sudo bcachefs fsck -v /dev/sda /dev/sdb [sudo] password for user: Running userspace offline fsck bch2_dev_in_fs() Split brain detected between /dev/sda and /dev/sdb: seq=148 but write_time different, got /dev/sdb Sat Aug 23 03:13:39 2025 /dev/sda Sat Aug 23 03:13:10 2025 Not using older sb starting version 1.28: inode_has_case_insensitive opts=metadata_replicas=2,data_replicas=2,degraded=yes,verbose,fsck,fix_errors=ask,read_only features: new_siphash,inline_data,new_extent_overwrite,btree_ptr_v2,new_varint,journal_no_flush,alloc_v2,extents_across_btree_nodes,incompat_version_field with devices /dev/sdb Using encoding defined by superblock: utf8-12.1.0 recovering from clean shutdown, journal seq 203979 accounting_read... done alloc_read... done snapshots_read... done check_allocations...check_allocations: 0%, done 3012/440582 nodes, at alloc:0:5971127:0 check_allocations: 1%, done 6134/440582 nodes, at alloc:1:4865537:0 check_allocations: 1%, done 7968/440582 nodes, at extents:484223:8:U32_MAX check_allocations: 2%, done 10028/440582 nodes, at extents:1492789:16146816:U32_MAX check_allocations: 2%, done 11659/440582 nodes, at extents:1505312:28123776:U32_MAX check_allocations: 2%, done 13194/440582 nodes, at extents:1537979:4328:U32_MAX check_allocations: 3%, done 14783/440582 nodes, at extents:1686022:47352:U32_MAX check_allocations: 3%, done 16463/440582 nodes, at extents:1829766:12064:U32_MAX check_allocations: 4%, done 17914/440582 nodes, at extents:1849697:75648:U32_MAX check_allocations: 4%, done 19893/440582 nodes, at extents:2099455:8035456:U32_MAX check_allocations: 4%, done 21762/440582 nodes, at extents:2340879:199040:U32_MAX check_allocations: 5%, done 23463/440582 nodes, at extents:2421319:6608:U32_MAX check_allocations: 5%, done 25383/440582 nodes, at extents:2585322:282632:U32_MAX check_allocations: 6%, done 27209/440582 nodes, at extents:2727760:2571472:U32_MAX check_allocations: 6%, done 29155/440582 nodes, at extents:2872384:126712:U32_MAX check_allocations: 7%, done 31075/440582 nodes, at extents:2912155:47744:U32_MAX check_allocations: 7%, done 32804/440582 nodes, at extents:2993330:256:U32_MAX check_allocations: 7%, done 34387/440582 nodes, at extents:3068704:8:U32_MAX check_allocations: 8%, done 36480/440582 nodes, at extents:3122446:1408:U32_MAX check_allocations: 8%, done 38141/440582 nodes, at extents:3125278:342656:U32_MAX check_allocations: 9%, done 40258/440582 nodes, at extents:3128053:1001856:U32_MAX check_allocations: 9%, done 42015/440582 nodes, at extents:3146155:4708096:U32_MAX check_allocations: 9%, done 43812/440582 nodes, at extents:3194298:6813040:U32_MAX check_allocations: 10%, done 45730/440582 nodes, at extents:3282495:212816:U32_MAX check_allocations: 10%, done 48172/440582 nodes, at extents:3329209:89511800:U32_MAX check_allocations: 11%, done 50175/440582 nodes, at extents:3673275:212096:U32_MAX check_allocations: 11%, done 52120/440582 nodes, at extents:4193257:142464:U32_MAX check_allocations: 12%, done 54329/440582 nodes, at extents:4216562:75776:U32_MAX check_allocations: 12%, done 56358/440582 nodes, at extents:4248394:557184:U32_MAX check_allocations: 13%, done 58379/440582 nodes, at extents:4279986:4429584:U32_MAX check_allocations: 13%, done 60151/440582 nodes, at extents:4604276:71057408:U32_MAX check_allocations: 13%, done 61559/440582 nodes, at extents:4645490:47744:U32_MAX check_allocations: 14%, done 63334/440582 nodes, at extents:4712578:8960:U32_MAX check_allocations: 14%, done 65403/440582 