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Napalmd

Btrfs volume crashed, storage pool ok

Question

Posted (edited)

Hi this happened yesterday and a reboot fixed the problem but today it didn't fix.

Volume appears in crash mode, and read only mode.

I logged in from ssh and looked at the logs, I saw this in dmesg after the reboot:

 

Quote


[   58.067202] CPU: 0 PID: 11964 Comm: btrfs-cleaner Tainted: PF        C O 3.10.105 #24922
[   58.067203] Hardware name: Intel Corporation S3210SH/S3210SH, BIOS S3200X38.86B.00.00.0052.112920101508 11/29/2010
[   58.067205]  ffffffff814c5a5d ffffffff810355c6 ffff8800557e68b0 ffff8800379cfae8
[   58.067207]  00000000fffffffb ffffffffa0ac8740 0000000000000419 ffffffff81035627
[   58.067209]  ffffffffa0acad48 ffff880000000020 ffff8800379cfaf8 ffff8800379cfab8
[   58.067212] Call Trace:
[   58.067218]  [<ffffffff814c5a5d>] ? dump_stack+0xc/0x15
[   58.067221]  [<ffffffff810355c6>] ? warn_slowpath_common+0x56/0x70
[   58.067225]  [<ffffffff81035627>] ? warn_slowpath_fmt+0x47/0x50
[   58.067236]  [<ffffffffa0a33ff5>] ? btrfs_del_csums+0x285/0x3c0 [btrfs]
[   58.067244]  [<ffffffffa0a0ea7d>] ? __btrfs_abort_transaction+0xdd/0x130 [btrfs]
[   58.067254]  [<ffffffffa0abd010>] ? add_to_free_space_tree+0xe0/0x100 [btrfs]
[   58.067264]  [<ffffffffa0a23860>] ? __btrfs_free_extent+0xa70/0xd60 [btrfs]
[   58.067274]  [<ffffffffa0a28bf3>] ? __btrfs_run_delayed_refs+0x443/0x11a0 [btrfs]
[   58.067284]  [<ffffffffa0a2e473>] ? btrfs_run_delayed_refs+0xb3/0x2c0 [btrfs]
[   58.067294]  [<ffffffffa0a2a510>] ? walk_up_tree+0xe0/0x200 [btrfs]
[   58.067304]  [<ffffffffa0a40b8a>] ? btrfs_should_end_transaction+0x3a/0x60 [btrfs]
[   58.067314]  [<ffffffffa0a2c4d0>] ? btrfs_drop_snapshot+0x390/0x950 [btrfs]
[   58.067326]  [<ffffffffa0a53976>] ? btrfs_run_defrag_inodes+0x96/0x350 [btrfs]
[   58.067337]  [<ffffffffa0a42888>] ? btrfs_clean_one_deleted_snapshot+0xb8/0x110 [btrfs]
[   58.067347]  [<ffffffffa0a381c0>] ? cleaner_kthread+0x1f0/0x260 [btrfs]
[   58.067357]  [<ffffffffa0a37fd0>] ? btree_invalidatepage+0x90/0x90 [btrfs]
[   58.067360]  [<ffffffff81051f2f>] ? kthread+0xaf/0xc0
[   58.067362]  [<ffffffff81051e80>] ? kthread_create_on_node+0x110/0x110
[   58.067365]  [<ffffffff814ccc0d>] ? ret_from_fork+0x5d/0xb0
[   58.067367]  [<ffffffff81051e80>] ? kthread_create_on_node+0x110/0x110
[   58.067368] ---[ end trace 27ae842d91e705b3 ]---
[   58.067371] BTRFS: error (device dm-0) in add_to_free_space_tree:1049: errno=-5 IO failure
[   58.076599] BTRFS info (device dm-0): forced readonly
[   58.076601] BTRFS: error (device dm-0) in __btrfs_free_extent:6872: errno=-5 IO failure
[   58.085534] BTRFS: error (device dm-0) in btrfs_run_delayed_refs:2978: errno=-5 IO failure

 

then in messages log I found many of these

Quote

BTRFS error (device dm-0): BTRFS: dm-0 failed to repair parent transid verify failure on 7833087508480, mirror = 2

 

2020-06-19T02:00:07+01:00 Servidor kernel: [50922.132991] parent transid verify failed on 7833087508480 wanted 9200 found 9148
2020-06-19T02:00:07+01:00 Servidor kernel: [50922.132993] parent transid verify failed on 7833087508480 wanted 9200 found 9148

 

 

I tried to do a btrfs --repair but it didn't work and didn't took note of the error. now the server is shutdown and I have to decide what to do next

This is a:

DSM 6.2.2-24922 Update 4

- Loader version and model: JUN'S LOADER v1.03b - DS3615xs
- Using custom extra.lzma: YES
- Installation type: BAREMETAL - Intel Server Board S3200SH + Core2Duo E7500

Installed just 2 months ago with shr2 and 6x4tb drives

 

dmesg messages2

Crashed.JPG

Crashed2.JPG

Edited by Napalmd
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Thanks but I don't think it is the same problem. my raid is fine. it is now resyncing because of a power loss. my problem is the btrfs partition with errors.

