== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 10:42:42 (1746628962)
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116        7804     1279884   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7248     1280440   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       21320     3585700   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       21748     3585272   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       43068     7170972   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000        4045     1019955   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        2003     1021997   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        2757      259387   2% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        2639      259505   2% /mnt/lustre[OST:1]

filesystem_summary:       524940        6048      518892   2% /mnt/lustre

 - mkdir 9096 (time 1746628973.55 total 10.00 last 909.54)
 - mkdir 18560 (time 1746628983.55 total 20.00 last 946.39)
 - mkdir 28411 (time 1746628993.55 total 30.00 last 985.03)
 - mkdir 38183 (time 1746629003.55 total 40.00 last 977.13)
 - mkdir 47012 (time 1746629013.55 total 50.00 last 882.88)
 - mkdir 50000 (time 1746629017.74 total 54.20 last 712.66)
 - mkdir 55511 (time 1746629027.74 total 64.20 last 551.06)
 - mkdir 60000 (time 1746629036.74 total 73.19 last 499.15)
 - mkdir 64951 (time 1746629046.74 total 83.19 last 495.01)
total: 65636 mkdir in 84.55 seconds: 776.27 ops/second
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116      276420     1011268  22% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7248     1280440   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       21320     3585700   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       21748     3585272   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       43068     7170972   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000       69681      954319   7% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        2003     1021997   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        2756      259388   2% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        2638      259506   2% /mnt/lustre[OST:1]

filesystem_summary:       590578       71684      518894  13% /mnt/lustre

nlink before: 1, created before: 65636
 - unlinked 0 (time 1746629049 ; total 0 ; last 0)
 - unlinked 10000 (time 1746629083 ; total 34 ; last 34)
 - unlinked 20000 (time 1746629108 ; total 59 ; last 25)
 - unlinked 30000 (time 1746629134 ; total 85 ; last 26)
 - unlinked 40000 (time 1746629155 ; total 106 ; last 21)
 - unlinked 50000 (time 1746629175 ; total 126 ; last 20)
 - unlinked 60000 (time 1746629193 ; total 144 ; last 18)
total: 65536 unlinks in 154 seconds: 425.558441 unlinks/second
nlink between: 1
 - unlinked 0 (time 1746629203 ; 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       13876     1273812   2% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7248     1280440   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       21320     3585700   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       21748     3585272   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       43068     7170972   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000        4045     1019955   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        2003     1021997   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        2756      259388   2% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        2638      259506   2% /mnt/lustre[OST:1]

filesystem_summary:       524942        6048      518894   2% /mnt/lustre