== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 12:19:42 (1721405982)
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 7000 (time 1721405993.84 total 10.00 last 699.95)
 - mkdir 10000 (time 1721405998.60 total 14.76 last 630.33)
 - mkdir 15993 (time 1721406008.61 total 24.76 last 599.24)
 - mkdir 20000 (time 1721406017.25 total 33.41 last 463.56)
 - mkdir 24957 (time 1721406027.25 total 43.41 last 495.60)
 - mkdir 29896 (time 1721406037.25 total 53.41 last 493.84)
 - mkdir 34701 (time 1721406047.34 total 63.49 last 476.56)
 - mkdir 39720 (time 1721406057.34 total 73.49 last 501.82)
 - mkdir 44376 (time 1721406067.34 total 83.49 last 465.56)
 - mkdir 48728 (time 1721406077.34 total 93.50 last 435.13)
 - mkdir 50000 (time 1721406080.37 total 96.53 last 419.58)
 - mkdir 55089 (time 1721406090.37 total 106.53 last 508.88)
 - mkdir 59440 (time 1721406100.37 total 116.53 last 435.07)
 - mkdir 63858 (time 1721406110.37 total 126.53 last 441.77)
total: 65636 mkdir in 130.51 seconds: 502.93 ops/second
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      2210304      751872     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       198694       65883      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:       198694       65883      132811  34% /mnt/lustre

nlink before: 65638, created before: 65636
 - unlinked 0 (time 1721406116 ; total 0 ; last 0)
 - unlinked 10000 (time 1721406157 ; total 41 ; last 41)
 - unlinked 20000 (time 1721406200 ; total 84 ; last 43)
 - unlinked 30000 (time 1721406232 ; total 116 ; last 32)
 - unlinked 40000 (time 1721406267 ; total 151 ; last 35)
 - unlinked 50000 (time 1721406298 ; total 182 ; last 31)
 - unlinked 60000 (time 1721406327 ; total 211 ; last 29)
total: 65536 unlinks in 229 seconds: 286.183411 unlinks/second
nlink between: 102
 - unlinked 0 (time 1721406345 ; 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       15360     2192512   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       337378         774      336604   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:       236294         774      235520   1% /mnt/lustre