From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from out5-smtp.messagingengine.com ([66.111.4.29]:48599 "EHLO out5-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751400AbcEKVLC convert rfc822-to-8bit (ORCPT ); Wed, 11 May 2016 17:11:02 -0400 Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailout.nyi.internal (Postfix) with ESMTP id F2D5E20DD6 for ; Wed, 11 May 2016 17:10:55 -0400 (EDT) Received: from ebox.rath.org (ebox.rath.org [45.79.69.51]) by mail.messagingengine.com (Postfix) with ESMTPA id B8B076801D9 for ; Wed, 11 May 2016 17:10:55 -0400 (EDT) Received: from thinkpad.rath.org (thinkpad [192.168.12.2]) by ebox.rath.org (Postfix) with ESMTPS id D48422A1D04 for ; Wed, 11 May 2016 21:10:54 +0000 (UTC) From: Nikolaus Rath To: linux-btrfs@vger.kernel.org Subject: fsck: to repair or not to repair Date: Wed, 11 May 2016 14:10:54 -0700 Message-ID: <87y47g1esh.fsf@thinkpad.rath.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Sender: linux-btrfs-owner@vger.kernel.org List-ID: Hello, I recently ran btrfsck on one of my file systems, and got the following messages: checking extents checking free space cache checking fs roots root 5 inode 3149867 errors 400, nbytes wrong root 5 inode 3150237 errors 400, nbytes wrong root 5 inode 3150238 errors 400, nbytes wrong root 5 inode 3150242 errors 400, nbytes wrong root 5 inode 3150260 errors 400, nbytes wrong [ lots of similar message with different inode numbers ] root 5 inode 15595011 errors 400, nbytes wrong root 5 inode 15595016 errors 400, nbytes wrong Checking filesystem on /dev/mapper/vg0-nikratio_crypt UUID: 8742472d-a9b0-4ab6-b67a-5d21f14f7a38 found 263648960636 bytes used err is 1 total csum bytes: 395314372 total tree bytes: 908644352 total fs tree bytes: 352735232 total extent tree bytes: 95039488 btree space waste bytes: 156301160 file data blocks allocated: 675209801728 referenced 410351722496 Btrfs v3.17 Can someone explain to me the risk that I run by attempting a repair, and (conversely) what I put at stake when continuing to use this file system as-is? Best, -Nikolaus -- GPG encrypted emails preferred. Key id: 0xD113FCAC3C4E599F Fingerprint: ED31 791B 2C5C 1613 AF38 8B8A D113 FCAC 3C4E 599F »Time flies like an arrow, fruit flies like a Banana.«