== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 16:57:05 (1755637025)
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116        1844     1285844   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        1692     1285996   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         280     1023720   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000         259     1023741   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:       524091         539      523552   1% /mnt/lustre

 - mkdir 8681 (time 1755637036.77 total 10.00 last 868.09)
 - mkdir 16589 (time 1755637046.77 total 20.00 last 790.75)
 - mkdir 20000 (time 1755637051.12 total 24.35 last 784.52)
 - mkdir 26954 (time 1755637061.12 total 34.35 last 695.34)
 - mkdir 30000 (time 1755637064.66 total 37.89 last 860.76)
 - mkdir 37482 (time 1755637074.66 total 47.89 last 748.19)
 - mkdir 40000 (time 1755637078.03 total 51.26 last 746.50)
 - mkdir 47188 (time 1755637088.03 total 61.26 last 718.80)
 - mkdir 50000 (time 1755637091.79 total 65.02 last 748.32)
 - mkdir 57766 (time 1755637101.79 total 75.02 last 776.57)
 - mkdir 60000 (time 1755637104.83 total 78.05 last 736.05)
total: 65636 mkdir in 86.11 seconds: 762.23 ops/second
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116        1844     1285844   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116      270348     1017340  21% /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         280     1023720   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000       65895      958105   7% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144         368      261776   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144         367      261777   1% /mnt/lustre[OST:1]

filesystem_summary:       589728       66175      523553  12% /mnt/lustre

nlink before: 1, created before: 65636
 - unlinked 0 (time 1755637114 ; total 0 ; last 0)
 - unlinked 10000 (time 1755637140 ; total 26 ; last 26)
 - unlinked 20000 (time 1755637169 ; total 55 ; last 29)
 - unlinked 30000 (time 1755637208 ; total 94 ; last 39)
 - unlinked 40000 (time 1755637234 ; total 120 ; last 26)
 - unlinked 50000 (time 1755637257 ; total 143 ; last 23)
 - unlinked 60000 (time 1755637282 ; total 168 ; last 25)
total: 65536 unlinks in 182 seconds: 360.087921 unlinks/second
nlink between: 1
 - unlinked 0 (time 1755637297 ; total 0 ; last 0)
total: 100 unlinks in 0 seconds: inf unlinks/second
nlink after: 1
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116        1844     1285844   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7804     1279884   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         280     1023720   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000         259     1023741   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144         368      261776   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144         367      261777   1% /mnt/lustre[OST:1]

filesystem_summary:       524092         539      523553   1% /mnt/lustre