 

 mdadm --detail /dev/md2
/dev/md2:
        Version : 1.2
  Creation Time : Wed Dec  3 15:53:41 2014
     Raid Level : raid6
     Array Size : 15609134592 (14886.03 GiB 15983.75 GB)
  Used Dev Size : 3902283648 (3721.51 GiB 3995.94 GB)
   Raid Devices : 6
  Total Devices : 6
    Persistence : Superblock is persistent

    Update Time : Sat Jun 20 13:29:51 2020
          State : clean, resyncing
 Active Devices : 6
Working Devices : 6
 Failed Devices : 0
  Spare Devices : 0

         Layout : left-symmetric
     Chunk Size : 64K

  Resync Status : 59% complete

           Name : Servidor:2  (local to host Servidor)
           UUID : 3b1a196c:033ef402:0127fb72:d5d248a6
         Events : 5874045

    Number   Major   Minor   RaidDevice State
       5       8       21        0      active sync   /dev/sdb5
       1       8        5        1      active sync   /dev/sda5
       2       8       37        2      active sync   /dev/sdc5
       7       8       53        3      active sync   /dev/sdd5
       4       8       69        4      active sync   /dev/sde5
       6       8       85        5      active sync   /dev/sdf5

 

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raid sync come out with no problems:

root@Servidor:/tmp# cat /proc/mdstat
Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4] [raidF1]
md2 : active raid6 sdb5[5] sdf5[6] sde5[4] sdd5[7] sdc5[2] sda5[1]
      15609134592 blocks super 1.2 level 6, 64k chunk, algorithm 2 [6/6] [UUUUUU]

md1 : active raid1 sda2[0] sdb2[1] sdc2[2] sdd2[3] sde2[4] sdf2[5]
      2097088 blocks [12/6] [UUUUUU______]

md0 : active raid1 sda1[0] sdb1[1] sdc1[4] sdd1[2] sde1[3] sdf1[5]
      2490176 blocks [12/6] [UUUUUU______]

unused devices: <none>

root@Servidor:/tmp# cat /proc/mdstat
Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4] [raidF1]
md2 : active raid6 sdb5[5] sdf5[6] sde5[4] sdd5[7] sdc5[2] sda5[1]
      15609134592 blocks super 1.2 level 6, 64k chunk, algorithm 2 [6/6] [UUUUUU]

md1 : active raid1 sda2[0] sdb2[1] sdc2[2] sdd2[3] sde2[4] sdf2[5]
      2097088 blocks [12/6] [UUUUUU______]

md0 : active raid1 sda1[0] sdb1[1] sdc1[4] sdd1[2] sde1[3] sdf1[5]
      2490176 blocks [12/6] [UUUUUU______]

unused devices: <none>

after that I did this command to unmount volume1

syno_poweroff_task -d

then this to mount the logic volume

vgchange -ay

and then this check:

