== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 06:04:15 (1715335455)
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116        7772     1279916   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7216     1280472   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       29816     3577204   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       14556     3592464   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       44372     7169668   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000        4088     1019912   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        1990     1022010   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        2827      259317   2% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        2680      259464   2% /mnt/lustre[OST:1]

filesystem_summary:       524859        6078      518781   2% /mnt/lustre

 - mkdir 10000 (time 1715335466.35 total 9.86 last 1014.65)
 - mkdir 18818 (time 1715335476.35 total 19.86 last 881.68)
 - mkdir 28281 (time 1715335486.35 total 29.86 last 946.29)
 - mkdir 37886 (time 1715335496.35 total 39.86 last 960.50)
 - mkdir 40000 (time 1715335498.46 total 41.97 last 1000.87)
 - mkdir 49788 (time 1715335508.46 total 51.97 last 978.73)
 - mkdir 59744 (time 1715335518.46 total 61.97 last 995.54)
total: 65636 mkdir in 67.70 seconds: 969.47 ops/second
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116      276404     1011284  22% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7216     1280472   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       29816     3577204   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       14556     3592464   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       44372     7169668   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000       69724      954276   7% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        1990     1022010   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        2827      259317   2% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        2679      259465   2% /mnt/lustre[OST:1]

filesystem_summary:       590496       71714      518782  13% /mnt/lustre

nlink before: 1, created before: 65636
 - unlinked 0 (time 1715335525 ; total 0 ; last 0)
 - unlinked 10000 (time 1715335549 ; total 24 ; last 24)
 - unlinked 20000 (time 1715335571 ; total 46 ; last 22)
 - unlinked 30000 (time 1715335594 ; total 69 ; last 23)
 - unlinked 40000 (time 1715335614 ; total 89 ; last 20)
 - unlinked 50000 (time 1715335638 ; total 113 ; last 24)
 - unlinked 60000 (time 1715335659 ; total 134 ; last 21)
total: 65536 unlinks in 144 seconds: 455.111115 unlinks/second
nlink between: 1
 - unlinked 0 (time 1715335669 ; 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       13860     1273828   2% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7216     1280472   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       29816     3577204   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       14556     3592464   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       44372     7169668   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000        4088     1019912   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        1990     1022010   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        2827      259317   2% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        2679      259465   2% /mnt/lustre[OST:1]

filesystem_summary:       524860        6078      518782   2% /mnt/lustre