== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 12:57:34 (1713286654)
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116        7816     1279872   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7244     1280444   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       21600     3585420   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       22792     3584228   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       44392     7169648   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000        4076     1019924   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        1965     1022035   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        2783      259361   2% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        2681      259463   2% /mnt/lustre[OST:1]

filesystem_summary:       524865        6041      518824   2% /mnt/lustre

 - mkdir 4360 (time 1713286665.40 total 10.00 last 435.99)
 - mkdir 8573 (time 1713286675.40 total 20.00 last 421.26)
 - mkdir 10000 (time 1713286678.71 total 23.32 last 430.21)
 - mkdir 14308 (time 1713286688.71 total 33.32 last 430.77)
 - mkdir 18672 (time 1713286698.72 total 43.32 last 436.34)
 - mkdir 20000 (time 1713286701.77 total 46.38 last 434.08)
 - mkdir 24334 (time 1713286711.78 total 56.38 last 433.34)
 - mkdir 28688 (time 1713286721.78 total 66.38 last 435.30)
 - mkdir 30000 (time 1713286724.86 total 69.46 last 426.42)
 - mkdir 34549 (time 1713286734.86 total 79.46 last 454.88)
 - mkdir 39566 (time 1713286744.86 total 89.46 last 501.64)
 - mkdir 45352 (time 1713286754.86 total 99.46 last 578.57)
 - mkdir 50000 (time 1713286762.92 total 107.53 last 576.26)
 - mkdir 54431 (time 1713286772.92 total 117.53 last 443.04)
 - mkdir 58857 (time 1713286782.93 total 127.53 last 442.54)
 - mkdir 60000 (time 1713286785.60 total 130.21 last 426.94)
 - mkdir 64315 (time 1713286795.60 total 140.21 last 431.49)
total: 65636 mkdir in 143.26 seconds: 458.15 ops/second
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116      276428     1011260  22% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7244     1280444   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       21600     3585420   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       22792     3584228   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       44392     7169648   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000       69712      954288   7% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        1965     1022035   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        2783      259361   2% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        2681      259463   2% /mnt/lustre[OST:1]

filesystem_summary:       590501       71677      518824  13% /mnt/lustre

nlink before: 1, created before: 65636
 - unlinked 0 (time 1713286800 ; total 0 ; last 0)
 - unlinked 10000 (time 1713286838 ; total 38 ; last 38)
 - unlinked 20000 (time 1713286878 ; total 78 ; last 40)
 - unlinked 30000 (time 1713286918 ; total 118 ; last 40)
 - unlinked 40000 (time 1713286961 ; total 161 ; last 43)
 - unlinked 50000 (time 1713287003 ; total 203 ; last 42)
 - unlinked 60000 (time 1713287047 ; total 247 ; last 44)
total: 65536 unlinks in 270 seconds: 242.725922 unlinks/second
nlink between: 1
 - unlinked 0 (time 1713287071 ; 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       13884     1273804   2% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7244     1280444   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       21600     3585420   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       22792     3584228   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       44392     7169648   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000        4076     1019924   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        1965     1022035   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        2783      259361   2% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        2681      259463   2% /mnt/lustre[OST:1]

filesystem_summary:       524865        6041      518824   2% /mnt/lustre