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ticpu
Apr 29th, 2025
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  1. ❯ bcachefs fs usage -h /mnt/bcachefs/
  2. Filesystem: d0337b38-cbe7-4c3c-90f7-4305fbe05171
  3. Size: 7.20 TiB
  4. Used: 4.80 TiB
  5. Online reserved: 3.37 MiB
  6.  
  7. Data type Required/total Durability Devices
  8. reserved: 1/1 [] 68.2 MiB
  9. reserved: 1/2 [] 144 MiB
  10. btree: 1/2 2 [dm-21 dm-22] 88.9 GiB
  11. user: 1/1 1 [dm-21] 133 GiB
  12. user: 1/1 1 [dm-22] 24.3 GiB
  13. user: 1/1 1 [dm-20] 95.8 GiB
  14. user: 1/1 1 [dm-19] 81.3 GiB
  15. user: 1/1 1 [dm-28] 208 GiB
  16. user: 1/2 2 [dm-21 dm-22] 932 MiB
  17. user: 1/2 2 [dm-21 dm-20] 476 KiB
  18. user: 1/2 2 [dm-21 dm-19] 8.00 KiB
  19. user: 1/2 2 [dm-21 dm-28] 404 KiB
  20. user: 1/2 2 [dm-22 dm-20] 288 KiB
  21. user: 1/2 2 [dm-22 dm-19] 300 KiB
  22. user: 1/2 2 [dm-22 dm-28] 632 KiB
  23. user: 1/2 2 [dm-20 dm-19] 797 GiB
  24. user: 1/2 2 [dm-20 dm-28] 1.69 TiB
  25. user: 1/2 2 [dm-19 dm-28] 1.71 TiB
  26. cached: 1/1 1 [dm-21] 165 GiB
  27. cached: 1/1 1 [dm-22] 30.2 GiB
  28. cached: 1/1 1 [dm-20] 880 KiB
  29. cached: 1/1 1 [dm-28] 2.75 GiB
  30.  
  31. Compression:
  32. type compressed uncompressed average extent size
  33. lz4 40.7 GiB 73.1 GiB 46.6 KiB
  34. zstd 405 GiB 1019 GiB 71.3 KiB
  35. incompressible 2.24 TiB 2.24 TiB 52.3 KiB
  36.  
  37. Btree usage:
  38. extents: 31.4 GiB
  39. inodes: 22.9 GiB
  40. dirents: 3.60 GiB
  41. xattrs: 230 MiB
  42. alloc: 4.63 GiB
  43. quotas: 512 KiB
  44. stripes: 512 KiB
  45. reflink: 2.14 GiB
  46. subvolumes: 512 KiB
  47. snapshots: 512 KiB
  48. lru: 133 MiB
  49. freespace: 9.00 MiB
  50. need_discard: 1.00 MiB
  51. backpointers: 22.8 GiB
  52. bucket_gens: 52.5 MiB
  53. snapshot_trees: 512 KiB
  54. deleted_inodes: 1.00 MiB
  55. logged_ops: 1.00 MiB
  56. rebalance_work: 1.00 MiB
  57. subvolume_children: 512 KiB
  58. accounting: 1.04 GiB
  59.  
  60. Pending rebalance work:
  61. 4.69 GiB
  62.  
  63. hdd.1 (device 2): dm-20 rw
  64. data buckets fragmented
  65. free: 684 GiB 2801185
  66. sb: 3.00 MiB 13 252 KiB
  67. journal: 2.00 GiB 8192
  68. btree: 0 B 0
  69. user: 1.33 TiB 5579207 29.5 MiB
  70. cached: 880 KiB 11 1.89 MiB
  71. parity: 0 B 0
  72. stripe: 0 B 0
  73. need_gc_gens: 0 B 0
  74. need_discard: 0 B 0
  75. unstriped: 0 B 0
  76. capacity: 2.00 TiB 8388608
  77.  
  78. hdd.3 (device 4): dm-19 rw
  79. data buckets fragmented
  80. free: 44.0 GiB 180087
  81. sb: 3.00 MiB 13 252 KiB
  82. journal: 800 MiB 3200
  83. btree: 0 B 0
  84. user: 1.32 TiB 5551100 7.74 MiB
  85. cached: 0 B 0
  86. parity: 0 B 0
  87. stripe: 0 B 0
  88. need_gc_gens: 0 B 0
  89. need_discard: 0 B 0
  90. unstriped: 0 B 0
  91. capacity: 2.00 TiB 8388608
  92.  
  93. hdd.4 (device 6): dm-28 rw
  94. data buckets fragmented
  95. free: 1.27 TiB 1336283
  96. sb: 3.00 MiB 4 1020 KiB
  97. journal: 8.00 GiB 8192
  98. btree: 0 B 0
  99. user: 1.91 TiB 1998253 41.3 MiB
  100. cached: 2.75 GiB 12712 9.66 GiB
  101. parity: 0 B 0
  102. stripe: 0 B 0
  103. need_gc_gens: 0 B 0
  104. need_discard: 0 B 0
  105. unstriped: 0 B 0
  106. capacity: 3.20 TiB 3355444
  107.  
