== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 17:01:37 (1713387697)
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 8049 (time 1713387709.01 total 10.00 last 804.81)
 - mkdir 10000 (time 1713387711.65 total 12.64 last 740.22)
 - mkdir 17806 (time 1713387721.65 total 22.64 last 780.59)
 - mkdir 20000 (time 1713387724.37 total 25.36 last 804.87)
 - mkdir 27577 (time 1713387734.37 total 35.36 last 757.66)
 - mkdir 30000 (time 1713387737.59 total 38.58 last 752.88)
 - mkdir 37387 (time 1713387747.59 total 48.58 last 738.67)
 - mkdir 40000 (time 1713387751.05 total 52.04 last 756.64)
 - mkdir 47230 (time 1713387761.05 total 62.04 last 722.99)
 - mkdir 50000 (time 1713387764.80 total 65.79 last 737.25)
 - mkdir 57244 (time 1713387774.80 total 75.79 last 724.38)
 - mkdir 60000 (time 1713387778.62 total 79.61 last 722.00)
total: 65636 mkdir in 87.55 seconds: 749.68 ops/second
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      2209920      751232     1456640  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       198677       65843      132834  34% /mnt/lustre[MDT:0]
lustre-OST0000_UUID       118118         358      117760   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       118117         357      117760   1% /mnt/lustre[OST:1]

filesystem_summary:       198677       65843      132834  34% /mnt/lustre

nlink before: 65638, created before: 65636
 - unlinked 0 (time 1713387787 ; total 0 ; last 0)
 - unlinked 10000 (time 1713387809 ; total 22 ; last 22)
 - unlinked 20000 (time 1713387830 ; total 43 ; last 21)
 - unlinked 30000 (time 1713387851 ; total 64 ; last 21)
 - unlinked 40000 (time 1713387871 ; total 84 ; last 20)
 - unlinked 50000 (time 1713387892 ; total 105 ; last 21)
 - unlinked 60000 (time 1713387912 ; total 125 ; last 20)
total: 65536 unlinks in 136 seconds: 481.882355 unlinks/second
nlink between: 102
 - unlinked 0 (time 1713387924 ; total 0 ; last 0)
total: 100 unlinks in 0 seconds: inf unlinks/second
nlink after: 2
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      2209536       15872     2191616   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       335670         810      334860   1% /mnt/lustre[MDT:0]
lustre-OST0000_UUID       118118         358      117760   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       118117         357      117760   1% /mnt/lustre[OST:1]

filesystem_summary:       236330         810      235520   1% /mnt/lustre