== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 20:54:40 (1713488080)
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116        7700     1279988   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7184     1280504   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       25836     3581184   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       22648     3584372   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       48484     7165556   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000        4056     1019944   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        2002     1021998   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        2708      259436   2% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        2733      259411   2% /mnt/lustre[OST:1]

filesystem_summary:       524905        6058      518847   2% /mnt/lustre

 - mkdir 6477 (time 1713488091.94 total 10.00 last 647.60)
 - mkdir 10000 (time 1713488096.62 total 14.68 last 752.54)
 - mkdir 18471 (time 1713488106.62 total 24.68 last 846.95)
 - mkdir 20000 (time 1713488109.56 total 27.62 last 521.01)
 - mkdir 25660 (time 1713488119.56 total 37.62 last 565.95)
 - mkdir 30000 (time 1713488124.39 total 42.45 last 899.08)
 - mkdir 39575 (time 1713488134.39 total 52.45 last 957.47)
 - mkdir 48940 (time 1713488144.39 total 62.45 last 936.48)
 - mkdir 58091 (time 1713488154.39 total 72.45 last 915.05)
total: 65636 mkdir in 80.41 seconds: 816.24 ops/second
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116        7700     1279988   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116      275800     1011888  22% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       25836     3581184   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       22648     3584372   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       48484     7165556   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000        4056     1019944   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000       67638      956362   7% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        2708      259436   2% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        2733      259411   2% /mnt/lustre[OST:1]

filesystem_summary:       590541       71694      518847  13% /mnt/lustre

nlink before: 1, created before: 65636
 - unlinked 0 (time 1713488163 ; total 0 ; last 0)
 - unlinked 10000 (time 1713488184 ; total 21 ; last 21)
 - unlinked 20000 (time 1713488203 ; total 40 ; last 19)
 - unlinked 30000 (time 1713488221 ; total 58 ; last 18)
 - unlinked 40000 (time 1713488242 ; total 79 ; last 21)
 - unlinked 50000 (time 1713488262 ; total 99 ; last 20)
 - unlinked 60000 (time 1713488283 ; total 120 ; last 21)
total: 65536 unlinks in 131 seconds: 500.274811 unlinks/second
nlink between: 1
 - unlinked 0 (time 1713488294 ; 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        7700     1279988   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116       13256     1274432   2% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       25836     3581184   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       22648     3584372   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       48484     7165556   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000        4056     1019944   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        2002     1021998   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        2708      259436   2% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        2733      259411   2% /mnt/lustre[OST:1]

filesystem_summary:       524905        6058      518847   2% /mnt/lustre