== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 06:48:30 (1713437310)
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116        1844     1285844   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        1688     1286000   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116        1524     3605496   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116        1524     3605496   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232        3048     7210992   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000         280     1023720   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000         259     1023741   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144         368      261776   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144         368      261776   1% /mnt/lustre[OST:1]

filesystem_summary:       524091         539      523552   1% /mnt/lustre

 - mkdir 10000 (time 1713437320.10 total 8.49 last 1178.41)
 - mkdir 20000 (time 1713437328.73 total 17.11 last 1159.19)
 - mkdir 30000 (time 1713437337.58 total 25.97 last 1129.21)
 - mkdir 40000 (time 1713437346.07 total 34.46 last 1177.73)
 - mkdir 50000 (time 1713437354.49 total 42.87 last 1188.55)
 - mkdir 60000 (time 1713437362.91 total 51.30 last 1186.56)
total: 65636 mkdir in 56.20 seconds: 1167.95 ops/second
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116        1844     1285844   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116      270368     1017320  21% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116        1524     3605496   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116        1524     3605496   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232        3048     7210992   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000         280     1023720   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000       65895      958105   7% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144         367      261777   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144         368      261776   1% /mnt/lustre[OST:1]

filesystem_summary:       589728       66175      523553  12% /mnt/lustre

nlink before: 1, created before: 65636
 - unlinked 0 (time 1713437368 ; total 0 ; last 0)
 - unlinked 10000 (time 1713437384 ; total 16 ; last 16)
 - unlinked 20000 (time 1713437402 ; total 34 ; last 18)
 - unlinked 30000 (time 1713437420 ; total 52 ; last 18)
 - unlinked 40000 (time 1713437438 ; total 70 ; last 18)
 - unlinked 50000 (time 1713437455 ; total 87 ; last 17)
 - unlinked 60000 (time 1713437473 ; total 105 ; last 18)
total: 65536 unlinks in 115 seconds: 569.878235 unlinks/second
nlink between: 1
 - unlinked 0 (time 1713437483 ; total 0 ; last 0)
total: 100 unlinks in 1 seconds: 100.000000 unlinks/second
nlink after: 1
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116        1844     1285844   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7824     1279864   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116        1524     3605496   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116        1524     3605496   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232        3048     7210992   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000         280     1023720   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000         259     1023741   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144         367      261777   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144         368      261776   1% /mnt/lustre[OST:1]

filesystem_summary:       524092         539      523553   1% /mnt/lustre