== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 08:38:59 (1746794339)
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116        7808     1279880   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7228     1280460   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       22800     3584220   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       20304     3586716   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       43104     7170936   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000        4085     1019915   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        1973     1022027   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        2743      259401   2% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        2662      259482   2% /mnt/lustre[OST:1]

filesystem_summary:       524941        6058      518883   2% /mnt/lustre

 - mkdir 7887 (time 1746794350.36 total 10.00 last 788.63)
 - mkdir 10000 (time 1746794352.65 total 12.28 last 925.84)
 - mkdir 16594 (time 1746794362.65 total 22.29 last 659.27)
 - mkdir 20000 (time 1746794368.76 total 28.39 last 557.57)
 - mkdir 25336 (time 1746794378.76 total 38.39 last 533.57)
 - mkdir 30000 (time 1746794386.02 total 45.66 last 642.13)
 - mkdir 34893 (time 1746794396.02 total 55.66 last 489.27)
 - mkdir 39661 (time 1746794406.02 total 65.66 last 476.74)
 - mkdir 44320 (time 1746794416.02 total 75.66 last 465.81)
 - mkdir 48931 (time 1746794426.02 total 85.66 last 461.07)
 - mkdir 50000 (time 1746794428.39 total 88.03 last 451.31)
 - mkdir 54565 (time 1746794438.40 total 98.03 last 456.40)
 - mkdir 59711 (time 1746794448.40 total 108.03 last 514.60)
 - mkdir 64590 (time 1746794458.40 total 118.03 last 487.86)
total: 65636 mkdir in 120.43 seconds: 545.02 ops/second
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116      276396     1011292  22% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7228     1280460   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       22800     3584220   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       20304     3586716   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       43104     7170936   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000       69721      954279   7% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        1973     1022027   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        2742      259402   2% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        2662      259482   2% /mnt/lustre[OST:1]

filesystem_summary:       590578       71694      518884  13% /mnt/lustre

nlink before: 1, created before: 65636
 - unlinked 0 (time 1746794462 ; total 0 ; last 0)
 - unlinked 10000 (time 1746794495 ; total 33 ; last 33)
 - unlinked 20000 (time 1746794533 ; total 71 ; last 38)
 - unlinked 30000 (time 1746794571 ; total 109 ; last 38)
 - unlinked 40000 (time 1746794611 ; total 149 ; last 40)
 - unlinked 50000 (time 1746794650 ; total 188 ; last 39)
 - unlinked 60000 (time 1746794690 ; total 228 ; last 40)
total: 65536 unlinks in 250 seconds: 262.144012 unlinks/second
nlink between: 1
 - unlinked 0 (time 1746794713 ; 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       13852     1273836   2% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7228     1280460   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       22800     3584220   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       20304     3586716   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       43104     7170936   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000        4085     1019915   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        1973     1022027   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        2742      259402   2% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        2662      259482   2% /mnt/lustre[OST:1]

filesystem_summary:       524942        6058      518884   2% /mnt/lustre