== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 00:40:14 (1726116014) 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 4841 (time 1726116026.36 total 10.00 last 484.01) - mkdir 9706 (time 1726116036.36 total 20.00 last 486.35) - mkdir 14374 (time 1726116046.36 total 30.01 last 466.72) - mkdir 18865 (time 1726116056.36 total 40.01 last 449.06) - mkdir 20000 (time 1726116059.00 total 42.64 last 430.96) - mkdir 24259 (time 1726116069.00 total 52.64 last 425.83) - mkdir 28451 (time 1726116079.00 total 62.64 last 419.15) - mkdir 30000 (time 1726116082.74 total 66.39 last 414.04) - mkdir 34291 (time 1726116092.74 total 76.39 last 429.04) - mkdir 38386 (time 1726116102.74 total 86.39 last 409.46) - mkdir 40000 (time 1726116106.60 total 90.24 last 418.65) - mkdir 43934 (time 1726116116.60 total 100.24 last 393.39) - mkdir 47863 (time 1726116126.60 total 110.24 last 392.89) - mkdir 50000 (time 1726116132.05 total 115.70 last 391.88) - mkdir 53966 (time 1726116142.05 total 125.70 last 396.54) - mkdir 57989 (time 1726116152.06 total 135.70 last 402.21) - mkdir 60000 (time 1726116157.16 total 140.80 last 393.97) - mkdir 63943 (time 1726116167.16 total 150.81 last 394.23) total: 65636 mkdir in 155.06 seconds: 423.31 ops/second UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210176 751360 1456768 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 198700 65854 132846 34% /mnt/lustre[MDT:0] lustre-OST0000_UUID 118152 392 117760 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 118151 391 117760 1% /mnt/lustre[OST:1] filesystem_summary: 198700 65854 132846 34% /mnt/lustre nlink before: 65638, created before: 65636 - unlinked 0 (time 1726116173 ; total 0 ; last 0) - unlinked 10000 (time 1726116218 ; total 45 ; last 45) - unlinked 20000 (time 1726116263 ; total 90 ; last 45) - unlinked 30000 (time 1726116307 ; total 134 ; last 44) - unlinked 40000 (time 1726116350 ; total 177 ; last 43) - unlinked 50000 (time 1726116393 ; total 220 ; last 43) - unlinked 60000 (time 1726116432 ; total 259 ; last 39) total: 65536 unlinks in 281 seconds: 233.224197 unlinks/second nlink between: 102 - unlinked 0 (time 1726116454 ; 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 2209536 15744 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 335145 801 334344 1% /mnt/lustre[MDT:0] lustre-OST0000_UUID 118152 392 117760 1% /mnt/lustre[OST:0] lustre-OST0001_UUID 118151 391 117760 1% /mnt/lustre[OST:1] filesystem_summary: 236321 801 235520 1% /mnt/lustre