From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from aserp1040.oracle.com ([141.146.126.69]:22522 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751363AbaKDDHm (ORCPT ); Mon, 3 Nov 2014 22:07:42 -0500 Message-ID: <54584403.1080501@oracle.com> Date: Tue, 04 Nov 2014 11:12:03 +0800 From: Anand Jain MIME-Version: 1.0 To: Paul Jones , "linux-btrfs@vger.kernel.org" Subject: Re: btrfs check - Couldn't open file system References: In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: very strange. I have no clue, yet. also bit concerned if this turns out to be a real issue. hope you could help to narrow down. can you send `blkid` output from your system. And can you go back to 3.16 and check if you have the same issue. thanks, anand > IWT-VM ~ # uname -a > Linux IWT-VM 3.17.2-gentoo #1 SMP Mon Nov 3 15:46:50 AEDT 2014 x86_64 Intel(R) Xeon(R) CPU E5-2620 0 @ 2.00GHz GenuineIntel GNU/Linux > IWT-VM ~ # mount > /dev/sdb2 on / type btrfs (rw,noatime,compress=zlib,ssd,noacl,space_cache) > /dev/sdh1 on /media/fast type btrfs (rw,noatime,ssd,noacl,space_cache) > /dev/sdg3 on /media/backup type btrfs (rw,noatime,compress=zlib,noacl,space_cache) > /dev/sda1 on /media/data type btrfs (rw,noatime,compress=zlib,noacl,space_cache) > IWT-VM ~ # btrfs fi sh > Label: 'Root' uuid: 61f6ce80-6d05-414f-9f0f-3d540fa82f2e > Total devices 2 FS bytes used 6.58GiB > devid 4 size 60.00GiB used 18.03GiB path /dev/sdb2 > devid 5 size 59.93GiB used 18.03GiB path /dev/sdi3 > > Label: 'Fast' uuid: c41dc6db-6f00-4d60-a2f7-acbceb25e4e7 > Total devices 3 FS bytes used 396.85GiB > devid 1 size 471.93GiB used 416.02GiB path /dev/sdh1 > devid 2 size 412.00GiB used 356.01GiB path /dev/sdi1 > devid 3 size 163.57GiB used 108.01GiB path /dev/sdb1 > > Label: 'Backup' uuid: 92162be2-e52f-42fe-a9fd-da4f26c6abd1 > Total devices 5 FS bytes used 2.74TiB > devid 6 size 891.50GiB used 822.00GiB path /dev/sdg3 > devid 8 size 698.64GiB used 629.00GiB path /dev/sdd1 > devid 9 size 891.51GiB used 821.03GiB path /dev/sde3 > devid 10 size 2.73TiB used 2.66TiB path /dev/sdc1 > devid 11 size 931.51GiB used 924.00GiB path /dev/sdf1 > > Label: 'Data' uuid: 89181f84-bace-43f8-9534-693f99c4d033 > Total devices 2 FS bytes used 42.50GiB > devid 1 size 279.46GiB used 211.03GiB path /dev/sda1 > devid 2 size 279.46GiB used 211.03GiB path /dev/sdj1 > > Btrfs v3.17 > IWT-VM ~ # umount /media/backup > umount: /media/backup: not mounted > IWT-VM ~ # btrfs check /dev/sdg3 > Couldn't open file system > IWT-VM ~ # btrfs check /dev/sdd1 > Couldn't open file system > IWT-VM ~ # btrfs check /dev/sde3 > Couldn't open file system > IWT-VM ~ # btrfs check /dev/sda1 > Checking filesystem on /dev/sda1 > UUID: 89181f84-bace-43f8-9534-693f99c4d033 > checking extents > checking free space cache > checking fs roots > checking csums > checking root refs > found 38060448123 bytes used err is 0 > total csum bytes: 44401072 > total tree bytes: 110723072 > total fs tree bytes: 50872320 > total extent tree bytes: 9994240 > btree space waste bytes: 12145264 > file data blocks allocated: 45618331648 > referenced 48120782848 > Btrfs v3.17 > -- > 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 >