From mboxrd@z Thu Jan 1 00:00:00 1970 From: Luca Berra Subject: issue with internal bitmaps Date: Thu, 6 Jul 2006 16:12:07 +0200 Message-ID: <20060706141207.GC21642@percy.comedia.it> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Return-path: Content-Disposition: inline Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org List-Id: linux-raid.ids hello, i just realized that internal bitmaps do not seem to work anymore. kernel 2.6.17 mdadm 2.5.2 [root@localhost ~]# mdadm --create --level=1 -n 2 -e 1 --bitmap=internal /dev/md100 /dev/sda1 /dev/sda2 mdadm: array /dev/md100 started. ... wait awhile ... [root@localhost ~]# cat /proc/mdstat Personalities : [raid1] md100 : active raid1 sda2[1] sda1[0] 1000424 blocks super 1.0 [2/2] [UU] bitmap: 4/4 pages [16KB], 128KB chunk unused devices: [root@localhost ~]# mdadm -X /dev/md100 Filename : /dev/md100 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 [root@localhost ~]# cat /proc/mdstat Personalities : [raid1] md100 : active raid1 sda2[1] sda1[0] 1000424 blocks super 1.0 [2/2] [UU] bitmap: 0/4 pages [0KB], 128KB chunk unused devices: [root@localhost ~]# mdadm -D /dev/md100 /dev/md100: Version : 01.00.03 Creation Time : Thu Jul 6 16:05:10 2006 Raid Level : raid1 Array Size : 1000424 (977.14 MiB 1024.43 MB) Device Size : 1000424 (977.14 MiB 1024.43 MB) Raid Devices : 2 Total Devices : 2 Preferred Minor : 100 Persistence : Superblock is persistent Intent Bitmap : Internal Update Time : Thu Jul 6 16:07:11 2006 State : active Active Devices : 2 Working Devices : 2 Failed Devices : 0 Spare Devices : 0 Name : 100 UUID : 60cd0dcb:fde52377:699453f7:da96b9d4 Events : 1 Number Major Minor RaidDevice State 0 8 1 0 active sync /dev/sda1 1 8 2 1 active sync /dev/sda2 -- Luca Berra -- bluca@comedia.it Communication Media & Services S.r.l. /"\ \ / ASCII RIBBON CAMPAIGN X AGAINST HTML MAIL / \