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btrfs inspect dump-super -fFa /dev/mapper/dshelf2

marcmerlin
Jun 29th, 2018
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  1. superblock: bytenr=65536, device=/dev/mapper/dshelf2
  2. ---------------------------------------------------------
  3. csum_type 0 (crc32c)
  4. csum_size 4
  5. csum 0x801f9ede [match]
  6. bytenr 65536
  7. flags 0x1
  8. ( WRITTEN )
  9. magic _BHRfS_M [match]
  10. fsid 0f1a0c9f-4e54-4fa7-8736-fd50818ff73d
  11. label dshelf2
  12. generation 143330
  13. root 18457780224000
  14. sys_array_size 129
  15. chunk_root_generation 143312
  16. root_level 1
  17. chunk_root 18457746669568
  18. chunk_root_level 1
  19. log_root 0
  20. log_root_transid 0
  21. log_root_level 0
  22. total_bytes 16002599346176
  23. bytes_used 13844011081728
  24. sectorsize 4096
  25. nodesize 16384
  26. leafsize (deprecated) 16384
  27. stripesize 4096
  28. root_dir 6
  29. num_devices 1
  30. compat_flags 0x0
  31. compat_ro_flags 0x0
  32. incompat_flags 0x169
  33. ( MIXED_BACKREF |
  34. COMPRESS_LZO |
  35. BIG_METADATA |
  36. EXTENDED_IREF |
  37. SKINNY_METADATA )
  38. cache_generation 143311
  39. uuid_tree_generation 143258
  40. dev_item.uuid 90856917-ce18-44bc-b651-f3411a6a15fb
  41. dev_item.fsid 0f1a0c9f-4e54-4fa7-8736-fd50818ff73d [match]
  42. dev_item.type 0
  43. dev_item.total_bytes 16002599346176
  44. dev_item.bytes_used 15182301429760
  45. dev_item.io_align 4096
  46. dev_item.io_width 4096
  47. dev_item.sector_size 4096
  48. dev_item.devid 1
  49. dev_item.dev_group 0
  50. dev_item.seek_speed 0
  51. dev_item.bandwidth 0
  52. dev_item.generation 0
  53. sys_chunk_array[2048]:
  54. item 0 key (FIRST_CHUNK_TREE CHUNK_ITEM 18457746669568)
  55. length 33554432 owner 2 stripe_len 65536 type SYSTEM|DUP
  56. io_align 65536 io_width 65536 sector_size 4096
  57. num_stripes 2 sub_stripes 1
  58. stripe 0 devid 1 offset 14529912111104
  59. dev_uuid 90856917-ce18-44bc-b651-f3411a6a15fb
  60. stripe 1 devid 1 offset 14529945665536
  61. dev_uuid 90856917-ce18-44bc-b651-f3411a6a15fb
  62. backup_roots[4]:
  63. backup 0:
  64. backup_tree_root: 4949440544768 gen: 143308 level: 1
  65. backup_chunk_root: 18457746685952 gen: 139053 level: 1
  66. backup_extent_root: 8221161668608 gen: 143309 level: 3
  67. backup_fs_root: 0 gen: 0 level: 0
  68. backup_dev_root: 861683712 gen: 143276 level: 1
  69. backup_csum_root: 8221165436928 gen: 143309 level: 3
  70. backup_total_bytes: 16002599346176
  71. backup_bytes_used: 13844107128832
  72. backup_num_devices: 1
  73.  
  74. backup 1:
  75. backup_tree_root: 12029387620352 gen: 143309 level: 1
  76. backup_chunk_root: 18457746685952 gen: 139053 level: 1
  77. backup_extent_root: 12148734214144 gen: 143310 level: 3
  78. backup_fs_root: 0 gen: 0 level: 0
  79. backup_dev_root: 861683712 gen: 143276 level: 1
  80. backup_csum_root: 12148737048576 gen: 143310 level: 3
  81. backup_total_bytes: 16002599346176
  82. backup_bytes_used: 13844043563008
  83. backup_num_devices: 1
  84.  
  85. backup 2:
  86. backup_tree_root: 13200267034624 gen: 143310 level: 1
  87. backup_chunk_root: 18457746685952 gen: 139053 level: 1
  88. backup_extent_root: 13621839593472 gen: 143311 level: 3
  89. backup_fs_root: 0 gen: 0 level: 0
  90. backup_dev_root: 861683712 gen: 143276 level: 1
  91. backup_csum_root: 13621847818240 gen: 143311 level: 3
  92. backup_total_bytes: 16002599346176
  93. backup_bytes_used: 13844007002112
  94. backup_num_devices: 1
  95.  
  96. backup 3:
  97. backup_tree_root: 30801920 gen: 143311 level: 1
  98. backup_chunk_root: 18457746685952 gen: 139053 level: 1
  99. backup_extent_root: 31129600 gen: 143311 level: 3
  100. backup_fs_root: 0 gen: 0 level: 0
  101. backup_dev_root: 371555172352 gen: 143311 level: 1
  102. backup_csum_root: 371568541696 gen: 143311 level: 3
  103. backup_total_bytes: 16002599346176
  104. backup_bytes_used: 13844011081728
  105. backup_num_devices: 1
  106.  
