From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Graham Mitchell" Subject: RE: RAID6 and crashes (reporting back re. --bitmap) Date: Fri, 11 Jun 2010 08:25:22 -0400 Message-ID: <003e01cb0961$2a556bb0$7f004310$@woodlea.com> References: <4C1128C2.4020105@meetinghouse.net> <20100611005743.43664e5b@natsu> <4C11578B.8010202@meetinghouse.net> <20100611034108.6a2cdbc4@natsu> <4C1169CB.1030903@meetinghouse.net> <20100611085112.5f33b06f@natsu> <4C11BFB7.7050907@meetinghouse.net> <20100611150811.3c3f03bb@notabene.brown> <4C12199F.60108@xs4all.nl> Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4C12199F.60108@xs4all.nl> Content-Language: en-us Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org Cc: 'Miles Fidelman' , 'Neil Brown' , 'John Hendrikx' List-Id: linux-raid.ids > I was interested as well, so I ran this command: > I also was interested, and did mdadm -X /dev/md0, and this is my output... mdadm -X /dev/md0 Filename : /dev/md0 Magic : 00000000 mdadm: invalid bitmap magic 0x0, the bitmap file appears to be corrupted Version : 0 mdadm: unknown bitmap version 0, either the bitmap file is corrupted or you need to upgrade your tools mdadm --version mdadm - v3.0.3 - 22nd October 2009 uname -a Linux file00bert.woodlea.org.uk 2.6.32.12-115.fc12.i686.PAE #1 SMP Fri Apr 30 20:14:08 UTC 2010 i686 i686 i386 GNU/Linux cat /proc/mdstat Personalities : [raid6] [raid5] [raid4] md0 : active raid6 sdh1[0] sda1[14] sdp1[13] sdg1[12] sdo1[11] sdf1[10] sdk1[9] sdn1[8] sde1[7] sdj1[6] sdm1[5] sdd1[4] sdi1[3] sdl1[2] sdc1[1] 6348985344 blocks super 1.2 level 6, 512k chunk, algorithm 2 [15/15] [UUUUUUUUUUUUUUU] bitmap: 0/2 pages [0KB], 131072KB chunk unused devices: