From mboxrd@z Thu Jan 1 00:00:00 1970 From: seth vidal Subject: Re: Invalid superblock on drives in array Date: Thu, 25 Dec 2003 11:58:48 -0500 Sender: linux-raid-owner@vger.kernel.org Message-ID: <1072371527.3636.1.camel@binkley> References: Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: To: Peter Jonsson Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids On Thu, 2003-12-25 at 11:58, Peter Jonsson wrote: > Hi! > > I'm running a RAID-5 setup using six Seagate ST19171W SUN9.0G drives off a > Sun Multipack connected to an Adaptec 2940UW. I used to have the multipack > connected to a Sparcstation 5 but I moved it yesterday. Everything was > running fine until I rebooted the machine. > if this was running on a sparc then you might want to look at: mdadm --update=sparc2.2 look at the mdadm man page: The sparc2.2 option will adjust the superblock of an array what was created on a Sparc machine run- ning a patched 2.2 Linux kernel. This kernel got the alignment of part of the superblock wrong. You can use the --examine --sparc2.2 option to mdadm to see what effect this would have. > I'm not really sure what happend. I think what I did was to reboot the > machine to use a new kernel. This machine was a clean RH9 installation and > I applied a 'yum upgrade' to it after installing yum. I have since tried > to use the array with the older kernel but that don't work either. > Oh and I'm also the yum author and I assure you, yum doesn't touch ANYTHING related to raid arrays, it just updates packages :) -sv