root@Servidor:/tmp# btrfs check /dev/vg1000/lv
Syno caseless feature on.
Checking filesystem on /dev/vg1000/lv
UUID: f850dff8-f678-4c95-bff2-667ffc8ff747
checking extents
parent transid verify failed on 7833087508480 wanted 9200 found 9148
parent transid verify failed on 7833087508480 wanted 9200 found 9148
parent transid verify failed on 7833087508480 wanted 9200 found 9148
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
leaf parent key incorrect 7833105842176
bad block 7833105842176
Errors found in extent allocation tree or chunk allocation
checking free space tree
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
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Ignoring transid failure
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Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
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parent transid verify failed on 7833087508480 wanted 9200 found 9148
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parent transid verify failed on 7833087508480 wanted 9200 found 9148
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parent transid verify failed on 7833087508480 wanted 9200 found 9148
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parent transid verify failed on 7833087508480 wanted 9200 found 9148
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parent transid verify failed on 7833087508480 wanted 9200 found 9148
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parent transid verify failed on 7833087508480 wanted 9200 found 9148
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parent transid verify failed on 7833087508480 wanted 9200 found 9148
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parent transid verify failed on 7833087508480 wanted 9200 found 9148
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parent transid verify failed on 7833087508480 wanted 9200 found 9148
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parent transid verify failed on 7833087508480 wanted 9200 found 9148
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parent transid verify failed on 7833087508480 wanted 9200 found 9148
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parent transid verify failed on 7833087508480 wanted 9200 found 9148
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parent transid verify failed on 7833087508480 wanted 9200 found 9148
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parent transid verify failed on 7833087508480 wanted 9200 found 9148
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parent transid verify failed on 7833087508480 wanted 9200 found 9148
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parent transid verify failed on 7833087508480 wanted 9200 found 9148
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parent transid verify failed on 7833087508480 wanted 9200 found 9148
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parent transid verify failed on 7833087508480 wanted 9200 found 9148
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parent transid verify failed on 7833087508480 wanted 9200 found 9148
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parent transid verify failed on 7833087508480 wanted 9200 found 9148
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parent transid verify failed on 7833087508480 wanted 9200 found 9148
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parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
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parent transid verify failed on 7833087508480 wanted 9200 found 9148
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parent transid verify failed on 7833087508480 wanted 9200 found 9148
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Ignoring transid failure
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Ignoring transid failure
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Ignoring transid failure
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Ignoring transid failure
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Ignoring transid failure
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Ignoring transid failure
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Ignoring transid failure
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Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
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Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
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Ignoring transid failure
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Ignoring transid failure
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Ignoring transid failure
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Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
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Ignoring transid failure
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Ignoring transid failure
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Ignoring transid failure
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Ignoring transid failure
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Ignoring transid failure
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parent transid verify failed on 7833087508480 wanted 9200 found 9148
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parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
parent transid verify failed on 7833087508480 wanted 9200 found 9148
Ignoring transid failure
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
leaf parent key incorrect 7833105842176
could not load free space tree: Operation not permitted
found 11437993906176 bytes used err is -22
total csum bytes: 49704
total tree bytes: 78594048
total fs tree bytes: 16384
total extent tree bytes: 77676544
btree space waste bytes: 9937509
file data blocks allocated: 0
 referenced 0

I guess I have a really bad problem here right?

I already copied recent files changed and I have a old backup of the files but I was wondering if I could salvage this, or should I get rid of it all and reinstall with ext4 partition?

 

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I cand mount the volume now, but I don't know if I am doing more damage to the filesystem

should I make a btrfs scrub? I really don't know what to do now. maybe I'll make extensive smart test on all drives.

root@Servidor:/tmp# mount /dev/vg1000/lv /volume1
root@Servidor:/tmp# ll /volume1
total 936
drwxr-xr-x  1 root  root     174 Jun 20 01:09 .
drwxr-xr-x 26 root  root    4096 Jun 20 01:09 ..
drwxr-xr-x  1 root  root      18 Apr  2 17:16 @appstore
drwxr-xr-x  1 admin users     76 Mar 29 16:21 @database
drwxrwxrwx  1 root  root      54 Jun 18 12:00 @eaDir
drwxr-xr-x  1 root  root    3774 Apr  2 00:21 Fotografia
drwxr-xr-x  1 root  root      24 Mar 29 16:21 @S2S
drwxr-xr-x  1 root  root     212 Jun 19 09:49 @sharesnap
drwxr-xr-x  1 root  root      84 Mar 29 16:21 @SynoFinder-log
-rw-------  1 root  root  953752 Jun  9 10:36 @thumbd.core.gz
drwxrwxrwt  1 root  root      34 Jun 20 01:09 @tmp
drwxr-xr-x  1 root  root     228 Apr 25 18:44 Video
root@Servidor:/tmp# mount
/dev/md0 on / type ext4 (rw,relatime,journal_checksum,barrier,data=ordered)
none on /dev type devtmpfs (rw,nosuid,noexec,relatime,size=1010956k,nr_inodes=252739,mode=755)
none on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
none on /proc type proc (rw,nosuid,nodev,noexec,relatime)
none on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
/tmp on /tmp type tmpfs (rw,relatime)
/run on /run type tmpfs (rw,nosuid,nodev,relatime,mode=755)
/dev/shm on /dev/shm type tmpfs (rw,nosuid,nodev,relatime)
none on /sys/fs/cgroup type tmpfs (rw,relatime,size=4k,mode=755)
cgmfs on /run/cgmanager/fs type tmpfs (rw,relatime,size=100k,mode=755)
cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,relatime,cpuset,release_agent=/run/cgmanager/agents/cgm-release-agent.cpuset,clone_children)
cgroup on /sys/fs/cgroup/cpu type cgroup (rw,relatime,cpu,release_agent=/run/cgmanager/agents/cgm-release-agent.cpu)
cgroup on /sys/fs/cgroup/cpuacct type cgroup (rw,relatime,cpuacct,release_agent=/run/cgmanager/agents/cgm-release-agent.cpuacct)
cgroup on /sys/fs/cgroup/memory type cgroup (rw,relatime,memory,release_agent=/run/cgmanager/agents/cgm-release-agent.memory)
cgroup on /sys/fs/cgroup/devices type cgroup (rw,relatime,devices,release_agent=/run/cgmanager/agents/cgm-release-agent.devices)
cgroup on /sys/fs/cgroup/freezer type cgroup (rw,relatime,freezer,release_agent=/run/cgmanager/agents/cgm-release-agent.freezer)
cgroup on /sys/fs/cgroup/blkio type cgroup (rw,relatime,blkio,release_agent=/run/cgmanager/agents/cgm-release-agent.blkio)
none on /proc/bus/usb type devtmpfs (rw,nosuid,noexec,relatime,size=1010956k,nr_inodes=252739,mode=755)
none on /sys/kernel/debug type debugfs (rw,relatime)
securityfs on /sys/kernel/security type securityfs (rw,relatime)
none on /config type configfs (rw,relatime)
/dev/mapper/vg1000-lv on /volume1 type btrfs (rw,relatime,space_cache=v2,ordered_extent_throttle=400000,metadata_ratio=50)
root@Servidor:/tmp# umount /volume1

