From: Qu Wenruo <quwenruo.btrfs@gmx.com>
To: "Paulsen, Alexander" <alexander@paulsen.at>, linux-btrfs@vger.kernel.org
Subject: Re: raid6 fails to mount after disk failure with unclean shutdown
Date: Mon, 17 Jun 2019 12:54:21 +0800 [thread overview]
Message-ID: <e6873ca5-5dc3-ae67-99f3-a9b044dddcfa@gmx.com> (raw)
In-Reply-To: <CAKTMA7ZgoOB65h3PXqK+0Ffsxefd5hDj=zWEN7UkekPWNk6amw@mail.gmail.com>
[-- Attachment #1.1: Type: text/plain, Size: 30231 bytes --]
On 2019/6/15 下午2:21, Paulsen, Alexander wrote:
> My raid6 fails to mount after a disk failure with unclean shutdown
>
> From other posts I understand that if there is a still working chunk
> root I could still get some data back
> I have the really important data in backups, but most of my holiday
> photos/videos are only on the array, so I'm happy about any partial
> data that you could help me restore
>
> I've listed below the output of what I've tried so far below
>
> Hope you can help
>
> Regards,
> Alexander
>
> ====================
> uname -a
> Linux fileserver 4.19.44-gentoo #1 SMP Thu May 30 18:05:14 CEST 2019
> x86_64 Intel(R) Atom(TM) CPU C2550 @ 2.40GHz GenuineIntel GNU/Linux
>
> ====================
> btrfs --version
> btrfs-progs v5.1
>
> ====================
> btrfs fi show
> warning, device 5 is missing
> warning, device 5 is missing
Already missing one device, this means now raid6 can only tolerant one
device corruption.
> checksum verify failed on 24535404544000 found B267AF82 wanted 3AA9B87A
> checksum verify failed on 24535404544000 found 76ED7CB0 wanted 8F0CFD32
> checksum verify failed on 24535404544000 found 76ED7CB0 wanted 8F0CFD32
> bad tree block 24535404544000, bytenr mismatch, want=24535404544000,
> have=2218124645305391268
> Couldn't read chunk tree
This means the corruption happens at chunk tree, which is needed to
bootstrap and a very critical tree.
Could you get that missing device back and try again before trying any
other recovery?
> Label: 'storageraid' uuid: 3d64f87e-ad07-4699-b1b8-3f7641e06a40
> Total devices 7 FS bytes used 6.33TiB
> devid 1 size 3.64TiB used 1.29TiB path /dev/sdd
> devid 2 size 3.64TiB used 1.29TiB path /dev/sde
> devid 3 size 3.64TiB used 1.29TiB path /dev/sdc
> devid 4 size 2.73TiB used 1.29TiB path /dev/sdh
> devid 6 size 2.73TiB used 1.29TiB path /dev/sdg
> devid 7 size 2.73TiB used 1.29TiB path /dev/sdf
> *** Some devices missing
>
> ====================
> btrfs-find-root /dev/sdc
If you want to use find-root, you at least need to use "-o 3" option.
That would be a pretty good start point.
Since chunk recovery doesn't work at all, your remaining recovery method
would be something like:
1. btrfs-find-root -o 3 /dev/sdc
Get the bytenr of possible chunk roots.
2. btrfs check --chunk-root <bytenr> /dev/sdc
To see if you can get pass the "Couldn't read chunk tree" error.
3. If you get a good chunk bytenr, either pass it to btrfs-restore or
modify superblocks to allow kernel to mount it.
Thanks,
Qu
> warning, device 5 is missing
> warning, device 5 is missing
> Couldn't read chunk tree
> ERROR: open ctree failed
>
> ====================
> btrfs check /dev/sdc
> Opening filesystem to check...
> warning, device 5 is missing
> warning, device 5 is missing
> checksum verify failed on 24535404544000 found B267AF82 wanted 3AA9B87A
> checksum verify failed on 24535404544000 found 76ED7CB0 wanted 8F0CFD32
> checksum verify failed on 24535404544000 found 76ED7CB0 wanted 8F0CFD32
> bad tree block 24535404544000, bytenr mismatch, want=24535404544000,
> have=2218124645305391268
> Couldn't read chunk tree
> ERROR: cannot open file system
>
> ====================
> mount -o ro,degraded,recovery /dev/sdc /media/storageraid/
> mount: /media/storageraid: wrong fs type, bad option, bad superblock
> on /dev/sdc, missing codepage or helper program, or other error.
