== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 21:37:33 (1708828653)
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116        7704     1279984   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7176     1280512   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       26736     3580284   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       21732     3585288   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       48468     7165572   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000        4088     1019912   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        1977     1022023   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        2738      259406   2% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        2704      259440   2% /mnt/lustre[OST:1]

filesystem_summary:       524911        6065      518846   2% /mnt/lustre

 - mkdir 8098 (time 1708828664.14 total 10.00 last 809.78)
 - mkdir 10000 (time 1708828666.28 total 12.13 last 891.14)
 - mkdir 18582 (time 1708828676.28 total 22.13 last 858.17)
 - mkdir 26882 (time 1708828686.28 total 32.14 last 829.93)
 - mkdir 30000 (time 1708828690.04 total 35.90 last 829.41)
 - mkdir 38565 (time 1708828700.04 total 45.90 last 856.47)
 - mkdir 46659 (time 1708828710.04 total 55.90 last 809.39)
 - mkdir 50000 (time 1708828714.40 total 60.26 last 765.44)
 - mkdir 58652 (time 1708828724.41 total 70.26 last 865.13)
total: 65636 mkdir in 78.48 seconds: 836.31 ops/second
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116      276352     1011336  22% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7176     1280512   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       26736     3580284   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       21732     3585288   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       48468     7165572   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000       69724      954276   7% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        1977     1022023   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        2738      259406   2% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        2704      259440   2% /mnt/lustre[OST:1]

filesystem_summary:       590547       71701      518846  13% /mnt/lustre

nlink before: 1, created before: 65636
 - unlinked 0 (time 1708828734 ; total 0 ; last 0)
 - unlinked 10000 (time 1708828754 ; total 20 ; last 20)
 - unlinked 20000 (time 1708828775 ; total 41 ; last 21)
 - unlinked 30000 (time 1708828795 ; total 61 ; last 20)
 - unlinked 40000 (time 1708828815 ; total 81 ; last 20)
 - unlinked 50000 (time 1708828835 ; total 101 ; last 20)
 - unlinked 60000 (time 1708828855 ; total 121 ; last 20)
total: 65536 unlinks in 132 seconds: 496.484863 unlinks/second
nlink between: 1
 - unlinked 0 (time 1708828867 ; total 0 ; last 0)
total: 100 unlinks in 0 seconds: inf unlinks/second
nlink after: 1
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116       13808     1273880   2% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7176     1280512   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       26736     3580284   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       21732     3585288   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       48468     7165572   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000        4088     1019912   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        1977     1022023   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        2738      259406   2% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        2704      259440   2% /mnt/lustre[OST:1]

filesystem_summary:       524911        6065      518846   2% /mnt/lustre