 

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If your files are accessible read-only, I would not continue trying to repair the filesystem.  BTRFS is designed to self-heal while running and if it can't, the underlying corruption probably can't reliably be removed.  This is different than ext4 where the only way to correct a problem is through the administrative launch of e2fsck.

 

I would save your files elsewhere, delete the btrfs volume, rebuild it, and copy your files back on.  All BTRFS documentation recommend the same.

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I will do that, but in the meantime I tried to mount the volume in a ubuntu live following synology website instructions, but couldn't, it gave me error wrong fs type, bad option, bad superblock.

so I rebooted again to synology. it mounted the volume in read only. I did:

syno_poweroff_task -d

vgchange -ay

mount /dev/vg1000/lv /volume1
btrfs scrub start /volume1

btrfs scrub status /volume1
scrub status for f850dff8-f678-4c95-bff2-667ffc8ff747
        scrub started at Sun Jun 21 14:58:16 2020, running for 00:10:55
        total bytes scrubbed: 389.50GiB with 0 errors

 

I followed this guide for the last comands https://ownyourbits.com/2019/03/03/how-to-recover-a-btrfs-partition/

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Just an update. the scrub failed after about 8tb scanned with no errors, then the partition got mounted read only with errors in log:

[17129.062094] BTRFS: bad tree block start 9533940502566446060 7968269844480
[17150.566382] BTRFS: bad tree block start 9533940502566446060 7968269844480
[17150.566692] BTRFS: bad tree block start 9533940502566446060 7968269844480
[17150.567000] BTRFS: bad tree block start 9533940502566446060 7968269844480
[17167.924873] verify_parent_transid: 14 callbacks suppressed
[17167.924876] parent transid verify failed on 21004288 wanted 11024 found 8744
[17167.978074] parent transid verify failed on 21004288 wanted 11024 found 8744
[17168.062648] parent transid verify failed on 21004288 wanted 11024 found 8744
[17168.062651] parent transid verify failed on 21004288 wanted 11024 found 8744
[17168.062653] parent transid verify failed on 21004288 wanted 11024 found 8744
[17168.062655] parent transid verify failed on 21004288 wanted 11024 found 8744
[17168.062656] parent transid verify failed on 21004288 wanted 11024 found 8744
[17168.062658] parent transid verify failed on 21004288 wanted 11024 found 8744
[17168.062660] parent transid verify failed on 21004288 wanted 11024 found 8744
[17168.062661] parent transid verify failed on 21004288 wanted 11024 found 8744
[17168.062666] BTRFS error (device dm-0): BTRFS: dm-0 failed to repair parent transid verify failure on 21004288, mirror = 1

