== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 18:02:18 (1715205738)
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       118152         392      117760   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       118152         392      117760   1% /mnt/lustre[OST:1]

filesystem_summary:       235853         333      235520   1% /mnt/lustre

 - mkdir 7315 (time 1715205749.95 total 10.00 last 731.42)
 - mkdir 10000 (time 1715205753.41 total 13.46 last 777.06)
 - mkdir 17313 (time 1715205763.41 total 23.46 last 731.23)
 - mkdir 20000 (time 1715205766.89 total 26.94 last 771.05)
 - mkdir 27329 (time 1715205776.91 total 36.96 last 731.58)
 - mkdir 30000 (time 1715205780.66 total 40.71 last 712.69)
 - mkdir 36824 (time 1715205790.66 total 50.71 last 682.33)
 - mkdir 40000 (time 1715205795.41 total 55.46 last 668.56)
 - mkdir 46834 (time 1715205805.41 total 65.46 last 683.37)
 - mkdir 50000 (time 1715205810.36 total 70.41 last 639.98)
 - mkdir 56971 (time 1715205820.36 total 80.41 last 697.09)
 - mkdir 60000 (time 1715205824.65 total 84.70 last 705.64)
total: 65636 mkdir in 92.93 seconds: 706.27 ops/second
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      2210048      751744     1456256  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       198674       65875      132799  34% /mnt/lustre[MDT:0]
lustre-OST0000_UUID       118151         391      117760   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       118152         392      117760   1% /mnt/lustre[OST:1]

filesystem_summary:       198674       65875      132799  34% /mnt/lustre

nlink before: 65638, created before: 65636
 - unlinked 0 (time 1715205834 ; total 0 ; last 0)
 - unlinked 10000 (time 1715205856 ; total 22 ; last 22)
 - unlinked 20000 (time 1715205878 ; total 44 ; last 22)
 - unlinked 30000 (time 1715205899 ; total 65 ; last 21)
 - unlinked 40000 (time 1715205919 ; total 85 ; last 20)
 - unlinked 50000 (time 1715205940 ; total 106 ; last 21)
 - unlinked 60000 (time 1715205959 ; total 125 ; last 19)
total: 65536 unlinks in 136 seconds: 481.882355 unlinks/second
nlink between: 102
 - unlinked 0 (time 1715205970 ; 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      2209664       15488     2192128   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       336524         782      335742   1% /mnt/lustre[MDT:0]
lustre-OST0000_UUID       118151         391      117760   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       118152         392      117760   1% /mnt/lustre[OST:1]

filesystem_summary:       236302         782      235520   1% /mnt/lustre