>
> [14387.814655] BTRFS info (device sdd): allowing degraded mounts
> [14387.814660] BTRFS warning (device sdd): 'recovery' is deprecated,
> use 'usebackuproot' instead
> [14387.814662] BTRFS info (device sdd): trying to use backup root at mount time
> [14387.814663] BTRFS info (device sdd): disk space caching is enabled
> [14387.814665] BTRFS info (device sdd): has skinny extents
> [14387.815969] BTRFS warning (device sdd): devid 5 uuid
> 19311aa5-8c43-4451-9a5a-dca5232433ee is missing
> [14388.061497] BTRFS warning (device sdd): devid 5 uuid
> 19311aa5-8c43-4451-9a5a-dca5232433ee is missing
> [14388.232021] BTRFS error (device sdd): bad tree block start, want
> 23698850185216 have 0
> [14388.232360] BTRFS error (device sdd): bad tree block start, want
> 23698850185216 have 0
> [14388.252358] BTRFS error (device sdd): bad tree block start, want
> 23698850185216 have 0
> [14388.272443] BTRFS error (device sdd): bad tree block start, want
> 23698850185216 have 0
> [14388.309782] BTRFS error (device sdd): bad tree block start, want
> 23698850185216 have 0
> [14388.329857] BTRFS error (device sdd): bad tree block start, want
> 23698850185216 have 0
> [14388.349639] BTRFS error (device sdd): bad tree block start, want
> 23698850185216 have 0
> [14388.349982] BTRFS error (device sdd): bad tree block start, want
> 23698850185216 have 0
> [14388.354073] BTRFS error (device sdd): bad tree block start, want
> 23698850185216 have 0
> [14388.374161] BTRFS error (device sdd): bad tree block start, want
> 23698850185216 have 0
> [14388.771856] BTRFS error (device sdd): open_ctree failed
>
>
> ====================
> btrfs rescue chunk-recover -v /dev/sdc
> All Devices:
> Device: id = 6, name = /dev/sdg
> Device: id = 4, name = /dev/sdh
> Device: id = 2, name = /dev/sde
> Device: id = 7, name = /dev/sdf
> Device: id = 1, name = /dev/sdd
> Device: id = 3, name = /dev/sdc
>
> Scanning: 109959925760 in dev0, 81973956608 in dev1, 122966462464 in
> dev2, 102231920640 in dev3, 123404374016 in dev4, 119399600128 in
> dev5Segmentation fault
>
> [13286.275585] btrfs[7207]: segfault at 7f124fb40799 ip
> 000056380b12dd98 sp 00007f11db7fdc10 error 4 in
> btrfs[56380b0c9000+d3000]
> [13286.275595] Code: 48 8d 14 92 49 89 f6 41 55 48 8d 14 92 49 89 fd
> 41 54 55 53 48 8d 64 24 f8 8b 9c 17 f6 00 00 00 bf 01 00 00 00 48 8d
> 6c 18 65 <0f> b7 75 2c 49 89 f7 48 c1 e6 05 48 81 c6 a8 00 00 00 e8 11
> e9 fa
>
> ====================
> btrfs rescue super-recover -v /dev/sdc
> All Devices:
> Device: id = 6, name = /dev/sdg
> Device: id = 4, name = /dev/sdh
> Device: id = 2, name = /dev/sde
> Device: id = 7, name = /dev/sdf
> Device: id = 1, name = /dev/sdd
> Device: id = 3, name = /dev/sdc
>
> Before Recovering:
> [All good supers]:
> device name = /dev/sdg
> superblock bytenr = 65536
>
> device name = /dev/sdg
> superblock bytenr = 67108864
>
> device name = /dev/sdg
> superblock bytenr = 274877906944
>
> device name = /dev/sdh
> superblock bytenr = 65536
>
> device name = /dev/sdh
> superblock bytenr = 67108864
>
> device name = /dev/sdh