[17168.143761] BTRFS error (device dm-0): BTRFS: dm-0 failed to repair parent transid verify failure on 21004288, mirror = 2
root@Servidor:/# btrfs inspect-internal dump-super -f /dev/vg1000/lv
superblock: bytenr=65536, device=/dev/vg1000/lv
---------------------------------------------------------
csum                    0x78417bf4 [match]
bytenr                  65536
flags                   0x1
                        ( WRITTEN )
magic                   _BHRfS_M [match]
fsid                    f850dff8-f678-4c95-bff2-667ffc8ff747
label                   2020.03.29-15:21:18 v24922
generation              11024
root                    7979541921792
sys_array_size          129
chunk_root_generation   10780
root_level              1
chunk_root              20971520
chunk_root_level        1
log_root                0
log_root_transid        0
log_root_level          0
total_bytes             15983750152192
bytes_used              11437993906176
sectorsize              4096
nodesize                16384
leafsize                16384
stripesize              4096
root_dir                6
num_devices             1
compat_flags            0x8000000000000000
compat_ro_flags         0x3
                        ( FREE_SPACE_TREE |
                          FREE_SPACE_TREE_VALID )
incompat_flags          0x16b
                        ( MIXED_BACKREF |
                          DEFAULT_SUBVOL |
                          COMPRESS_LZO |
                          BIG_METADATA |
                          EXTENDED_IREF |
                          SKINNY_METADATA )
csum_type               0
csum_size               4
cache_generation        18446744073709551615
uuid_tree_generation    11024
dev_item.uuid           24970fb7-de22-4706-8ad2-37a5e16fe640
dev_item.fsid           f850dff8-f678-4c95-bff2-667ffc8ff747 [match]
dev_item.type           0
dev_item.total_bytes    15983750152192
dev_item.bytes_used     11858421481472
dev_item.io_align       4096
dev_item.io_width       4096
dev_item.sector_size    4096
dev_item.devid          1
dev_item.dev_group      0
dev_item.seek_speed     0
dev_item.bandwidth      0
dev_item.generation     0
sys_chunk_array[2048]:
        item 0 key (FIRST_CHUNK_TREE CHUNK_ITEM 20971520)
                chunk length 8388608 owner 2 stripe_len 65536
                type SYSTEM|DUP num_stripes 2
                        stripe 0 devid 1 offset 20971520
                        dev uuid: 24970fb7-de22-4706-8ad2-37a5e16fe640
                        stripe 1 devid 1 offset 29360128
                        dev uuid: 24970fb7-de22-4706-8ad2-37a5e16fe640
backup_roots[4]:
        backup 0:
                backup_tree_root:       7968267894784   gen: 11023      level: 1
                backup_chunk_root:      20971520        gen: 10780      level: 1
                backup_extent_root:     7968267485184   gen: 11023      level: 2
                backup_fs_root:         0       gen: 0  level: 0
                backup_dev_root:        7968268140544   gen: 11023      level: 1
                backup_csum_root:       7968267567104   gen: 11023      level: 1
                backup_total_bytes:     15983750152192
                backup_bytes_used:      11437993906176
                backup_num_devices:     1

        backup 1:
                backup_tree_root:       7979541921792   gen: 11024      level: 1
                backup_chunk_root:      20971520        gen: 10780      level: 1
                backup_extent_root:     7979541774336   gen: 11024      level: 2
                backup_fs_root:         29638656        gen: 8  level: 0
                backup_dev_root:        7979542020096   gen: 11024      level: 1
                backup_csum_root:       7968267567104   gen: 11023      level: 1
                backup_total_bytes:     15983750152192
                backup_bytes_used:      11437993906176
                backup_num_devices:     1

        backup 2:
                backup_tree_root:       7956994949120   gen: 11021      level: 1
                backup_chunk_root:      20971520        gen: 10780      level: 1
                backup_extent_root:     7956994834432   gen: 11021      level: 2
                backup_fs_root:         29638656        gen: 8  level: 0
                backup_dev_root:        7956993409024   gen: 11019      level: 1
                backup_csum_root:       7945718988800   gen: 11017      level: 1
                backup_total_bytes:     15983750152192
                backup_bytes_used:      11437993906176
                backup_num_devices:     1

        backup 3:
                backup_tree_root:       7956995506176   gen: 11022      level: 1
                backup_chunk_root:      20971520        gen: 10780      level: 1
                backup_extent_root:     7956995342336   gen: 11022      level: 2
                backup_fs_root:         29638656        gen: 8  level: 0
                backup_dev_root:        7956993409024   gen: 11019      level: 1
                backup_csum_root:       7956995653632   gen: 11023      level: 1
                backup_total_bytes:     15983750152192
                backup_bytes_used:      11437993906176
                backup_num_devices:     1

I think I'll swap the motherboard, I have one generic intel with i3-2100 it was for another thing but now will be for this, because I don't know what could cause it and don't want it to happen again....

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