  108. nvme.1 (device 0): dm-21 rw
  109. data buckets fragmented
  110. free: 19.5 GiB 80070
  111. sb: 3.00 MiB 13 252 KiB
  112. journal: 160 MiB 640
  113. btree: 44.5 GiB 182101
  114. user: 133 GiB 545373 3.15 MiB
  115. cached: 165 GiB 1239797 138 GiB
  116. parity: 0 B 0
  117. stripe: 0 B 0
  118. need_gc_gens: 0 B 0
  119. need_discard: 1.50 MiB 6
  120. unstriped: 0 B 0
  121. capacity: 500 GiB 2048000
  122.  
  123. nvme.2 (device 1): dm-22 rw
  124. data buckets fragmented
  125. free: 5.48 GiB 22466
  126. sb: 3.00 MiB 13 252 KiB
  127. journal: 160 MiB 640
  128. btree: 44.5 GiB 182101
  129. user: 24.7 GiB 101286 1.74 MiB
  130. cached: 30.2 GiB 266923 35.0 GiB
  131. parity: 0 B 0
  132. stripe: 0 B 0
  133. need_gc_gens: 0 B 0
  134. need_discard: 2.75 MiB 11
  135. unstriped: 0 B 0
  136. capacity: 140 GiB 573440
  137.  
  138.  
  139. ❯ bcachefs show-super /dev/vgP4/bcache3
  140. Device: (unknown device)
  141. External UUID: d0337b38-cbe7-4c3c-90f7-4305fbe05171
  142. Internal UUID: 3b2af93d-5b21-47e1-8abd-15d2a46ff64a
  143. Magic number: c68573f6-66ce-90a9-d96a-60cf803df7ef
  144. Device index: 4
  145. Label: (none)
  146. Version: 1.20: directory_size
  147. Incompatible features allowed: 0.0: (unknown version)
  148. Incompatible features in use: 0.0: (unknown version)
  149. Version upgrade complete: 1.20: directory_size
  150. Oldest version on disk: 1.20: directory_size
  151. Created: Sat Aug 26 16:58:08 2023
  152. Sequence number: 1370
  153. Time of last write: Tue Apr 29 14:32:13 2025
  154. Superblock size: 6.66 KiB/1.00 MiB
  155. Clean: 0
  156. Devices: 5
  157. Sections: members_v1,crypt,replicas_v0,disk_groups,clean,journal_seq_blacklist,journal_v2,counters,members_v2,errors,ext,downgrade
  158. Features: lz4,zstd,journal_seq_blacklist_v3,reflink,new_siphash,inline_data,new_extent_overwrite,btree_ptr_v2,extents_above_btree_updates,btree_updates_journalled,reflink_inline_data,new_varint,journal_no_flush,alloc_v2,extents_across_btree_nodes
  159. Compat features: alloc_info,alloc_metadata,extents_above_btree_updates_done,bformat_overflow_done
  160.  
  161. Options:
  162. block_size: 4.00 KiB
  163. btree_node_size: 256 KiB
  164. errors: continue [fix_safe] panic ro
  165. write_error_timeout: 30
  166. metadata_replicas: 2
  167. data_replicas: 2
  168. metadata_replicas_required: 2
  169. data_replicas_required: 1
  170. encoded_extent_max: 64.0 KiB
  171. metadata_checksum: none [crc32c] crc64 xxhash
  172. data_checksum: none [crc32c] crc64 xxhash
  173. checksum_err_retry_nr: 3
  174. compression: none
  175. background_compression: zstd
  176. str_hash: crc32c crc64 [siphash]
  177. metadata_target: nvme
  178. foreground_target: nvme
  179. background_target: hdd
  180. promote_target: none
  181. erasure_code: 0
  182. casefold: 0
  183. inodes_32bit: 1
  184. shard_inode_numbers_bits: 5
  185. inodes_use_key_cache: 1
  186. gc_reserve_percent: 8
  187. gc_reserve_bytes: 0 B
  188. root_reserve_percent: 0
  189. wide_macs: 0
  190. promote_whole_extents: 1
  191. acl: 1
  192. usrquota: 0
  193. grpquota: 0
  194. prjquota: 0
  195. degraded: [ask] yes very no
  196. journal_flush_delay: 1000
  197. journal_flush_disabled: 0
  198. journal_reclaim_delay: 100
  199. journal_transaction_names: 1
  200. allocator_stuck_timeout: 30
  201. version_upgrade: [compatible] incompatible none
  202. nocow: 0
  203.  