> superblock bytenr = 274877906944
>
> device name = /dev/sde
> superblock bytenr = 65536
>
> device name = /dev/sde
> superblock bytenr = 67108864
>
> device name = /dev/sde
> superblock bytenr = 274877906944
>
> device name = /dev/sdf
> superblock bytenr = 65536
>
> device name = /dev/sdf
> superblock bytenr = 67108864
>
> device name = /dev/sdf
> superblock bytenr = 274877906944
>
> device name = /dev/sdd
> superblock bytenr = 65536
>
> device name = /dev/sdd
> superblock bytenr = 67108864
>
> device name = /dev/sdd
> superblock bytenr = 274877906944
>
> device name = /dev/sdc
> superblock bytenr = 65536
>
> device name = /dev/sdc
> superblock bytenr = 67108864
>
> device name = /dev/sdc
> superblock bytenr = 274877906944
>
> [All bad supers]:
>
> All supers are valid, no need to recover
>
> ====================
> btrfs inspect-internal dump-super -f -a /dev/sdc
> superblock: bytenr=65536, device=/dev/sdc
> ---------------------------------------------------------
> csum_type 0 (crc32c)
> csum_size 4
> csum 0x2e19b950 [match]
> bytenr 65536
> flags 0x1
> ( WRITTEN )
> magic _BHRfS_M [match]
> fsid 3d64f87e-ad07-4699-b1b8-3f7641e06a40
> metadata_uuid 3d64f87e-ad07-4699-b1b8-3f7641e06a40
> label storageraid
> generation 106736
> root 24113334845440
> sys_array_size 578
> chunk_root_generation 102377
> root_level 1
> chunk_root 24675241885696
> chunk_root_level 1
> log_root 0
> log_root_transid 0
> log_root_level 0
> total_bytes 24004733018112
> bytes_used 6955368067072
> sectorsize 4096
> nodesize 16384
> leafsize (deprecated) 16384
> stripesize 4096
> root_dir 6
> num_devices 7
> compat_flags 0x0
> compat_ro_flags 0x0
> incompat_flags 0x1e9
> ( MIXED_BACKREF |
> COMPRESS_LZO |
> BIG_METADATA |
> EXTENDED_IREF |
> RAID56 |
> SKINNY_METADATA )
> cache_generation 106736
> uuid_tree_generation 106736
> dev_item.uuid 47b75b3c-d5fa-467b-baa3-8d655334dd54
> dev_item.fsid 3d64f87e-ad07-4699-b1b8-3f7641e06a40 [match]
> dev_item.type 0
> dev_item.total_bytes 4000787030016
> dev_item.bytes_used 1416768782336
> dev_item.io_align 4096
> dev_item.io_width 4096
> dev_item.sector_size 4096
> dev_item.devid 3
> 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 24535403790336)
> length 83886080 owner 2 stripe_len 65536 type SYSTEM|RAID6
> io_align 65536 io_width 65536 sector_size 4096
> num_stripes 7 sub_stripes 1
> stripe 0 devid 3 offset 152908595200
> dev_uuid 47b75b3c-d5fa-467b-baa3-8d655334dd54
> stripe 1 devid 2 offset 3230662656
> dev_uuid 7365879e-fec3-4f58-b592-ee5d266f6311
> stripe 2 devid 1 offset 3250585600
> dev_uuid e5a1ef35-39f3-49fe-b462-08ad165d6a8b
> stripe 3 devid 5 offset 2369598259200
> dev_uuid 19311aa5-8c43-4451-9a5a-dca5232433ee
> stripe 4 devid 4 offset 2369598259200
> dev_uuid 2999ef12-9a84-4eb1-b78b-f13318741fec
> stripe 5 devid 6 offset 2369598259200
> dev_uuid 79cafe3d-e51f-432b-ba00-6c3354092e91
> stripe 6 devid 7 offset 2369598259200
> dev_uuid e94c7ab3-c05a-49b3-866e-3c69b2094159
> item 1 key (FIRST_CHUNK_TREE CHUNK_ITEM 24675241885696)
> length 83886080 owner 2 stripe_len 65536 type SYSTEM|RAID6
