== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 23:55:46 (1721879746)
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 3891 (time 1721879757.55 total 10.00 last 389.07)
 - mkdir 10000 (time 1721879767.46 total 19.91 last 616.56)
 - mkdir 15613 (time 1721879777.46 total 29.91 last 561.21)
 - mkdir 20000 (time 1721879786.76 total 39.21 last 471.51)
 - mkdir 25186 (time 1721879796.76 total 49.22 last 518.58)
 - mkdir 30000 (time 1721879805.93 total 58.38 last 525.43)
 - mkdir 35558 (time 1721879815.93 total 68.38 last 555.73)
 - mkdir 40000 (time 1721879824.12 total 76.57 last 542.27)
 - mkdir 45401 (time 1721879834.12 total 86.57 last 540.06)
 - mkdir 50000 (time 1721879842.06 total 94.51 last 579.38)
 - mkdir 54576 (time 1721879852.06 total 104.51 last 457.49)
 - mkdir 58831 (time 1721879862.06 total 114.51 last 425.43)
 - mkdir 60000 (time 1721879865.31 total 117.76 last 359.80)
 - mkdir 63077 (time 1721879875.31 total 127.76 last 307.68)
total: 65636 mkdir in 137.09 seconds: 478.77 ops/second
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      2210176      751872     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       198681       65882      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:       198681       65882      132799  34% /mnt/lustre

nlink before: 65638, created before: 65636
 - unlinked 0 (time 1721879886 ; total 0 ; last 0)
 - unlinked 10000 (time 1721879930 ; total 44 ; last 44)
 - unlinked 20000 (time 1721879969 ; total 83 ; last 39)
 - unlinked 30000 (time 1721880001 ; total 115 ; last 32)
 - unlinked 40000 (time 1721880029 ; total 143 ; last 28)
 - unlinked 50000 (time 1721880060 ; total 174 ; last 31)
 - unlinked 60000 (time 1721880090 ; total 204 ; last 30)
total: 65536 unlinks in 221 seconds: 296.542999 unlinks/second
nlink between: 102
 - unlinked 0 (time 1721880107 ; 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      2209920       15488     2192384   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       337629         777      336852   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:       236297         777      235520   1% /mnt/lustre