== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 16:49:57 (1718398197)
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 1718398207.50 total 8.87 last 1126.77)
 - mkdir 20000 (time 1718398217.49 total 18.86 last 1001.22)
 - mkdir 24075 (time 1718398227.49 total 28.86 last 407.41)
 - mkdir 27321 (time 1718398237.49 total 38.87 last 324.58)
 - mkdir 30000 (time 1718398240.89 total 42.26 last 788.73)
 - mkdir 37491 (time 1718398250.89 total 52.26 last 749.02)
 - mkdir 40000 (time 1718398253.72 total 55.10 last 885.28)
 - mkdir 46943 (time 1718398263.72 total 65.10 last 694.25)
 - mkdir 50000 (time 1718398268.90 total 70.28 last 590.00)
 - mkdir 58265 (time 1718398278.90 total 80.28 last 826.47)
 - mkdir 60000 (time 1718398281.41 total 82.78 last 692.81)
total: 65636 mkdir in 90.88 seconds: 722.22 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      270352     1017336  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 1718398290 ; total 0 ; last 0)
 - unlinked 10000 (time 1718398312 ; total 22 ; last 22)
 - unlinked 20000 (time 1718398346 ; total 56 ; last 34)
 - unlinked 30000 (time 1718398380 ; total 90 ; last 34)
 - unlinked 40000 (time 1718398406 ; total 116 ; last 26)
 - unlinked 50000 (time 1718398431 ; total 141 ; last 25)
 - unlinked 60000 (time 1718398459 ; total 169 ; last 28)
total: 65536 unlinks in 183 seconds: 358.120209 unlinks/second
nlink between: 1
 - unlinked 0 (time 1718398474 ; 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        7808     1279880   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