From mboxrd@z Thu Jan 1 00:00:00 1970 From: Phil Turmel Subject: Re: dead RAID6 array on CentOS6.6 / kernel 3.19 Date: Tue, 10 Feb 2015 21:39:30 -0500 Message-ID: <54DAC0E2.2070303@turmel.org> References: <54DAB614.70302@athompso.net> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <54DAB614.70302@athompso.net> Sender: linux-raid-owner@vger.kernel.org To: athompso@athompso.net, linux-raid@vger.kernel.org Cc: "Board, MUUG" , elrepo@lists.elrepo.org List-Id: linux-raid.ids Hi Adam, On 02/10/2015 08:53 PM, Adam Thompson wrote: > So, I was doing some work on the new server tonight, stopping/starting > NFS caused a kernel panic, and I thought rebooting would be a good > idea... Apparently not! > Sure enough, no array. >> [root@muug ~]# cat /proc/mdstat >> Personalities : [raid1] [raid6] [raid5] [raid4] [raid10] >> md0 : active raid1 sdm1[0] sdn1[1] >> 1048512 blocks super 1.0 [2/2] [UU] >> bitmap: 0/1 pages [0KB], 65536KB chunk >> >> md127 : inactive sdk[10] sdj[9] sdi[8] sdl[12] >> 15627550048 blocks super 1.2 >> >> unused devices: Not really no array -- this remnant is inactive. On older kernel / mdadm combinations, you have to --stop the inactive array before you try again. Please add --verbose to your --assemble --force If that doesn't work, use a bootable thumb drive with current kernel and mdadm and --assemble --force again. Phil