ! Alan