  107.  
  108. superblock: bytenr=67108864, device=/dev/mapper/dshelf2
  109. ---------------------------------------------------------
  110. csum_type 0 (crc32c)
  111. csum_size 4
  112. csum 0x207eb610 [match]
  113. bytenr 67108864
  114. flags 0x1
  115. ( WRITTEN )
  116. magic _BHRfS_M [match]
  117. fsid 0f1a0c9f-4e54-4fa7-8736-fd50818ff73d
  118. label dshelf2
  119. generation 143330
  120. root 18457780224000
  121. sys_array_size 129
  122. chunk_root_generation 143312
  123. root_level 1
  124. chunk_root 18457746669568
  125. chunk_root_level 1
  126. log_root 0
  127. log_root_transid 0
  128. log_root_level 0
  129. total_bytes 16002599346176
  130. bytes_used 13844011081728
  131. sectorsize 4096
  132. nodesize 16384
  133. leafsize (deprecated) 16384
  134. stripesize 4096
  135. root_dir 6
  136. num_devices 1
  137. compat_flags 0x0
  138. compat_ro_flags 0x0
  139. incompat_flags 0x169
  140. ( MIXED_BACKREF |
  141. COMPRESS_LZO |
  142. BIG_METADATA |
  143. EXTENDED_IREF |
  144. SKINNY_METADATA )
  145. cache_generation 143311
  146. uuid_tree_generation 143258
  147. dev_item.uuid 90856917-ce18-44bc-b651-f3411a6a15fb
  148. dev_item.fsid 0f1a0c9f-4e54-4fa7-8736-fd50818ff73d [match]
  149. dev_item.type 0
  150. dev_item.total_bytes 16002599346176
  151. dev_item.bytes_used 15182301429760
  152. dev_item.io_align 4096
  153. dev_item.io_width 4096
  154. dev_item.sector_size 4096
  155. dev_item.devid 1
  156. dev_item.dev_group 0
  157. dev_item.seek_speed 0
  158. dev_item.bandwidth 0
  159. dev_item.generation 0
  160. sys_chunk_array[2048]:
  161. item 0 key (FIRST_CHUNK_TREE CHUNK_ITEM 18457746669568)
  162. length 33554432 owner 2 stripe_len 65536 type SYSTEM|DUP
  163. io_align 65536 io_width 65536 sector_size 4096
  164. num_stripes 2 sub_stripes 1
  165. stripe 0 devid 1 offset 14529912111104
  166. dev_uuid 90856917-ce18-44bc-b651-f3411a6a15fb
  167. stripe 1 devid 1 offset 14529945665536
  168. dev_uuid 90856917-ce18-44bc-b651-f3411a6a15fb
  169. backup_roots[4]:
  170. backup 0:
  171. backup_tree_root: 4949440544768 gen: 143308 level: 1
  172. backup_chunk_root: 18457746685952 gen: 139053 level: 1
  173. backup_extent_root: 8221161668608 gen: 143309 level: 3
  174. backup_fs_root: 0 gen: 0 level: 0
  175. backup_dev_root: 861683712 gen: 143276 level: 1
  176. backup_csum_root: 8221165436928 gen: 143309 level: 3
  177. backup_total_bytes: 16002599346176
  178. backup_bytes_used: 13844107128832
  179. backup_num_devices: 1
  180.  
  181. backup 1:
  182. backup_tree_root: 12029387620352 gen: 143309 level: 1
  183. backup_chunk_root: 18457746685952 gen: 139053 level: 1
  184. backup_extent_root: 12148734214144 gen: 143310 level: 3
  185. backup_fs_root: 0 gen: 0 level: 0
  186. backup_dev_root: 861683712 gen: 143276 level: 1
  187. backup_csum_root: 12148737048576 gen: 143310 level: 3
  188. backup_total_bytes: 16002599346176
  189. backup_bytes_used: 13844043563008
  190. backup_num_devices: 1
  191.  
  192. backup 2:
  193. backup_tree_root: 13200267034624 gen: 143310 level: 1
  194. backup_chunk_root: 18457746685952 gen: 139053 level: 1
  195. backup_extent_root: 13621839593472 gen: 143311 level: 3
  196. backup_fs_root: 0 gen: 0 level: 0
  197. backup_dev_root: 861683712 gen: 143276 level: 1
  198. backup_csum_root: 13621847818240 gen: 143311 level: 3
  199. backup_total_bytes: 16002599346176
  200. backup_bytes_used: 13844007002112
  201. backup_num_devices: 1
  202.  
  203. backup 3:
  204. backup_tree_root: 30801920 gen: 143311 level: 1
  205. backup_chunk_root: 18457746685952 gen: 139053 level: 1
  206. backup_extent_root: 31129600 gen: 143311 level: 3
  207. backup_fs_root: 0 gen: 0 level: 0
  208. backup_dev_root: 371555172352 gen: 143311 level: 1
  209. backup_csum_root: 371568541696 gen: 143311 level: 3
  210. backup_total_bytes: 16002599346176
  211. backup_bytes_used: 13844011081728
  212. backup_num_devices: 1
  213.  
