== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 08:27:52 (1721219272)
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116        7376     1280312   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7180     1280508   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       30472     3576548   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       17176     3589844   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       47648     7166392   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000        2027     1021973   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        1585     1022415   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        1409      260735   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        1233      260911   1% /mnt/lustre[OST:1]

filesystem_summary:       525258        3612      521646   1% /mnt/lustre

 - mkdir 6273 (time 1721219283.88 total 10.00 last 627.23)
 - mkdir 10000 (time 1721219291.22 total 17.34 last 508.13)
 - mkdir 15285 (time 1721219301.22 total 27.34 last 528.48)
 - mkdir 20000 (time 1721219309.93 total 36.05 last 541.34)
 - mkdir 25142 (time 1721219319.93 total 46.05 last 514.19)
 - mkdir 30000 (time 1721219328.90 total 55.02 last 541.36)
 - mkdir 35966 (time 1721219338.90 total 65.02 last 596.57)
 - mkdir 40000 (time 1721219345.92 total 72.04 last 574.93)
 - mkdir 45243 (time 1721219355.92 total 82.04 last 524.25)
 - mkdir 50000 (time 1721219365.34 total 91.45 last 505.15)
 - mkdir 55095 (time 1721219375.34 total 101.46 last 509.45)
 - mkdir 60000 (time 1721219384.90 total 111.01 last 513.27)
 - mkdir 65186 (time 1721219394.90 total 121.01 last 518.58)
total: 65636 mkdir in 121.87 seconds: 538.56 ops/second
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116      273704     1013984  22% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7180     1280508   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       30472     3576548   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       17176     3589844   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       47648     7166392   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000       67663      956337   7% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        1585     1022415   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        1408      260736   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        1233      260911   1% /mnt/lustre[OST:1]

filesystem_summary:       590895       69248      521647  12% /mnt/lustre

nlink before: 1, created before: 65636
 - unlinked 0 (time 1721219397 ; total 0 ; last 0)
 - unlinked 10000 (time 1721219434 ; total 37 ; last 37)
 - unlinked 20000 (time 1721219468 ; total 71 ; last 34)
 - unlinked 30000 (time 1721219503 ; total 106 ; last 35)
 - unlinked 40000 (time 1721219541 ; total 144 ; last 38)
 - unlinked 50000 (time 1721219579 ; total 182 ; last 38)
 - unlinked 60000 (time 1721219613 ; total 216 ; last 34)
total: 65536 unlinks in 236 seconds: 277.694916 unlinks/second
nlink between: 1
 - unlinked 0 (time 1721219633 ; 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       11160     1276528   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7180     1280508   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       30472     3576548   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       17176     3589844   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       47648     7166392   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000        2027     1021973   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        1585     1022415   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        1408      260736   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        1233      260911   1% /mnt/lustre[OST:1]

filesystem_summary:       525259        3612      521647   1% /mnt/lustre