nodes, at extents:4806665:10840704:U32_MAX check_allocations: 15%, done 67144/440582 nodes, at extents:5166106:99456:U32_MAX check_allocations: 15%, done 69321/440582 nodes, at extents:6782587:8:U32_MAX check_allocations: 16%, done 70986/440582 nodes, at inodes:0:583442:U32_MAX check_allocations: 16%, done 73370/440582 nodes, at inodes:0:3216028:U32_MAX check_allocations: 17%, done 75076/440582 nodes, at inodes:0:5062665:U32_MAX check_allocations: 17%, done 77150/440582 nodes, at dirents:331497:6076479904767523612:U32_MAX check_allocations: 18%, done 79430/440582 nodes, at dirents:6547310:84777426028461333:U32_MAX check_allocations: 18%, done 81629/440582 nodes, at xattrs:3889474:3110068577365210257:U32_MAX check_allocations: 18%, done 83511/440582 nodes, at backpointers:0:352798793728:0 check_allocations: 19%, done 85278/440582 nodes, at backpointers:0:1071371542528:0 check_allocations: 19%, done 87316/440582 nodes, at backpointers:0:1934985682944:0 check_allocations: 20%, done 89752/440582 nodes, at backpointers:0:2924086083584:0 check_allocations: 20%, done 92068/440582 nodes, at backpointers:0:3878126346240:0 check_allocations: 21%, done 94731/440582 nodes, at backpointers:0:4984825577472:0 check_allocations: 22%, done 97159/440582 nodes, at backpointers:0:5971545292800:0 check_allocations: 22%, done 99409/440582 nodes, at backpointers:0:6892180504576:0 check_allocations: 23%, done 102140/440582 nodes, at backpointers:0:8096023683072:0 check_allocations: 23%, done 103969/440582 nodes, at backpointers:0:8843637358592:0 check_allocations: 24%, done 106585/440582 nodes, at backpointers:0:9920978419712:0 check_allocations: 24%, done 109270/440582 nodes, at backpointers:0:11023868018688:0 check_allocations: 25%, done 111726/440582 nodes, at backpointers:0:12030597791744:0 check_allocations: 25%, done 114200/440582 nodes, at backpointers:0:13051969241088:0 check_allocations: 26%, done 116933/440582 nodes, at backpointers:0:14180869521408:0 check_allocations: 27%, done 119055/440582 nodes, at backpointers:0:15053943988224:0 check_allocations: 27%, done 121288/440582 nodes, at backpointers:0:15971934928896:0 check_allocations: 28%, done 123967/440582 nodes, at backpointers:0:17072482680832:0 check_allocations: 28%, done 126301/440582 nodes, at backpointers:0:18020978720768:0 check_allocations: 29%, done 127891/440582 nodes, at backpointers:0:18635210670080:0 check_allocations: 29%, done 130087/440582 nodes, at backpointers:0:19559269269504:0 check_allocations: 30%, done 132384/440582 nodes, at backpointers:0:20506033127424:0 check_allocations: 30%, done 134447/440582 nodes, at backpointers:0:21718400368640:0 check_allocations: 30%, done 136194/440582 nodes, at backpointers:0:22415423094784:0 check_allocations: 31%, done 138840/440582 nodes, at backpointers:0:23503632318464:0 check_allocations: 31%, done 140949/440582 nodes, at backpointers:0:24367546982400:0 check_allocations: 32%, done 143196/440582 nodes, at backpointers:0:25280281788416:0 check_allocations: 32%, done 144716/440582 nodes, at backpointers:0:25781195816960:0 check_allocations: 33%, done 146334/440582 nodes, at backpointers:1:331917303808:0 check_allocations: 33%, done 148028/440582 nodes, at backpointers:1:909037314048:0 check_allocations: 34%, done 150006/440582 nodes, at backpointers:1:1630181924864:0 check_allocations: 34%, done 152404/440582 nodes, at backpointers:1:2475956371456:0 check_allocations: 35%, done 154476/440582 nodes, at backpointers:1:3194395295744:0 