  204. members_v2 (size 1024):
  205. Device: 0
  206. Label: 1 (1)
  207. UUID: 600a073b-417a-4f27-a8ed-e8959a3cb13c
  208. Size: 500 GiB
  209. read errors: 0
  210. write errors: 0
  211. checksum errors: 0
  212. seqread iops: 0
  213. seqwrite iops: 0
  214. randread iops: 0
  215. randwrite iops: 0
  216. Bucket size: 256 KiB
  217. First bucket: 0
  218. Buckets: 2048000
  219. Last mount: Tue Apr 29 14:30:06 2025
  220. Last superblock write: 1370
  221. State: rw
  222. Data allowed: journal,btree,user
  223. Has data: journal,btree,user,cached
  224. Btree allocated bitmap blocksize: 16.0 MiB
  225. Btree allocated bitmap: 0000000000000000000000000011111111111111111111111111111111111111
  226. Durability: 1
  227. Discard: 1
  228. Freespace initialized: 1
  229. Resize on mount: 0
  230. Device: 1
  231. Label: 2 (2)
  232. UUID: f106c284-7a5c-4828-8111-fdf0f2d63228
  233. Size: 140 GiB
  234. read errors: 0
  235. write errors: 0
  236. checksum errors: 0
  237. seqread iops: 0
  238. seqwrite iops: 0
  239. randread iops: 0
  240. randwrite iops: 0
  241. Bucket size: 256 KiB
  242. First bucket: 0
  243. Buckets: 573440
  244. Last mount: Tue Apr 29 14:30:06 2025
  245. Last superblock write: 1370
  246. State: rw
  247. Data allowed: journal,btree,user
  248. Has data: journal,btree,user,cached
  249. Btree allocated bitmap blocksize: 8.00 MiB
  250. Btree allocated bitmap: 0000000000000000000000000000000110000011111111111111111111111111
  251. Durability: 1
  252. Discard: 1
  253. Freespace initialized: 1
  254. Resize on mount: 0
  255. Device: 2
  256. Label: 1 (4)
  257. UUID: 97b5abdf-9563-4ab8-9fff-a1e86a6ae4a6
  258. Size: 2.00 TiB
  259. read errors: 0
  260. write errors: 0
  261. checksum errors: 0
  262. seqread iops: 0
  263. seqwrite iops: 0
  264. randread iops: 0
  265. randwrite iops: 0
  266. Bucket size: 256 KiB
  267. First bucket: 0
  268. Buckets: 8388608
  269. Last mount: Tue Apr 29 14:30:06 2025
  270. Last superblock write: 1370
  271. State: rw
  272. Data allowed: journal,btree,user
  273. Has data: journal,btree,user,cached
  274. Btree allocated bitmap blocksize: 32.0 MiB
  275. Btree allocated bitmap: 0000111100001000000000000011111111111111111111111111111011111111
  276. Durability: 1
  277. Discard: 0
  278. Freespace initialized: 1
  279. Resize on mount: 0
  280. Device: 4
  281. Label: 3 (6)
  282. UUID: 72182ee5-f08e-4a03-8c35-2143d249b56d
  283. Size: 2.00 TiB
  284. read errors: 0
  285. write errors: 0
  286. checksum errors: 0
  287. seqread iops: 0
  288. seqwrite iops: 0
  289. randread iops: 0
  290. randwrite iops: 0
  291. Bucket size: 256 KiB
  292. First bucket: 0
  293. Buckets: 8388608
  294. Last mount: Tue Apr 29 14:30:06 2025
  295. Last superblock write: 1370
  296. State: rw
  297. Data allowed: journal,btree,user
  298. Has data: journal,user,cached
  299. Btree allocated bitmap blocksize: 16.0 MiB
  300. Btree allocated bitmap: 0000000000001000000000000000000000000000000000000111000010011101
  301. Durability: 1
  302. Discard: 0
  303. Freespace initialized: 1
  304. Resize on mount: 0
  305. Device: 6
  306. Label: 4 (7)
  307. UUID: 74716f3b-2828-4de2-b6b8-9296f10743d5
  308. Size: 3.20 TiB
  309. read errors: 0
  310. write errors: 0
  311. checksum errors: 0
  312. seqread iops: 0
  313. seqwrite iops: 0
  314. randread iops: 0
  315. randwrite iops: 0
  316. Bucket size: 1.00 MiB
  317. First bucket: 0
  318. Buckets: 3355444
  319. Last mount: Tue Apr 29 14:30:06 2025
  320. Last superblock write: 1370
  321. State: rw
  322. Data allowed: journal,btree,user
  323. Has data: journal,user,cached
  324. Btree allocated bitmap blocksize: 1.00 B
  325. Btree allocated bitmap: 0000000000000000000000000000000000000000000000000000000000000000
  326. Durability: 1
  327. Discard: 0
  328. Freespace initialized: 1
  329. Resize on mount: 0
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