== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 11:47:09 (1737132429)
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116        7388     1280300   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7228     1280460   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       22348     3584672   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       19200     3587820   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       41548     7172492   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000        2015     1021985   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        1553     1022447   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        1384      260760   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        1276      260868   1% /mnt/lustre[OST:1]

filesystem_summary:       525196        3568      521628   1% /mnt/lustre

 - mkdir 10000 (time 1737132439.36 total 9.01 last 1110.13)
 - mkdir 17720 (time 1737132449.36 total 19.01 last 772.00)
 - mkdir 20000 (time 1737132452.41 total 22.06 last 746.45)
 - mkdir 29709 (time 1737132462.41 total 32.06 last 970.87)
 - mkdir 39578 (time 1737132472.41 total 42.06 last 986.83)
 - mkdir 50000 (time 1737132481.99 total 51.64 last 1088.17)
 - mkdir 60000 (time 1737132491.50 total 61.15 last 1052.04)
total: 65636 mkdir in 66.54 seconds: 986.36 ops/second
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116        7388     1280300   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116      275792     1011896  22% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       22348     3584672   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       19200     3587820   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       41548     7172492   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000        2015     1021985   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000       67189      956811   7% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        1383      260761   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        1276      260868   1% /mnt/lustre[OST:1]

filesystem_summary:       590833       69204      521629  12% /mnt/lustre

nlink before: 1, created before: 65636
 - unlinked 0 (time 1737132498 ; total 0 ; last 0)
 - unlinked 10000 (time 1737132519 ; total 21 ; last 21)
 - unlinked 20000 (time 1737132545 ; total 47 ; last 26)
 - unlinked 30000 (time 1737132567 ; total 69 ; last 22)
 - unlinked 40000 (time 1737132592 ; total 94 ; last 25)
 - unlinked 50000 (time 1737132634 ; total 136 ; last 42)
 - unlinked 60000 (time 1737132696 ; total 198 ; last 62)
total: 65536 unlinks in 230 seconds: 284.939117 unlinks/second
nlink between: 1
 - unlinked 0 (time 1737132729 ; 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        7388     1280300   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116       13248     1274440   2% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       22348     3584672   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       19200     3587820   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       41548     7172492   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000        2015     1021985   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        1553     1022447   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        1383      260761   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        1276      260868   1% /mnt/lustre[OST:1]

filesystem_summary:       525197        3568      521629   1% /mnt/lustre