check_allocations: 35%, done 156637/440582 nodes, at backpointers:1:3956576854016:0 check_allocations: 36%, done 159116/440582 nodes, at backpointers:1:4840745009152:0 check_allocations: 36%, done 161344/440582 nodes, at backpointers:1:5617621139456:0 check_allocations: 37%, done 163487/440582 nodes, at backpointers:1:6370567446528:0 check_allocations: 37%, done 165866/440582 nodes, at backpointers:1:7201795637248:0 check_allocations: 38%, done 167793/440582 nodes, at backpointers:1:7963250139136:0 check_allocations: 38%, done 169921/440582 nodes, at backpointers:1:8708585562112:0 check_allocations: 39%, done 172083/440582 nodes, at backpointers:1:9471430369280:0 check_allocations: 39%, done 173901/440582 nodes, at backpointers:1:10113349730304:0 check_allocations: 39%, done 175520/440582 nodes, at backpointers:1:10681049849856:0 check_allocations: 40%, done 177985/440582 nodes, at backpointers:1:11545309347840:0 check_allocations: 40%, done 180233/440582 nodes, at backpointers:1:12340192346112:0 check_allocations: 41%, done 182376/440582 nodes, at backpointers:1:13098127015936:0 check_allocations: 41%, done 184697/440582 nodes, at backpointers:1:13919266021376:0 check_allocations: 42%, done 186663/440582 nodes, at backpointers:1:14613876801536:0 check_allocations: 42%, done 188883/440582 nodes, at backpointers:1:15395844259840:0 check_allocations: 43%, done 191038/440582 nodes, at backpointers:1:16154730618880:0 check_allocations: 43%, done 193280/440582 nodes, at backpointers:1:16942523940864:0 check_allocations: 44%, done 195513/440582 nodes, at backpointers:1:17730469339136:0 check_allocations: 44%, done 197509/440582 nodes, at backpointers:1:18380180381696:0 check_allocations: 45%, done 199400/440582 nodes, at backpointers:1:19066458587136:0 check_allocations: 45%, done 201991/440582 nodes, at backpointers:1:19981327122432:0 check_allocations: 46%, done 204248/440582 nodes, at backpointers:1:20777786679296:0 check_allocations: 46%, done 206071/440582 nodes, at backpointers:1:21784213979136:0 check_allocations: 47%, done 207983/440582 nodes, at backpointers:1:22436196941824:0 check_allocations: 47%, done 210193/440582 nodes, at backpointers:1:23214715305984:0 check_allocations: 48%, done 212585/440582 nodes, at backpointers:1:24055392501760:0 check_allocations: 48%, done 214670/440582 nodes, at backpointers:1:24788553457664:0 check_allocations: 49%, done 217127/440582 nodes, at backpointers:1:25560514068480:0 check_allocations: 49%, done 218545/440582 nodes, at backpointers:1:26002336931840:0 done going read-write journal_replay... done check_alloc_info... done check_lrus... done check_btree_backpointers... done check_extents_to_backpointers... done check_alloc_to_lru_refs... done check_snapshot_trees... done check_snapshots... done check_subvols... done check_subvol_children... done delete_dead_snapshots... done check_inodes... done check_extents... done check_indirect_extents... done check_dirents... done check_xattrs... done check_root... done check_unreachable_inodes... done check_subvolume_structure... done check_directory_structure... done check_nlinks... done check_rebalance_work... done resume_logged_ops... done delete_dead_inodes... done going read-only finished waiting for writes to stop flushing journal and stopping allocators, journal seq 203979 flushing journal and stopping allocators complete, journal seq 203979 clean shutdown complete, journal seq 203980 marking filesystem clean done starting filesystem shutting down shutdown complete