== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 09:54:15 (1761141255)
UUID                   1K-blocks        Used   Available Use%  Mounted on
lustre-MDT0000_UUID      1414116        1772     1285916   1%  /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        1616     1286072   1%  /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116        1536     3605484   1%  /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116        1536     3605484   1%  /mnt/lustre[OST:1]

filesystem_summary:      7666232        3072     7210968   1%  /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse%  Mounted on
lustre-MDT0000_UUID      1024000         278     1023722   1%  /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000         257     1023743   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:       524087         535      523552   1%  /mnt/lustre

 - mkdir 8123 (time 1761141267.14 total 10.00 last 812.28)
 - mkdir 10000 (time 1761141270.13 total 12.98 last 629.27)
 - mkdir 17541 (time 1761141280.13 total 22.98 last 754.06)
 - mkdir 20000 (time 1761141283.86 total 26.71 last 659.05)
 - mkdir 27133 (time 1761141293.86 total 36.72 last 713.26)
 - mkdir 30000 (time 1761141299.10 total 41.96 last 546.88)
 - mkdir 38367 (time 1761141309.10 total 51.96 last 836.69)
 - mkdir 40000 (time 1761141311.19 total 54.04 last 782.70)
 - mkdir 47745 (time 1761141321.19 total 64.05 last 774.43)
 - mkdir 50000 (time 1761141323.90 total 66.76 last 830.97)
 - mkdir 58342 (time 1761141333.90 total 76.76 last 834.12)
 - mkdir 60000 (time 1761141336.03 total 78.88 last 780.40)
total: 65636 mkdir in 85.96 seconds: 763.57 ops/second
UUID                   1K-blocks        Used   Available Use%  Mounted on
lustre-MDT0000_UUID      1414116      270412     1017276  21%  /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        1616     1286072   1%  /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116        1536     3605484   1%  /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116        1536     3605484   1%  /mnt/lustre[OST:1]

filesystem_summary:      7666232        3072     7210968   1%  /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse%  Mounted on
lustre-MDT0000_UUID      1024000       65914      958086   7%  /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000         257     1023743   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:       589724       66171      523553  12%  /mnt/lustre

nlink before: 1, created before: 65636
 - unlinked 0 (time 1761141345 ; total 0 ; last 0)
 - unlinked 10000 (time 1761141370 ; total 25 ; last 25)
 - unlinked 20000 (time 1761141392 ; total 47 ; last 22)
 - unlinked 30000 (time 1761141413 ; total 68 ; last 21)
 - unlinked 40000 (time 1761141436 ; total 91 ; last 23)
 - unlinked 50000 (time 1761141457 ; total 112 ; last 21)
 - unlinked 60000 (time 1761141477 ; total 132 ; last 20)
total: 65536 unlinks in 143 seconds: 458.293701 unlinks/second
nlink between: 1
 - unlinked 0 (time 1761141488 ; 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        8268     1279420   1%  /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        1616     1286072   1%  /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116        1536     3605484   1%  /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116        1536     3605484   1%  /mnt/lustre[OST:1]

filesystem_summary:      7666232        3072     7210968   1%  /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse%  Mounted on
lustre-MDT0000_UUID      1024000         378     1023622   1%  /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000         257     1023743   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:       524188         635      523553   1%  /mnt/lustre