  214.  
  215. superblock: bytenr=274877906944, device=/dev/mapper/dshelf2
  216. ---------------------------------------------------------
  217. csum_type 0 (crc32c)
  218. csum_size 4
  219. csum 0xddf9e021 [match]
  220. bytenr 274877906944
  221. flags 0x1
  222. ( WRITTEN )
  223. magic _BHRfS_M [match]
  224. fsid 0f1a0c9f-4e54-4fa7-8736-fd50818ff73d
  225. label dshelf2
  226. generation 143330
  227. root 18457780224000
  228. sys_array_size 129
  229. chunk_root_generation 143312
  230. root_level 1
  231. chunk_root 18457746669568
  232. chunk_root_level 1
  233. log_root 0
  234. log_root_transid 0
  235. log_root_level 0
  236. total_bytes 16002599346176
  237. bytes_used 13844011081728
  238. sectorsize 4096
  239. nodesize 16384
  240. leafsize (deprecated) 16384
  241. stripesize 4096
  242. root_dir 6
  243. num_devices 1
  244. compat_flags 0x0
  245. compat_ro_flags 0x0
  246. incompat_flags 0x169
  247. ( MIXED_BACKREF |
  248. COMPRESS_LZO |
  249. BIG_METADATA |
  250. EXTENDED_IREF |
  251. SKINNY_METADATA )
  252. cache_generation 143311
  253. uuid_tree_generation 143258
  254. dev_item.uuid 90856917-ce18-44bc-b651-f3411a6a15fb
  255. dev_item.fsid 0f1a0c9f-4e54-4fa7-8736-fd50818ff73d [match]
  256. dev_item.type 0
  257. dev_item.total_bytes 16002599346176
  258. dev_item.bytes_used 15182301429760
  259. dev_item.io_align 4096
  260. dev_item.io_width 4096
  261. dev_item.sector_size 4096
  262. dev_item.devid 1
  263. dev_item.dev_group 0
  264. dev_item.seek_speed 0
  265. dev_item.bandwidth 0
  266. dev_item.generation 0
  267. sys_chunk_array[2048]:
  268. item 0 key (FIRST_CHUNK_TREE CHUNK_ITEM 18457746669568)
  269. length 33554432 owner 2 stripe_len 65536 type SYSTEM|DUP
  270. io_align 65536 io_width 65536 sector_size 4096
  271. num_stripes 2 sub_stripes 1
  272. stripe 0 devid 1 offset 14529912111104
  273. dev_uuid 90856917-ce18-44bc-b651-f3411a6a15fb
  274. stripe 1 devid 1 offset 14529945665536
  275. dev_uuid 90856917-ce18-44bc-b651-f3411a6a15fb
  276. backup_roots[4]:
  277. backup 0:
  278. backup_tree_root: 4949440544768 gen: 143308 level: 1
  279. backup_chunk_root: 18457746685952 gen: 139053 level: 1
  280. backup_extent_root: 8221161668608 gen: 143309 level: 3
  281. backup_fs_root: 0 gen: 0 level: 0
  282. backup_dev_root: 861683712 gen: 143276 level: 1
  283. backup_csum_root: 8221165436928 gen: 143309 level: 3
  284. backup_total_bytes: 16002599346176
  285. backup_bytes_used: 13844107128832
  286. backup_num_devices: 1
  287.  
  288. backup 1:
  289. backup_tree_root: 12029387620352 gen: 143309 level: 1
  290. backup_chunk_root: 18457746685952 gen: 139053 level: 1
  291. backup_extent_root: 12148734214144 gen: 143310 level: 3
  292. backup_fs_root: 0 gen: 0 level: 0
  293. backup_dev_root: 861683712 gen: 143276 level: 1
  294. backup_csum_root: 12148737048576 gen: 143310 level: 3
  295. backup_total_bytes: 16002599346176
  296. backup_bytes_used: 13844043563008
  297. backup_num_devices: 1
  298.  
  299. backup 2:
  300. backup_tree_root: 13200267034624 gen: 143310 level: 1
  301. backup_chunk_root: 18457746685952 gen: 139053 level: 1
  302. backup_extent_root: 13621839593472 gen: 143311 level: 3
  303. backup_fs_root: 0 gen: 0 level: 0
  304. backup_dev_root: 861683712 gen: 143276 level: 1
  305. backup_csum_root: 13621847818240 gen: 143311 level: 3
  306. backup_total_bytes: 16002599346176
  307. backup_bytes_used: 13844007002112
  308. backup_num_devices: 1
  309.  
  310. backup 3:
  311. backup_tree_root: 30801920 gen: 143311 level: 1
  312. backup_chunk_root: 18457746685952 gen: 139053 level: 1
  313. backup_extent_root: 31129600 gen: 143311 level: 3
  314. backup_fs_root: 0 gen: 0 level: 0
  315. backup_dev_root: 371555172352 gen: 143311 level: 1
  316. backup_csum_root: 371568541696 gen: 143311 level: 3
  317. backup_total_bytes: 16002599346176
  318. backup_bytes_used: 13844011081728
  319. backup_num_devices: 1
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