== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 07:07:31 (1726830451) UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 7748 1279940 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 7232 1280456 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 546896 3060124 16% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 526584 3080436 15% /mnt/lustre[OST:1] filesystem_summary: 7666232 1073480 6140560 15% /mnt/lustre UUID Inodes IUsed IFree IUse% Mounted on lustre-MDT0000_UUID 1024000 4092 1019908 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1024000 1996 1022004 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 262144 2825 259319 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 262144 2693 259451 2% /mnt/lustre[OST:1] filesystem_summary: 524858 6088 518770 2% /mnt/lustre - mkdir 4114 (time 1726830462.28 total 10.00 last 411.33) - mkdir 8319 (time 1726830472.28 total 20.00 last 420.46) - mkdir 10000 (time 1726830477.59 total 25.32 last 316.17) - mkdir 12673 (time 1726830487.60 total 35.33 last 267.10) - mkdir 15419 (time 1726830497.60 total 45.33 last 274.53) - mkdir 18428 (time 1726830507.61 total 55.33 last 300.85) - mkdir 20000 (time 1726830513.13 total 60.86 last 284.59) - mkdir 22762 (time 1726830523.13 total 70.86 last 276.13) - mkdir 25496 (time 1726830533.13 total 80.86 last 273.36) - mkdir 28342 (time 1726830543.13 total 90.86 last 284.58) - mkdir 30000 (time 1726830548.14 total 95.87 last 331.12) - mkdir 34286 (time 1726830558.14 total 105.87 last 428.53) - mkdir 37748 (time 1726830568.15 total 115.87 last 346.06) - mkdir 40000 (time 1726830574.05 total 121.77 last 381.62) - mkdir 44243 (time 1726830584.05 total 131.77 last 424.27) - mkdir 49983 (time 1726830594.05 total 141.78 last 573.94) - mkdir 55040 (time 1726830604.05 total 151.78 last 505.65) - mkdir 59099 (time 1726830614.05 total 161.78 last 405.89) - mkdir 62893 (time 1726830624.05 total 171.78 last 379.32) total: 65636 mkdir in 178.21 seconds: 368.30 ops/second UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 276328 1011360 22% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 7232 1280456 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 546896 3060124 16% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 526584 3080436 15% /mnt/lustre[OST:1] filesystem_summary: 7666232 1073480 6140560 15% /mnt/lustre UUID Inodes IUsed IFree IUse% Mounted on lustre-MDT0000_UUID 1024000 69728 954272 7% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1024000 1996 1022004 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 262144 2825 259319 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 262144 2692 259452 2% /mnt/lustre[OST:1] filesystem_summary: 590495 71724 518771 13% /mnt/lustre nlink before: 1, created before: 65636 - unlinked 0 (time 1726830632 ; total 0 ; last 0) - unlinked 10000 (time 1726830693 ; total 61 ; last 61) - unlinked 20000 (time 1726830754 ; total 122 ; last 61) - unlinked 30000 (time 1726830828 ; total 196 ; last 74) - unlinked 40000 (time 1726830899 ; total 267 ; last 71) - unlinked 50000 (time 1726830969 ; total 337 ; last 70) - unlinked 60000 (time 1726831038 ; total 406 ; last 69) total: 65536 unlinks in 444 seconds: 147.603607 unlinks/second nlink between: 1 - unlinked 0 (time 1726831077 ; total 0 ; last 0) total: 100 unlinks in 1 seconds: 100.000000 unlinks/second nlink after: 1 UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 1414116 13784 1273904 2% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1414116 7232 1280456 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 3833116 546896 3060124 16% /mnt/lustre[OST:0] lustre-OST0001_UUID 3833116 526584 3080436 15% /mnt/lustre[OST:1] filesystem_summary: 7666232 1073480 6140560 15% /mnt/lustre UUID Inodes IUsed IFree IUse% Mounted on lustre-MDT0000_UUID 1024000 4092 1019908 1% /mnt/lustre[MDT:0] lustre-MDT0001_UUID 1024000 1996 1022004 1% /mnt/lustre[MDT:1] lustre-OST0000_UUID 262144 2825 259319 2% /mnt/lustre[OST:0] lustre-OST0001_UUID 262144 2692 259452 2% /mnt/lustre[OST:1] filesystem_summary: 524859 6088 518771 2% /mnt/lustre