From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dkim2.fusionio.com ([66.114.96.54]:55530 "EHLO dkim2.fusionio.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758081Ab3DANvs (ORCPT ); Mon, 1 Apr 2013 09:51:48 -0400 Received: from mx1.fusionio.com (unknown [10.101.1.160]) by dkim2.fusionio.com (Postfix) with ESMTP id E52979A0689 for ; Mon, 1 Apr 2013 07:51:47 -0600 (MDT) Date: Mon, 1 Apr 2013 09:51:43 -0400 From: Josef Bacik To: Chris Kastorff CC: Josef Bacik , Roman Mamedov , "linux-btrfs@vger.kernel.org" Subject: Re: BTRFS error in __btrfs_inc_extent_ref:1935: Object already exists Message-ID: <20130401135143.GI1876@localhost.localdomain> References: <20130401041540.4b8a4ab3@natsu> <20130401043605.2eb250a7@natsu> <20130401141207.533886a2@natsu> <20130401133110.GH1876@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" In-Reply-To: Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Mon, Apr 01, 2013 at 07:45:16AM -0600, Chris Kastorff wrote: > I have a (larger, 7x2TB at RAID10) filesystem that was recently hit by > this. Same story; filesystem works normally, balance start, works for > a while, then fails with similar stack traces and remounts read-only, > after a reboot does not mount at all with similar error messages and > stack traces. > > The FS is still in that state. I'll grab an image and mail a link > privately. I don't need to do anything special for btrfs-image on a > multi-device fs, right? > Right it will grab stuff from whatever mirror it's on and put it in the image. Make sure to use -w, if the extent tree is corrupt the -w will make sure it actually grabs all of the file system. Thanks, Josef