> io_align 65536 io_width 65536 sector_size 4096
> num_stripes 7 sub_stripes 1
> stripe 0 devid 2 offset 3247439872
> dev_uuid 7365879e-fec3-4f58-b592-ee5d266f6311
> stripe 1 devid 3 offset 152690491392
> dev_uuid 47b75b3c-d5fa-467b-baa3-8d655334dd54
> stripe 2 devid 1 offset 3267362816
> dev_uuid e5a1ef35-39f3-49fe-b462-08ad165d6a8b
> stripe 3 devid 5 offset 1395026558976
> dev_uuid 19311aa5-8c43-4451-9a5a-dca5232433ee
> stripe 4 devid 7 offset 1395026558976
> dev_uuid e94c7ab3-c05a-49b3-866e-3c69b2094159
> stripe 5 devid 4 offset 1395026558976
> dev_uuid 2999ef12-9a84-4eb1-b78b-f13318741fec
> stripe 6 devid 6 offset 1395026558976
> dev_uuid 79cafe3d-e51f-432b-ba00-6c3354092e91
> backup_roots[4]:
> backup 0:
> backup_tree_root: 24113327718400 gen: 106733 level: 1
> backup_chunk_root: 24675241885696 gen: 102377 level: 1
> backup_extent_root: 24113327734784 gen: 106733 level: 2
> backup_fs_root: 14085070520320 gen: 102373 level: 3
> backup_dev_root: 24113327833088 gen: 106733 level: 1
> backup_csum_root: 24113327931392 gen: 106733 level: 3
> backup_total_bytes: 24004733018112
> backup_bytes_used: 6955368067072
> backup_num_devices: 7
>
> backup 1:
> backup_tree_root: 24113330208768 gen: 106734 level: 1
> backup_chunk_root: 24675241885696 gen: 102377 level: 1
> backup_extent_root: 24113330438144 gen: 106734 level: 2
> backup_fs_root: 14085070520320 gen: 102373 level: 3
> backup_dev_root: 24113330814976 gen: 106734 level: 1
> backup_csum_root: 24113331830784 gen: 106734 level: 3
> backup_total_bytes: 24004733018112
> backup_bytes_used: 6955368067072
> backup_num_devices: 7
>
> backup 2:
> backup_tree_root: 24113332600832 gen: 106735 level: 1
> backup_chunk_root: 24675241885696 gen: 102377 level: 1
> backup_extent_root: 24113332617216 gen: 106735 level: 2
> backup_fs_root: 14085070520320 gen: 102373 level: 3
> backup_dev_root: 24113333010432 gen: 106735 level: 1
> backup_csum_root: 24113333403648 gen: 106735 level: 3
> backup_total_bytes: 24004733018112
> backup_bytes_used: 6955368067072
> backup_num_devices: 7
>
> backup 3:
> backup_tree_root: 24113334845440 gen: 106736 level: 1
> backup_chunk_root: 24675241885696 gen: 102377 level: 1
> backup_extent_root: 24113334927360 gen: 106736 level: 2
> backup_fs_root: 14085070520320 gen: 102373 level: 3
> backup_dev_root: 24113335107584 gen: 106736 level: 1
> backup_csum_root: 24113339006976 gen: 106736 level: 3
> backup_total_bytes: 24004733018112
> backup_bytes_used: 6955368067072
> backup_num_devices: 7
>
>
> superblock: bytenr=67108864, device=/dev/sdc
> ---------------------------------------------------------
> csum_type 0 (crc32c)
> csum_size 4
> csum 0x8e78919e [match]
> bytenr 67108864
> flags 0x1
> ( WRITTEN )
> magic _BHRfS_M [match]
> fsid 3d64f87e-ad07-4699-b1b8-3f7641e06a40
> metadata_uuid 3d64f87e-ad07-4699-b1b8-3f7641e06a40
> label storageraid
> generation 106736
> root 24113334845440
> sys_array_size 578
> chunk_root_generation 102377
> root_level 1
> chunk_root 24675241885696
> chunk_root_level 1
> log_root 0
> log_root_transid 0
