From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932152AbWGGMiL (ORCPT ); Fri, 7 Jul 2006 08:38:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932153AbWGGMiL (ORCPT ); Fri, 7 Jul 2006 08:38:11 -0400 Received: from lucidpixels.com ([66.45.37.187]:35801 "EHLO lucidpixels.com") by vger.kernel.org with ESMTP id S932146AbWGGMiJ (ORCPT ); Fri, 7 Jul 2006 08:38:09 -0400 Date: Fri, 7 Jul 2006 08:38:08 -0400 (EDT) From: Justin Piszcz X-X-Sender: jpiszcz@p34.internal.lan To: linux-kernel@vger.kernel.org cc: linux-raid@vger.kernel.org Subject: Kernel 2.6.17 and RAID5 Grow Problem (critical section backup) Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org p34:~# mdadm /dev/md3 -a /dev/hde1 mdadm: added /dev/hde1 p34:~# mdadm -D /dev/md3 /dev/md3: Version : 00.90.03 Creation Time : Fri Jun 30 09:17:12 2006 Raid Level : raid5 Array Size : 1953543680 (1863.04 GiB 2000.43 GB) Device Size : 390708736 (372.61 GiB 400.09 GB) Raid Devices : 6 Total Devices : 7 Preferred Minor : 3 Persistence : Superblock is persistent Update Time : Fri Jul 7 08:25:44 2006 State : clean Active Devices : 6 Working Devices : 7 Failed Devices : 0 Spare Devices : 1 Layout : left-symmetric Chunk Size : 512K UUID : e76e403c:7811eb65:73be2f3b:0c2fc2ce Events : 0.232940 Number Major Minor RaidDevice State 0 22 1 0 active sync /dev/hdc1 1 56 1 1 active sync /dev/hdi1 2 3 1 2 active sync /dev/hda1 3 8 49 3 active sync /dev/sdd1 4 88 1 4 active sync /dev/hdm1 5 8 33 5 active sync /dev/sdc1 6 33 1 - spare /dev/hde1 p34:~# mdadm --grow /dev/md3 --raid-disks=7 mdadm: Need to backup 15360K of critical section.. mdadm: Cannot set device size/shape for /dev/md3: No space left on device p34:~# mdadm --grow /dev/md3 --bitmap=internal --raid-disks=7 mdadm: can change at most one of size, raiddisks, bitmap, and layout p34:~# umount /dev/md3 p34:~# mdadm --grow /dev/md3 --raid-disks=7 mdadm: Need to backup 15360K of critical section.. mdadm: Cannot set device size/shape for /dev/md3: No space left on device p34:~# The disk only has about 350GB of 1.8TB used, any idea why I get this error? I searched google but could not find anything on this issue when trying to grow the array?