From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtpcm9-101.freemail.mail.aliyun.com ([115.124.18.1]:41028 "EHLO smtpcm9-301.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751772Ab3H2CeH convert rfc822-to-8bit (ORCPT ); Wed, 28 Aug 2013 22:34:07 -0400 Date: Thu, 29 Aug 2013 10:34:00 +0800 From: "lilofile" To: Message-ID: <7c55ea3f-bb6d-4e77-8d2f-6368b437ed6a@aliyun.com> Subject: =?UTF-8?B?YnVn?= MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Sender: linux-btrfs-owner@vger.kernel.org List-ID: I made a btrfs on five disks using RAID5 (-d raid5 for mount option). When a power failure occurs, I can not remount btrfs after my system reboots. Dmesg for remount is presented as following: [ 192.713953] bio: create slab at 1 [ 192.716230] Btrfs loaded [ 192.717177] device fsid a0dff7ea-9354-43fd-8516-0e17f370991d devid 1 transid 6 /dev/sdb [ 192.717712] btrfs: disk space caching is enabled [ 192.720572] btrfs: failed to read the system array on sdb [ 192.723398] btrfs: open_ctree failed linux md raid5 have resync , the test seems btrfs raid5 have not resync,how fix the bug?