> log_root_level 0
> total_bytes 24004733018112
> bytes_used 6955368067072
> sectorsize 4096
> nodesize 16384
> leafsize (deprecated) 16384
> stripesize 4096
> root_dir 6
> num_devices 7
> compat_flags 0x0
> compat_ro_flags 0x0
> incompat_flags 0x1e9
> ( MIXED_BACKREF |
> COMPRESS_LZO |
> BIG_METADATA |
> EXTENDED_IREF |
> RAID56 |
> SKINNY_METADATA )
> cache_generation 106736
> uuid_tree_generation 106736
> dev_item.uuid 47b75b3c-d5fa-467b-baa3-8d655334dd54
> dev_item.fsid 3d64f87e-ad07-4699-b1b8-3f7641e06a40 [match]
> dev_item.type 0
> dev_item.total_bytes 4000787030016
> dev_item.bytes_used 1416768782336
> dev_item.io_align 4096
> dev_item.io_width 4096
> dev_item.sector_size 4096
> dev_item.devid 3
> 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 24535403790336)
> length 83886080 owner 2 stripe_len 65536 type SYSTEM|RAID6
> io_align 65536 io_width 65536 sector_size 4096
> num_stripes 7 sub_stripes 1
> stripe 0 devid 3 offset 152908595200
> dev_uuid 47b75b3c-d5fa-467b-baa3-8d655334dd54
> stripe 1 devid 2 offset 3230662656
> dev_uuid 7365879e-fec3-4f58-b592-ee5d266f6311
> stripe 2 devid 1 offset 3250585600
> dev_uuid e5a1ef35-39f3-49fe-b462-08ad165d6a8b
> stripe 3 devid 5 offset 2369598259200
> dev_uuid 19311aa5-8c43-4451-9a5a-dca5232433ee
> stripe 4 devid 4 offset 2369598259200
> dev_uuid 2999ef12-9a84-4eb1-b78b-f13318741fec
> stripe 5 devid 6 offset 2369598259200
> dev_uuid 79cafe3d-e51f-432b-ba00-6c3354092e91
> stripe 6 devid 7 offset 2369598259200
> dev_uuid e94c7ab3-c05a-49b3-866e-3c69b2094159
> item 1 key (FIRST_CHUNK_TREE CHUNK_ITEM 24675241885696)
> length 83886080 owner 2 stripe_len 65536 type SYSTEM|RAID6
> io_align 65536 io_width 65536 sector_size 4096
> num_stripes 7 sub_stripes 1
> stripe 0 devid 2 offset 3247439872
> dev_uuid 7365879e-fec3-4f58-b592-ee5d266f6311
> stripe 1 devid 3 offset 152690491392
> dev_uuid 47b75b3c-d5fa-467b-baa3-8d655334dd54
> stripe 2 devid 1 offset 3267362816
> dev_uuid e5a1ef35-39f3-49fe-b462-08ad165d6a8b
> stripe 3 devid 5 offset 1395026558976
> dev_uuid 19311aa5-8c43-4451-9a5a-dca5232433ee
> stripe 4 devid 7 offset 1395026558976
> dev_uuid e94c7ab3-c05a-49b3-866e-3c69b2094159
> stripe 5 devid 4 offset 1395026558976
> dev_uuid 2999ef12-9a84-4eb1-b78b-f13318741fec
> stripe 6 devid 6 offset 1395026558976
> dev_uuid 79cafe3d-e51f-432b-ba00-6c3354092e91
> backup_roots[4]:
> backup 0:
> backup_tree_root: 24113327718400 gen: 106733 level: 1
> backup_chunk_root: 24675241885696 gen: 102377 level: 1
> backup_extent_root: 24113327734784 gen: 106733 level: 2
> backup_fs_root: 14085070520320 gen: 102373 level: 3
> backup_dev_root: 24113327833088 gen: 106733 level: 1
> backup_csum_root: 24113327931392 gen: 106733 level: 3
> backup_total_bytes: 24004733018112
> backup_bytes_used: 6955368067072
> backup_num_devices: 7
>
> backup 1:
> backup_tree_root: 24113330208768 gen: 106734 level: 1
> backup_chunk_root: 24675241885696 gen: 102377 level: 1
> backup_extent_root: 24113330438144 gen: 106734 level: 2
> backup_fs_root: 14085070520320 gen: 102373 level: 3
