== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 04:50:10 (1726303810) UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210304 3200 2205056 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 499437 333 499104 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 2708 (time 1726303821.90 total 10.00 last 270.77) - mkdir 5544 (time 1726303831.90 total 20.00 last 283.56) - mkdir 8344 (time 1726303841.90 total 30.00 last 279.98) - mkdir 10000 (time 1726303847.18 total 35.29 last 313.24) - mkdir 12733 (time 1726303857.19 total 45.29 last 273.25) - mkdir 15785 (time 1726303867.19 total 55.29 last 305.12) - mkdir 18888 (time 1726303877.19 total 65.29 last 310.29) - mkdir 20000 (time 1726303880.39 total 68.49 last 347.49) - mkdir 23296 (time 1726303890.39 total 78.50 last 329.56) - mkdir 27774 (time 1726303900.39 total 88.50 last 447.75) - mkdir 30000 (time 1726303905.37 total 93.47 last 447.35) - mkdir 34107 (time 1726303915.37 total 103.47 last 410.67) - mkdir 38099 (time 1726303925.51 total 113.62 last 393.48) - mkdir 40000 (time 1726303929.79 total 117.89 last 444.65) - mkdir 44419 (time 1726303939.79 total 127.90 last 441.86) - mkdir 48004 (time 1726303949.89 total 138.00 last 354.84) - mkdir 50000 (time 1726303955.46 total 143.57 last 358.28) - mkdir 53190 (time 1726303965.47 total 153.57 last 318.86) - mkdir 56479 (time 1726303975.47 total 163.58 last 328.85) - mkdir 60000 (time 1726303984.46 total 172.57 last 391.63) - mkdir 64813 (time 1726303994.46 total 182.57 last 481.20) total: 65636 mkdir in 184.35 seconds: 356.04 ops/second UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 2210048 751488 1456512 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 198687 65865 132822 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: 198687 65865 132822 34% /mnt/lustre nlink before: 65638, created before: 65636 - unlinked 0 (time 1726303997 ; total 0 ; last 0) - unlinked 10000 (time 1726304034 ; total 37 ; last 37) - unlinked 20000 (time 1726304074 ; total 77 ; last 40) - unlinked 30000 (time 1726304117 ; total 120 ; last 43) - unlinked 40000 (time 1726304161 ; total 164 ; last 44) - unlinked 50000 (time 1726304197 ; total 200 ; last 36) - unlinked 60000 (time 1726304236 ; total 239 ; last 39) total: 65536 unlinks in 261 seconds: 251.095779 unlinks/second nlink between: 102 - unlinked 0 (time 1726304259 ; 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 2209280 15744 2191488 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 336309 799 335510 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: 236319 799 235520 1% /mnt/lustre