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Jan 26th, 2024
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  1. $ sudo bcachefs show-super /dev/sdb
  2. External UUID: 6493953d-e52e-458c-860d-5d5f5e37c667
  3. Internal UUID: e2fb9149-b164-43e3-93b2-9d0bf97a7673
  4. Device index: 1
  5. Label:
  6. Version: 1.3: rebalance_work
  7. Version upgrade complete: 1.3: rebalance_work
  8. Oldest version on disk: 1.3: rebalance_work
  9. Created: Tue Jan 9 21:54:31 2024
  10.  
  11. Sequence number: 53
  12. Superblock size: 6312
  13. Clean: 0
  14. Devices: 5
  15. Sections: members_v1,replicas_v0,disk_groups,clean,journal_seq_blacklist,journal_v2,counters,members_v2,errors
  16. Features: zstd,journal_seq_blacklist_v3,reflink,new_siphash,inline_data,new_extent_overwrite,btree_ptr_v2,extents_above_btree_updates,btree_updates_journalled,new_varint,journal_no_flush,alloc_v2,extents_across_btree_nodes
  17. Compat features: alloc_info,alloc_metadata,extents_above_btree_updates_done,bformat_overflow_done
  18.  
  19. Options:
  20. block_size: 4.00 KiB
  21. btree_node_size: 256 KiB
  22. errors: continue [ro] panic
  23. metadata_replicas: 2
  24. data_replicas: 2
  25. metadata_replicas_required: 1
  26. data_replicas_required: 1
  27. encoded_extent_max: 64.0 KiB
  28. metadata_checksum: none [crc32c] crc64 xxhash
  29. data_checksum: none [crc32c] crc64 xxhash
  30. compression: zstd
  31. background_compression: none
  32. str_hash: crc32c crc64 [siphash]
  33. metadata_target: none
  34. foreground_target: ssd
  35. background_target: hdd
  36. promote_target: ssd
  37. erasure_code: 0
  38. inodes_32bit: 1
  39. shard_inode_numbers: 1
  40. inodes_use_key_cache: 1
  41. gc_reserve_percent: 8
  42. gc_reserve_bytes: 0 B
  43. root_reserve_percent: 0
  44. wide_macs: 0
  45. acl: 1
  46. usrquota: 0
  47. grpquota: 0
  48. prjquota: 0
  49. journal_flush_delay: 1000
  50. journal_flush_disabled: 0
  51. journal_reclaim_delay: 100
  52. journal_transaction_names: 1
  53. version_upgrade: [compatible] incompatible none
  54. nocow: 0
  55.  
  56. members_v2 (size 616):
  57. Device: 0
  58. Label: ssd1 (1)
  59. UUID: fef549b0-2385-4a4d-ab6e-bda9edc36064
  60. Size: 1.31 TiB
  61. read errors: 0
  62. write errors: 0
  63. checksum errors: 0
  64. seqread iops: 0
  65. seqwrite iops: 0
  66. randread iops: 0
  67. randwrite iops: 0
  68. Bucket size: 512 KiB
  69. First bucket: 0
  70. Buckets: 2751456
  71. Last mount: Sun Jan 14 23:37:22 2024
  72.  
  73. State: rw
  74. Data allowed: journal,btree,user
  75. Has data: journal,btree,user,cached
  76. Discard: 1
  77. Freespace initialized: 1
  78. Device: 1
  79. Label: hdd1 (3)
  80. UUID: 3b772514-eb16-47de-b4ab-ec831b6ad4a6
  81. Size: 18.2 TiB
  82. read errors: 0
  83. write errors: 0
  84. checksum errors: 0
  85. seqread iops: 0
  86. seqwrite iops: 0
  87. randread iops: 0
  88. randwrite iops: 0
  89. Bucket size: 512 KiB
  90. First bucket: 0
  91. Buckets: 38148096
  92. Last mount: Sun Jan 14 23:37:22 2024
  93.  
  94. State: rw
  95. Data allowed: journal,btree,user
  96. Has data: journal,btree,user
  97. Discard: 1
  98. Freespace initialized: 1
  99. Device: 2
  100. Label: hdd2 (4)
  101. UUID: 6bff5db8-dc02-46c4-b181-9d8cdec9ae1a
  102. Size: 18.2 TiB
  103. read errors: 0
  104. write errors: 0
  105. checksum errors: 0
  106. seqread iops: 0
  107. seqwrite iops: 0
  108. randread iops: 0
  109. randwrite iops: 0
  110. Bucket size: 512 KiB
  111. First bucket: 0
  112. Buckets: 38148096
  113. Last mount: Sun Jan 14 23:37:22 2024
  114.  
  115. State: rw
  116. Data allowed: journal,btree,user
  117. Has data: journal,btree,user
  118. Discard: 1
  119. Freespace initialized: 1
  120. Device: 3
  121. Label: hdd3 (5)
  122. UUID: 58d72dd9-16ad-4e50-a0b5-a0372abd9af6
  123. Size: 14.6 TiB
  124. read errors: 0
  125. write errors: 0
  126. checksum errors: 0
  127. seqread iops: 0
  128. seqwrite iops: 0
  129. randread iops: 0
  130. randwrite iops: 0
  131. Bucket size: 1.00 MiB
  132. First bucket: 0
  133. Buckets: 15259648
  134. Last mount: Fri Jan 26 22:02:17 2024
  135.  
  136. State: rw
  137. Data allowed: journal,btree,user
  138. Has data: journal,btree,user
  139. Discard: 0
  140. Freespace initialized: 1
  141. Device: 4
  142. Label: hdd3 (5)
  143. UUID: 05ea82b1-306e-442d-85b8-d4ea9b4a84ef
  144. Size: 14.6 TiB
  145. read errors: 0
  146. write errors: 0
  147. checksum errors: 0
  148. seqread iops: 0
  149. seqwrite iops: 0
  150. randread iops: 0
  151. randwrite iops: 0
  152. Bucket size: 1.00 MiB
  153. First bucket: 0
  154. Buckets: 15259648
  155. Last mount: Fri Jan 26 22:02:24 2024
  156.  
  157. State: rw
  158. Data allowed: journal,btree,user
  159. Has data: journal,btree,user,cached
  160. Discard: 0
  161. Freespace initialized: 1
  162.  
  163. replicas_v0 (size 88):
  164. user: 2 [0 2] btree: 2 [0 3] user: 2 [1 3] journal: 2 [0 4] btree: 2 [1 2] user: 2 [0 4] cached: 1 [0] journal: 2 [0 2] btree: 2 [0 1] btree: 2 [0 4] user: 2 [0 1] user: 2 [0 3] user: 2 [1 2] user: 2 [2 3] cached: 1 [4] journal: 2 [0 1] journal: 2 [0 3] journal: 2 [3 4] btree: 2 [0 2]
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