From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Greaves Subject: Re: identifying failed disk/s in an array. Date: Wed, 23 Jan 2008 12:02:21 +0000 Message-ID: <47972CCD.5010600@dgreaves.com> References: <479765CF.A931.0080.0@ems.rmit.edu.au> <4796E529.7030502@wpkg.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4796E529.7030502@wpkg.org> Sender: linux-raid-owner@vger.kernel.org To: Tomasz Chmielewski Cc: Michael Harris , linux-raid@vger.kernel.org List-Id: linux-raid.ids Tomasz Chmielewski wrote: > Michael Harris schrieb: >> i have a disk fail say HDC for example, i wont know which disk HDC is >> as it could be any of the 5 disks in the PC. Is there anyway to make >> it easier to identify which disk is which?. > > If the drives have any LEDs, the most reliable way would be: > > dd if=/dev/drive of=/dev/null > > Then look which LED is the one which blinks the most. And/or use smartctl to look up the make/model/serial number and look at the drive label. I always do this to make sure I'm pulling the right drive (also useful to RMA the drive) David