From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Thomas J. Baker" Subject: Re: Any hope for a 27 disk RAID6+1HS array with four disks reporting "No md superblock detected"? Date: Wed, 04 Feb 2009 16:03:57 -0500 Message-ID: <1233781437.696.2.camel@localhost.localdomain> References: <1233775657.10151.5.camel@localhost.localdomain> <4989FF7B.6030503@scalableinformatics.com> Reply-To: tjb@unh.edu Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4989FF7B.6030503@scalableinformatics.com> Sender: linux-raid-owner@vger.kernel.org To: landman@scalableinformatics.com Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids On Wed, 2009-02-04 at 15:50 -0500, Joe Landman wrote: > Thomas J. Baker wrote: > > Any help greately appreciated. Here are the details: > > > > [root@node002 ~]# ./examineRAIDDisks > > mdadm -E /dev/sdb1 /dev/sdc1 /dev/sdd1 /dev/sde1 /dev/sdf1 /dev/sdg1 /dev/sdh1 /dev/sdi1 /dev/sdj1 /dev/sdk1 /dev/sdl1 /dev/sdm1 /dev/sdn1 /dev/sdo1 /dev/sdp1 /dev/sdq1 /dev/sdr1 /dev/sds1 /dev/sdt1 /dev/sdu1 /dev/sdv1 /dev/sdw1 /dev/sdx1 /dev/sdy1 /dev/sdz1 /dev/sdaa1 /dev/sdab1 /dev/sdac1 > > /dev/sdb1: > > Magic : a92b4efc > > Version : 00.90.00 > > Hi Thomas: > > Don't you need 1.0 or higher superblocks to make this work? > > Joe The array was made probably two years ago and had been working fine until recently. In reading the documentation for mdadm, it did seem like it should have required me to use the higher version but it never complained when I made it and worked fine. Thanks, tjb -- ======================================================================= | Thomas Baker email: tjb@unh.edu | | Systems Programmer | | Research Computing Center voice: (603) 862-4490 | | University of New Hampshire fax: (603) 862-1761 | | 332 Morse Hall | | Durham, NH 03824 USA http://wintermute.sr.unh.edu/~tjb | =======================================================================