> backup_dev_root: 24113330814976 gen: 106734 level: 1
> backup_csum_root: 24113331830784 gen: 106734 level: 3
> backup_total_bytes: 24004733018112
> backup_bytes_used: 6955368067072
> backup_num_devices: 7
>
> backup 2:
> backup_tree_root: 24113332600832 gen: 106735 level: 1
> backup_chunk_root: 24675241885696 gen: 102377 level: 1
> backup_extent_root: 24113332617216 gen: 106735 level: 2
> backup_fs_root: 14085070520320 gen: 102373 level: 3
> backup_dev_root: 24113333010432 gen: 106735 level: 1
> backup_csum_root: 24113333403648 gen: 106735 level: 3
> backup_total_bytes: 24004733018112
> backup_bytes_used: 6955368067072
> backup_num_devices: 7
>
> backup 3:
> backup_tree_root: 24113334845440 gen: 106736 level: 1
> backup_chunk_root: 24675241885696 gen: 102377 level: 1
> backup_extent_root: 24113334927360 gen: 106736 level: 2
> backup_fs_root: 14085070520320 gen: 102373 level: 3
> backup_dev_root: 24113335107584 gen: 106736 level: 1
> backup_csum_root: 24113339006976 gen: 106736 level: 3
> backup_total_bytes: 24004733018112
> backup_bytes_used: 6955368067072
> backup_num_devices: 7
>
>
> superblock: bytenr=274877906944, device=/dev/sdc
> ---------------------------------------------------------
> csum_type 0 (crc32c)
> csum_size 4
> csum 0x73ffc7af [match]
> bytenr 274877906944
> flags 0x1
> ( WRITTEN )
> magic _BHRfS_M [match]
> fsid 3d64f87e-ad07-4699-b1b8-3f7641e06a40
> metadata_uuid 3d64f87e-ad07-4699-b1b8-3f7641e06a40
> label storageraid
> generation 106736
> root 24113334845440
> sys_array_size 578
> chunk_root_generation 102377
> root_level 1
> chunk_root 24675241885696
> chunk_root_level 1
> log_root 0
> log_root_transid 0
> log_root_level 0
> total_bytes 24004733018112
> bytes_used 6955368067072
> sectorsize 4096
> nodesize 16384
> leafsize (deprecated) 16384
> stripesize 4096
> root_dir 6
> num_devices 7
> compat_flags 0x0
> compat_ro_flags 0x0
> incompat_flags 0x1e9
> ( MIXED_BACKREF |
> COMPRESS_LZO |
> BIG_METADATA |
> EXTENDED_IREF |
> RAID56 |
> SKINNY_METADATA )
> cache_generation 106736
> uuid_tree_generation 106736
> dev_item.uuid 47b75b3c-d5fa-467b-baa3-8d655334dd54
> dev_item.fsid 3d64f87e-ad07-4699-b1b8-3f7641e06a40 [match]
> dev_item.type 0
> dev_item.total_bytes 4000787030016
> dev_item.bytes_used 1416768782336
> dev_item.io_align 4096
> dev_item.io_width 4096
> dev_item.sector_size 4096
> dev_item.devid 3
> 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 24535403790336)
> length 83886080 owner 2 stripe_len 65536 type SYSTEM|RAID6
> io_align 65536 io_width 65536 sector_size 4096
> num_stripes 7 sub_stripes 1
> stripe 0 devid 3 offset 152908595200
> dev_uuid 47b75b3c-d5fa-467b-baa3-8d655334dd54
> stripe 1 devid 2 offset 3230662656
> dev_uuid 7365879e-fec3-4f58-b592-ee5d266f6311
> stripe 2 devid 1 offset 3250585600
> dev_uuid e5a1ef35-39f3-49fe-b462-08ad165d6a8b
> stripe 3 devid 5 offset 2369598259200
> dev_uuid 19311aa5-8c43-4451-9a5a-dca5232433ee
> stripe 4 devid 4 offset 2369598259200
> dev_uuid 2999ef12-9a84-4eb1-b78b-f13318741fec
> stripe 5 devid 6 offset 2369598259200
> dev_uuid 79cafe3d-e51f-432b-ba00-6c3354092e91
