== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 11:16:05 (1737130565)
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      2210688        3200     2205440   1% /mnt/lustre[MDT:0]
lustre-OST0000_UUID      3771392        3072     3766272   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3771392        3072     3766272   1% /mnt/lustre[OST:1]

filesystem_summary:      7542784        6144     7532544   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID       499523         333      499190   1% /mnt/lustre[MDT:0]
lustre-OST0000_UUID       118118         358      117760   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       118118         358      117760   1% /mnt/lustre[OST:1]

filesystem_summary:       235853         333      235520   1% /mnt/lustre

 - mkdir 7015 (time 1737130576.57 total 10.00 last 701.42)
 - mkdir 10000 (time 1737130582.50 total 15.93 last 503.32)
 - mkdir 15036 (time 1737130592.50 total 25.93 last 503.59)
 - mkdir 18978 (time 1737130602.50 total 35.93 last 394.16)
 - mkdir 20000 (time 1737130605.46 total 38.89 last 345.78)
 - mkdir 23871 (time 1737130615.46 total 48.89 last 387.00)
 - mkdir 28197 (time 1737130625.46 total 58.89 last 432.50)
 - mkdir 30000 (time 1737130628.82 total 62.25 last 537.05)
 - mkdir 36194 (time 1737130638.82 total 72.25 last 619.38)
 - mkdir 40000 (time 1737130644.32 total 77.76 last 691.30)
 - mkdir 47656 (time 1737130654.32 total 87.76 last 765.55)
 - mkdir 50000 (time 1737130657.10 total 90.53 last 845.12)
 - mkdir 57238 (time 1737130667.10 total 100.53 last 723.71)
 - mkdir 60000 (time 1737130671.03 total 104.46 last 703.29)
total: 65636 mkdir in 112.50 seconds: 583.42 ops/second
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      2210048      751616     1456384  35% /mnt/lustre[MDT:0]
lustre-OST0000_UUID      3771392        3072     3766272   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3771392        3072     3766272   1% /mnt/lustre[OST:1]

filesystem_summary:      7542784        6144     7532544   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID       198693       65882      132811  34% /mnt/lustre[MDT:0]
lustre-OST0000_UUID       118117         357      117760   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       118118         358      117760   1% /mnt/lustre[OST:1]

filesystem_summary:       198693       65882      132811  34% /mnt/lustre

nlink before: 65638, created before: 65636
 - unlinked 0 (time 1737130680 ; total 0 ; last 0)
 - unlinked 10000 (time 1737130706 ; total 26 ; last 26)
 - unlinked 20000 (time 1737130728 ; total 48 ; last 22)
 - unlinked 30000 (time 1737130750 ; total 70 ; last 22)
 - unlinked 40000 (time 1737130773 ; total 93 ; last 23)
 - unlinked 50000 (time 1737130799 ; total 119 ; last 26)
 - unlinked 60000 (time 1737130824 ; total 144 ; last 25)
total: 65536 unlinks in 159 seconds: 412.176086 unlinks/second
nlink between: 102
 - unlinked 0 (time 1737130839 ; total 0 ; last 0)
total: 100 unlinks in 1 seconds: 100.000000 unlinks/second
nlink after: 2
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      2209280       15488     2191744   1% /mnt/lustre[MDT:0]
lustre-OST0000_UUID      3771392        3072     3766272   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3771392        3072     3766272   1% /mnt/lustre[OST:1]

filesystem_summary:      7542784        6144     7532544   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID       336193         778      335415   1% /mnt/lustre[MDT:0]
lustre-OST0000_UUID       118117         357      117760   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       118118         358      117760   1% /mnt/lustre[OST:1]

filesystem_summary:       236298         778      235520   1% /mnt/lustre