| 1 | superblock: bytenr=65536, device=/dev/sdb1
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| 2 | ---------------------------------------------------------
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| 3 | csum_type 0 (crc32c)
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| 4 | csum_size 4
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| 5 | csum 0xd33a84be [match]
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| 6 | bytenr 65536
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| 7 | flags 0x1
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| 8 | ( WRITTEN )
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| 9 | magic _BHRfS_M [match]
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| 10 | fsid 7fdeb522-e249-4eab-9967-17f921360444
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| 11 | label Dane
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| 12 | generation 494062
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| 13 | root 520355840
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| 14 | sys_array_size 129
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| 15 | chunk_root_generation 494054
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| 16 | root_level 1
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| 17 | chunk_root 20971520
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| 18 | chunk_root_level 1
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| 19 | log_root 0
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| 20 | log_root_transid 0
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| 21 | log_root_level 0
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| 22 | total_bytes 885835956224
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| 23 | bytes_used 636059291648
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| 24 | sectorsize 4096
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| 25 | nodesize 16384
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| 26 | leafsize (deprecated) 16384
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| 27 | stripesize 4096
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| 28 | root_dir 6
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| 29 | num_devices 1
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| 30 | compat_flags 0x0
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| 31 | compat_ro_flags 0x0
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| 32 | incompat_flags 0x169
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| 33 | ( MIXED_BACKREF |
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| 34 | COMPRESS_LZO |
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| 35 | BIG_METADATA |
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| 36 | EXTENDED_IREF |
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| 37 | SKINNY_METADATA )
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| 38 | cache_generation 494062
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| 39 | uuid_tree_generation 494062
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| 40 | dev_item.uuid 3f770c24-f702-41b0-96bb-6c2c582eb975
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| 41 | dev_item.fsid 7fdeb522-e249-4eab-9967-17f921360444 [match]
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| 42 | dev_item.type 0
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| 43 | dev_item.total_bytes 885835956224
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| 44 | dev_item.bytes_used 882632556544
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| 45 | dev_item.io_align 4096
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| 46 | dev_item.io_width 4096
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| 47 | dev_item.sector_size 4096
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| 48 | dev_item.devid 1
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| 49 | dev_item.dev_group 0
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| 50 | dev_item.seek_speed 0
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| 51 | dev_item.bandwidth 0
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| 52 | dev_item.generation 0
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| 53 | sys_chunk_array[2048]:
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| 54 | item 0 key (FIRST_CHUNK_TREE CHUNK_ITEM 20971520)
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| 55 | length 8388608 owner 2 stripe_len 65536 type SYSTEM|DUP
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| 56 | io_align 65536 io_width 65536 sector_size 4096
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| 57 | num_stripes 2 sub_stripes 0
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| 58 | stripe 0 devid 1 offset 20971520
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| 59 | dev_uuid 3f770c24-f702-41b0-96bb-6c2c582eb975
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| 60 | stripe 1 devid 1 offset 29360128
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| 61 | dev_uuid 3f770c24-f702-41b0-96bb-6c2c582eb975
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| 62 | backup_roots[4]:
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| 63 | backup 0:
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| 64 | backup_tree_root: 515817472 gen: 494059 level: 1
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| 65 | backup_chunk_root: 20971520 gen: 494054 level: 1
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| 66 | backup_extent_root: 515424256 gen: 494059 level: 2
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| 67 | backup_fs_root: 514965504 gen: 494059 level: 2
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| 68 | backup_dev_root: 516505600 gen: 494058 level: 1
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| 69 | backup_csum_root: 516194304 gen: 494059 level: 2
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| 70 | backup_total_bytes: 885835956224
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| 71 | backup_bytes_used: 635920400384
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| 72 | backup_num_devices: 1
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| 73 |
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| 74 | backup 1:
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| 75 | backup_tree_root: 515735552 gen: 494060 level: 1
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| 76 | backup_chunk_root: 20971520 gen: 494054 level: 1
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| 77 | backup_extent_root: 515833856 gen: 494060 level: 2
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| 78 | backup_fs_root: 514965504 gen: 494059 level: 2
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| 79 | backup_dev_root: 516505600 gen: 494058 level: 1
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| 80 | backup_csum_root: 516145152 gen: 494060 level: 2
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| 81 | backup_total_bytes: 885835956224
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| 82 | backup_bytes_used: 635920400384
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| 83 | backup_num_devices: 1
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| 84 |
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| 85 | backup 2:
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| 86 | backup_tree_root: 516325376 gen: 494061 level: 1
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| 87 | backup_chunk_root: 20971520 gen: 494054 level: 1
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| 88 | backup_extent_root: 515473408 gen: 494061 level: 2
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| 89 | backup_fs_root: 514588672 gen: 494061 level: 2
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| 90 | backup_dev_root: 516980736 gen: 494061 level: 1
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| 91 | backup_csum_root: 516653056 gen: 494061 level: 2
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| 92 | backup_total_bytes: 885835956224
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| 93 | backup_bytes_used: 635920400384
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| 94 | backup_num_devices: 1
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| 95 |
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| 96 | backup 3:
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| 97 | backup_tree_root: 520355840 gen: 494062 level: 1
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| 98 | backup_chunk_root: 20971520 gen: 494054 level: 1
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| 99 | backup_extent_root: 515948544 gen: 494062 level: 2
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| 100 | backup_fs_root: 515162112 gen: 494062 level: 2
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| 101 | backup_dev_root: 516980736 gen: 494061 level: 1
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| 102 | backup_csum_root: 515620864 gen: 494062 level: 2
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| 103 | backup_total_bytes: 885835956224
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| 104 | backup_bytes_used: 636059291648
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| 105 | backup_num_devices: 1
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| 106 |
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| 107 |
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