> stripe 6 devid 7 offset 2369598259200
> dev_uuid e94c7ab3-c05a-49b3-866e-3c69b2094159
> item 1 key (FIRST_CHUNK_TREE CHUNK_ITEM 24675241885696)
> length 83886080 owner 2 stripe_len 65536 type SYSTEM|RAID6
> io_align 65536 io_width 65536 sector_size 4096
> num_stripes 7 sub_stripes 1
> stripe 0 devid 2 offset 3247439872
> dev_uuid 7365879e-fec3-4f58-b592-ee5d266f6311
> stripe 1 devid 3 offset 152690491392
> dev_uuid 47b75b3c-d5fa-467b-baa3-8d655334dd54
> stripe 2 devid 1 offset 3267362816
> dev_uuid e5a1ef35-39f3-49fe-b462-08ad165d6a8b
> stripe 3 devid 5 offset 1395026558976
> dev_uuid 19311aa5-8c43-4451-9a5a-dca5232433ee
> stripe 4 devid 7 offset 1395026558976
> dev_uuid e94c7ab3-c05a-49b3-866e-3c69b2094159
> stripe 5 devid 4 offset 1395026558976
> dev_uuid 2999ef12-9a84-4eb1-b78b-f13318741fec
> stripe 6 devid 6 offset 1395026558976
> dev_uuid 79cafe3d-e51f-432b-ba00-6c3354092e91
> backup_roots[4]:
> backup 0:
> backup_tree_root: 24113327718400 gen: 106733 level: 1
> backup_chunk_root: 24675241885696 gen: 102377 level: 1
> backup_extent_root: 24113327734784 gen: 106733 level: 2
> backup_fs_root: 14085070520320 gen: 102373 level: 3
> backup_dev_root: 24113327833088 gen: 106733 level: 1
> backup_csum_root: 24113327931392 gen: 106733 level: 3
> backup_total_bytes: 24004733018112
> backup_bytes_used: 6955368067072
> backup_num_devices: 7
>
> backup 1:
> backup_tree_root: 24113330208768 gen: 106734 level: 1
> backup_chunk_root: 24675241885696 gen: 102377 level: 1
> backup_extent_root: 24113330438144 gen: 106734 level: 2
> backup_fs_root: 14085070520320 gen: 102373 level: 3
> backup_dev_root: 24113330814976 gen: 106734 level: 1
> backup_csum_root: 24113331830784 gen: 106734 level: 3
> backup_total_bytes: 24004733018112
> backup_bytes_used: 6955368067072
> backup_num_devices: 7
>
> backup 2:
> backup_tree_root: 24113332600832 gen: 106735 level: 1
> backup_chunk_root: 24675241885696 gen: 102377 level: 1
> backup_extent_root: 24113332617216 gen: 106735 level: 2
> backup_fs_root: 14085070520320 gen: 102373 level: 3
> backup_dev_root: 24113333010432 gen: 106735 level: 1
> backup_csum_root: 24113333403648 gen: 106735 level: 3
> backup_total_bytes: 24004733018112
> backup_bytes_used: 6955368067072
> backup_num_devices: 7
>
> backup 3:
> backup_tree_root: 24113334845440 gen: 106736 level: 1
> backup_chunk_root: 24675241885696 gen: 102377 level: 1
> backup_extent_root: 24113334927360 gen: 106736 level: 2
> backup_fs_root: 14085070520320 gen: 102373 level: 3
> backup_dev_root: 24113335107584 gen: 106736 level: 1
> backup_csum_root: 24113339006976 gen: 106736 level: 3
> backup_total_bytes: 24004733018112
> backup_bytes_used: 6955368067072
> backup_num_devices: 7
>
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prev parent reply other threads:[~2019-06-17 4:54 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-15 6:21 raid6 fails to mount after disk failure with unclean shutdown Paulsen, Alexander
2019-06-17 4:54 ` Qu Wenruo [this message]
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