== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 14:40:41 (1715452841)
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116        1844     1285844   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        1688     1286000   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116        1388     3605632   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116        1388     3605632   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232        2776     7211264   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         334      261810   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144         334      261810   1% /mnt/lustre[OST:1]

filesystem_summary:       524159         539      523620   1% /mnt/lustre

 - mkdir 10000 (time 1715452851.07 total 8.74 last 1143.90)
 - mkdir 20000 (time 1715452858.73 total 16.41 last 1304.96)
 - mkdir 30000 (time 1715452867.23 total 24.91 last 1176.27)
 - mkdir 40000 (time 1715452876.12 total 33.80 last 1125.01)
 - mkdir 50000 (time 1715452884.88 total 42.56 last 1141.21)
 - mkdir 60000 (time 1715452893.84 total 51.52 last 1115.71)
total: 65636 mkdir in 56.76 seconds: 1156.42 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      270372     1017316  21% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116        1388     3605632   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116        1388     3605632   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232        2776     7211264   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         333      261811   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144         334      261810   1% /mnt/lustre[OST:1]

filesystem_summary:       589796       66175      523621  12% /mnt/lustre

nlink before: 1, created before: 65636
 - unlinked 0 (time 1715452900 ; total 0 ; last 0)
 - unlinked 10000 (time 1715452929 ; total 29 ; last 29)
 - unlinked 20000 (time 1715452963 ; total 63 ; last 34)
 - unlinked 30000 (time 1715452999 ; total 99 ; last 36)
 - unlinked 40000 (time 1715453036 ; total 136 ; last 37)
 - unlinked 50000 (time 1715453073 ; total 173 ; last 37)
 - unlinked 60000 (time 1715453109 ; total 209 ; last 36)
total: 65536 unlinks in 230 seconds: 284.939117 unlinks/second
nlink between: 1
 - unlinked 0 (time 1715453131 ; 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        7828     1279860   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116        1388     3605632   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116        1388     3605632   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232        2776     7211264   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         333      261811   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144         334      261810   1% /mnt/lustre[OST:1]

filesystem_summary:       524160         539      523621   1% /mnt/lustre