From: Brad Campbell Subject: Re: Online resize issue with 3.13.5 & 3.15.6 Date: Sat, 26 Jul 2014 11:31:02 +0800 Message-ID: <53D320F6.40809@fnarfbargle.com> References: <53CBA75B.2030102@fnarfbargle.com> <53CC66DA.2080804@fnarfbargle.com> <20140725081312.GO6397@azat> <53D24307.6050903@fnarfbargle.com> <20140725140715.GR1865@thunk.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Azat Khuzhin , linux-ext4@vger.kernel.org To: Theodore Ts'o Return-path: Received: from ns3.fnarfbargle.com ([103.4.17.7]:36461 "EHLO ns3.fnarfbargle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751483AbaGZDbL (ORCPT ); Fri, 25 Jul 2014 23:31:11 -0400 In-Reply-To: <20140725140715.GR1865@thunk.org> Sender: linux-ext4-owner@vger.kernel.org List-ID: On 25/07/14 22:07, Theodore Ts'o wrote: > On Fri, Jul 25, 2014 at 07:44:07PM +0800, Brad Campbell wrote: >> >> Appreciate you taking a look at this and I see where you are going with it. > > This patch looks good to me. If you could give it a try, I would > appreciate it. > > This looks like the same bug which was reported in Ubuntu: > > https://bugs.launchpad.net/ubuntu/+source/e2fsprogs/+bug/1321958 The patch would not apply automatically to 1.42.11 but was easy enough to apply by hand. root@srv:~/src/e2fsprogs/e2fsprogs-1.42.11/resize# ./resize2fs -d 255 /dev/md0 resize2fs 1.42.11 (09-Jul-2014) fs has 4007207 inodes, 1957 groups required. fs requires 4374122900 data blocks. With 1957 group(s), we have 63820826 blocks available. Added 131540 extra group(s), blks_needed 4374122900, data_blocks 4356990326, last_start 4356599580 Added 523 extra group(s), blks_needed 4374122900, data_blocks 4374059350, last_start 4373440788 Added 2 extra group(s), blks_needed 4374122900, data_blocks 4374124886, last_start 4373473426 Last group's overhead is 1430 Need 649474 data blocks in last group Final size of last group is 650904 Estimated blocks needed: 4391437088 Extents safety margin: 2826959 Filesystem at /dev/md0 is mounted on /server; on-line resizing required old_desc_blocks = 2768, new_desc_blocks = 2795 ./resize2fs: Invalid argument While checking for on-line resizing support [489412.650430] EXT4-fs (md0): resizing filesystem from 5804916736 to 5860149888 blocks [489412.700282] EXT4-fs warning (device md0): verify_reserved_gdb:713: reserved GDT 2769 missing grp 177147 (5804755665) [489412.739676] EXT4-fs (md0): resized filesystem to 5860149888 [489413.215230] EXT4-fs warning (device md0): ext4_group_extend:1720: can't shrink FS - resize aborted