== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 09:53:45 (1761141225)
UUID                   1K-blocks        Used   Available Use%  Mounted on
lustre-MDT0000_UUID      2210688        3200     2205440   1%  /mnt/lustre[MDT:0]
lustre-OST0000_UUID      3771392        3072     3766272   1%  /mnt/lustre[OST:0]
lustre-OST0001_UUID      3771392        3072     3766272   1%  /mnt/lustre[OST:1]

filesystem_summary:      7542784        6144     7532544   1%  /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse%  Mounted on
lustre-MDT0000_UUID       499523         333      499190   1%  /mnt/lustre[MDT:0]
lustre-OST0000_UUID       118152         392      117760   1%  /mnt/lustre[OST:0]
lustre-OST0001_UUID       118152         392      117760   1%  /mnt/lustre[OST:1]

filesystem_summary:       235853         333      235520   1%  /mnt/lustre

 - mkdir 4894 (time 1761141237.04 total 10.00 last 489.38)
 - mkdir 9560 (time 1761141247.05 total 20.01 last 466.01)
 - mkdir 15263 (time 1761141257.05 total 30.01 last 570.29)
 - mkdir 20000 (time 1761141264.43 total 37.40 last 641.66)
 - mkdir 26295 (time 1761141274.44 total 47.40 last 629.43)
 - mkdir 30000 (time 1761141280.81 total 53.77 last 580.97)
 - mkdir 36342 (time 1761141290.81 total 63.77 last 634.20)
 - mkdir 40000 (time 1761141297.45 total 70.41 last 551.05)
 - mkdir 45210 (time 1761141307.57 total 80.53 last 514.84)
 - mkdir 50000 (time 1761141315.17 total 88.13 last 630.03)
 - mkdir 55833 (time 1761141325.17 total 98.14 last 583.22)
 - mkdir 60000 (time 1761141332.26 total 105.22 last 588.39)
 - mkdir 65134 (time 1761141342.26 total 115.22 last 513.39)
total: 65636 mkdir in 116.15 seconds: 565.10 ops/second
UUID                   1K-blocks        Used   Available Use%  Mounted on
lustre-MDT0000_UUID      2210304      752512     1455744  35%  /mnt/lustre[MDT:0]
lustre-OST0000_UUID      3771392        3072     3766272   1%  /mnt/lustre[OST:0]
lustre-OST0001_UUID      3771392        3072     3766272   1%  /mnt/lustre[OST:1]

filesystem_summary:      7542784        6144     7532544   1%  /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse%  Mounted on
lustre-MDT0000_UUID       198704       65951      132753  34%  /mnt/lustre[MDT:0]
lustre-OST0000_UUID       118152         392      117760   1%  /mnt/lustre[OST:0]
lustre-OST0001_UUID       118151         391      117760   1%  /mnt/lustre[OST:1]

filesystem_summary:       198704       65951      132753  34%  /mnt/lustre

nlink before: 65638, created before: 65636
 - unlinked 0 (time 1761141345 ; total 0 ; last 0)
 - unlinked 10000 (time 1761141388 ; total 43 ; last 43)
 - unlinked 20000 (time 1761141424 ; total 79 ; last 36)
 - unlinked 30000 (time 1761141449 ; total 104 ; last 25)
 - unlinked 40000 (time 1761141473 ; total 128 ; last 24)
 - unlinked 50000 (time 1761141496 ; total 151 ; last 23)
 - unlinked 60000 (time 1761141518 ; total 173 ; last 22)
total: 65536 unlinks in 188 seconds: 348.595734 unlinks/second
nlink between: 102
 - unlinked 0 (time 1761141533 ; total 0 ; last 0)
total: 100 unlinks in 1 seconds: 100.000000 unlinks/second
nlink after: 2
UUID                   1K-blocks        Used   Available Use%  Mounted on
lustre-MDT0000_UUID      2209920        7936     2199936   1%  /mnt/lustre[MDT:0]
lustre-OST0000_UUID      3771392        3072     3766272   1%  /mnt/lustre[OST:0]
lustre-OST0001_UUID      3771392        3072     3766272   1%  /mnt/lustre[OST:1]

filesystem_summary:      7542784        6144     7532544   1%  /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse%  Mounted on
lustre-MDT0000_UUID       410731         413      410318   1%  /mnt/lustre[MDT:0]
lustre-OST0000_UUID       118152         392      117760   1%  /mnt/lustre[OST:0]
lustre-OST0001_UUID       118151         391      117760   1%  /mnt/lustre[OST:1]

filesystem_summary:       235933         413      235520   1%  /mnt/lustre