== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 22:56:29 (1761101789)
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 7131 (time 1761101801.18 total 10.00 last 713.09)
 - mkdir 10000 (time 1761101805.14 total 13.96 last 724.40)
 - mkdir 16232 (time 1761101815.14 total 23.96 last 623.13)
 - mkdir 20000 (time 1761101821.23 total 30.06 last 618.18)
 - mkdir 25632 (time 1761101831.24 total 40.06 last 563.12)
 - mkdir 30000 (time 1761101838.64 total 47.46 last 590.00)
 - mkdir 35363 (time 1761101848.64 total 57.46 last 536.29)
 - mkdir 40000 (time 1761101857.41 total 66.24 last 528.56)
 - mkdir 44004 (time 1761101867.41 total 76.24 last 400.36)
 - mkdir 48031 (time 1761101877.49 total 86.31 last 399.82)
 - mkdir 50000 (time 1761101881.33 total 90.15 last 512.24)
 - mkdir 54699 (time 1761101891.33 total 100.15 last 469.87)
 - mkdir 59884 (time 1761101901.50 total 110.32 last 509.78)
 - mkdir 64528 (time 1761101911.50 total 120.32 last 464.39)
total: 65636 mkdir in 122.72 seconds: 534.84 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       118151         391      117760   1%  /mnt/lustre[OST:0]
lustre-OST0001_UUID       118152         392      117760   1%  /mnt/lustre[OST:1]

filesystem_summary:       198704       65951      132753  34%  /mnt/lustre

nlink before: 65638, created before: 65636
 - unlinked 0 (time 1761101915 ; total 0 ; last 0)
 - unlinked 10000 (time 1761101945 ; total 30 ; last 30)
 - unlinked 20000 (time 1761101975 ; total 60 ; last 30)
 - unlinked 30000 (time 1761102019 ; total 104 ; last 44)
 - unlinked 40000 (time 1761102061 ; total 146 ; last 42)
 - unlinked 50000 (time 1761102103 ; total 188 ; last 42)
 - unlinked 60000 (time 1761102147 ; total 232 ; last 44)
total: 65536 unlinks in 257 seconds: 255.003891 unlinks/second
nlink between: 102
 - unlinked 0 (time 1761102174 ; total 0 ; last 0)
total: 100 unlinks in 0 seconds: inf 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       408852         416      408436   1%  /mnt/lustre[MDT:0]
lustre-OST0000_UUID       118151         391      117760   1%  /mnt/lustre[OST:0]
lustre-OST0001_UUID       118152         392      117760   1%  /mnt/lustre[OST:1]

filesystem_summary:       235936         416      235520   1%  /mnt/lustre