From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout0.freenet.de ([195.4.92.90]:51036 "EHLO mout0.freenet.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932468AbcHJUph (ORCPT ); Wed, 10 Aug 2016 16:45:37 -0400 Subject: Re: BTRFS: error (device sda1) in btrfs_run_delayed_refs:2963: errno=-17 Object already exists References: <1c409a92-978d-a37a-75ae-8ff2e84f5674@techsquare.com> <5c6c7531-0dac-8f93-c466-609b4a809b93@techsquare.com> To: Matt McKinnon , linux-btrfs@vger.kernel.org From: g6094199@freenet.de Message-ID: Date: Wed, 10 Aug 2016 22:43:38 +0200 MIME-Version: 1.0 In-Reply-To: <5c6c7531-0dac-8f93-c466-609b4a809b93@techsquare.com> Content-Type: text/plain; charset=utf-8 Sender: linux-btrfs-owner@vger.kernel.org List-ID: Am 10.08.2016 um 13:16 schrieb Matt McKinnon: > I performed a quick balance which gave me: > > [39020.030638] BTRFS info (device sda1): relocating block group > 25428383236096 flags 1 > [39020.206097] BTRFS warning (device sda1): block group 23113395863552 > has wrong amount of free space > [39020.206101] BTRFS warning (device sda1): failed to load free space > cache for block group 23113395863552, rebuilding it now > > then a crash dump. > > Remounted with -o clear_cache,nospace_cache and the balance completed. > Running a larger balance now. > > Will umount, and remount with default options to see if that works. > > -Matt i guess the crash info would be very interesing for some devs here! sash > > On 08/10/2016 03:09 AM, g6094199@freenet.de wrote: >> Hi, >> >> from what i see you have a non finished balance ongoing, since you have >> system and metadata DUP and single information on disk. >> >> so you should (re)run a balance for this data. >> >> >> sash >> >> >> Am 10.08.2016 um 02:17 schrieb Matt McKinnon: >>> -o usebackuproot worked well. >>> >>> after the file system settled, performing a sync and a clean umount, a >>> normal mount works now as well. >>> >>> Anything I should be doing going forward? >>> >>> Thanks, >>> Matt >>> >>> On 08/09/2016 08:01 PM, Chris Murphy wrote: >>>> On Tue, Aug 9, 2016 at 5:15 PM, Matt McKinnon >>>> wrote: >>>>> Hello, >>>>> >>>>> Our server recently crashed and was rebooted. When it returned our >>>>> BTRFS >>>>> volume is mounting read-only: >>>> >>>> What happens when you try mounting with -o usebackuproot ? >>>> >>>> If that fails, what output do you get for 'btrfs check' (without >>>> --repair)? If you only get some "errors 400, nbytes wrong" then >>>> --repair should fix the problem. >>>> >>>> >>>> >>> -- >>> To unsubscribe from this list: send the line "unsubscribe >>> linux-btrfs" in >>> the body of a message to majordomo@vger.kernel.org >>> More majordomo info at http://vger.kernel.org/majordomo-info.html >> >>