== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 05:38:56 (1715333936)
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116        7764     1279924   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7224     1280464   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       26712     3580308   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       21736     3585284   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       48448     7165592   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000        3986     1020014   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        1982     1022018   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        2727      259417   2% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        2607      259537   1% /mnt/lustre[OST:1]

filesystem_summary:       524922        5968      518954   2% /mnt/lustre

 - mkdir 10000 (time 1715333947.32 total 9.70 last 1031.06)
 - mkdir 19965 (time 1715333957.32 total 19.70 last 996.48)
 - mkdir 30000 (time 1715333966.96 total 29.34 last 1040.95)
 - mkdir 40000 (time 1715333976.17 total 38.54 last 1086.58)
 - mkdir 48767 (time 1715333986.17 total 48.54 last 876.68)
 - mkdir 57615 (time 1715333996.17 total 58.54 last 884.70)
 - mkdir 60000 (time 1715333999.29 total 61.67 last 763.14)
total: 65636 mkdir in 67.79 seconds: 968.20 ops/second
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116      276432     1011256  22% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7224     1280464   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       26712     3580308   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       21736     3585284   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       48448     7165592   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000       69622      954378   7% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        1982     1022018   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        2726      259418   2% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        2607      259537   1% /mnt/lustre[OST:1]

filesystem_summary:       590559       71604      518955  13% /mnt/lustre

nlink before: 1, created before: 65636
 - unlinked 0 (time 1715334006 ; total 0 ; last 0)
 - unlinked 10000 (time 1715334025 ; total 19 ; last 19)
 - unlinked 20000 (time 1715334047 ; total 41 ; last 22)
 - unlinked 30000 (time 1715334071 ; total 65 ; last 24)
 - unlinked 40000 (time 1715334091 ; total 85 ; last 20)
 - unlinked 50000 (time 1715334121 ; total 115 ; last 30)
 - unlinked 60000 (time 1715334141 ; total 135 ; last 20)
total: 65536 unlinks in 149 seconds: 439.838928 unlinks/second
nlink between: 1
 - unlinked 0 (time 1715334155 ; 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       13888     1273800   2% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7224     1280464   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       26712     3580308   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       21736     3585284   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       48448     7165592   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000        3986     1020014   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        1982     1022018   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        2726      259418   2% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        2607      259537   1% /mnt/lustre[OST:1]

filesystem_summary:       524923        5968      518955   2% /mnt/lustre