From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.gmx.net ([212.227.15.19]:57340 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752060AbbAIPNr (ORCPT ); Fri, 9 Jan 2015 10:13:47 -0500 Received: from [192.168.178.40] ([94.219.210.74]) by mail.gmx.com (mrgmx001) with ESMTPSA (Nemesis) id 0MaaOf-1YOfIW3BoP-00K7Cq for ; Fri, 09 Jan 2015 16:13:45 +0100 Message-ID: <1420816425.4982.7.camel@AMD> Subject: btrfs scrub and kernel parent transid From: Lars Callenbach To: linux-btrfs@vger.kernel.org Date: Fri, 09 Jan 2015 16:13:45 +0100 Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Sender: linux-btrfs-owner@vger.kernel.org List-ID: Hello, in kernel logs I get an error message of the type 'parent transid verify failed' but 'btrfs scrub ...' does not show any errors/inconsistencies. Do I have to worry about these kernel error messages? Best regards, Lars ~ # uname -a Linux 3.17.8-MYVERSION #1 SMP PREEMPT Thu Jan 8 23:29:09 CET 2015 x86_64 x86_64 x86_64 GNU/Linux ~ # btrfs --version Btrfs v3.18+20141230 ~ # btrfs fi show Label: none uuid: 1436cbe7-2bb2-418a-8426-8c3267e0b207 Total devices 2 FS bytes used 156.14GiB devid 1 size 200.00GiB used 79.02GiB path /dev/sdc1 devid 2 size 200.00GiB used 80.00GiB path /dev/sdb1 Btrfs v3.18+20141230 ~ # btrfs fi df / Data, single: total=155.01GiB, used=153.17GiB System, single: total=4.00MiB, used=24.00KiB Metadata, single: total=4.01GiB, used=2.97GiB GlobalReserve, single: total=512.00MiB, used=0.00B ~ # dmesg | less [ 2.632199] Btrfs loaded [ 2.775988] BTRFS: device fsid 1436cbe7-2bb2-418a-8426-8c3267e0b207 devid 1 transid 35348 /dev/sdc1 [ 2.776216] BTRFS: device fsid 1436cbe7-2bb2-418a-8426-8c3267e0b207 devid 2 transid 35348 /dev/sdb1 [ 2.893536] BTRFS info (device sdb1): use ssd allocation scheme [ 2.893576] BTRFS info (device sdb1): disk space caching is enabled [ 2.966782] BTRFS info (device sdb1): disk space caching is enabled [ 3.301071] BTRFS info (device sdb1): disk space caching is enabled [ 3.405363] parent transid verify failed on 1514311680 wanted 21004 found 35043 [ 3.406370] parent transid verify failed on 17290989568 wanted 21054 found 32893 [ 3.407234] parent transid verify failed on 17290989568 wanted 21054 found 32893 [ 3.409509] parent transid verify failed on 1514311680 wanted 21004 found 35043 [ 3.410150] parent transid verify failed on 17290989568 wanted 21054 found 32893 [ 3.429175] parent transid verify failed on 1514311680 wanted 21004 found 35043 [ 8.855751] verify_parent_transid: 210 callbacks suppressed [ 8.855758] parent transid verify failed on 17290989568 wanted 21054 found 32893 [ 8.879863] parent transid verify failed on 17290989568 wanted 21054 found 32893 [ 8.881082] parent transid verify failed on 17290989568 wanted 21054 found 32893 [ 8.910707] parent transid verify failed on 17290989568 wanted 21054 found 32893 [ 8.943407] parent transid verify failed on 17290989568 wanted 21054 found 32893 [ 8.948028] parent transid verify failed on 17290989568 wanted 21054 found 32893 [ 8.996504] parent transid verify failed on 17290989568 wanted 21054 found 32893 [ 9.038146] parent transid verify failed on 17290989568 wanted 21054 found 32893 [ 9.047055] parent transid verify failed on 17290989568 wanted 21054 found 32893 [ 9.055749] parent transid verify failed on 17290989568 wanted 21054 found 32893