== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 08:00:37 (1721217637)
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       118118         358      117760   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       118118         358      117760   1% /mnt/lustre[OST:1]

filesystem_summary:       235853         333      235520   1% /mnt/lustre

 - mkdir 8290 (time 1721217648.58 total 10.00 last 829.00)
 - mkdir 10000 (time 1721217650.61 total 12.03 last 842.29)
 - mkdir 17953 (time 1721217660.61 total 22.03 last 795.20)
 - mkdir 20000 (time 1721217663.22 total 24.64 last 785.88)
 - mkdir 27627 (time 1721217673.22 total 34.64 last 762.64)
 - mkdir 30000 (time 1721217676.43 total 37.85 last 739.12)
 - mkdir 36695 (time 1721217686.43 total 47.85 last 669.44)
 - mkdir 40000 (time 1721217691.19 total 52.62 last 693.31)
 - mkdir 46964 (time 1721217701.20 total 62.62 last 696.35)
 - mkdir 50000 (time 1721217705.26 total 66.68 last 746.68)
 - mkdir 57277 (time 1721217715.26 total 76.68 last 727.67)
 - mkdir 60000 (time 1721217718.82 total 80.24 last 765.91)
total: 65636 mkdir in 87.84 seconds: 747.22 ops/second
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      2210560      751488     1457024  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       198723       65854      132869  34% /mnt/lustre[MDT:0]
lustre-OST0000_UUID       118118         358      117760   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       118117         357      117760   1% /mnt/lustre[OST:1]

filesystem_summary:       198723       65854      132869  34% /mnt/lustre

nlink before: 65638, created before: 65636
 - unlinked 0 (time 1721217727 ; total 0 ; last 0)
 - unlinked 10000 (time 1721217749 ; total 22 ; last 22)
 - unlinked 20000 (time 1721217770 ; total 43 ; last 21)
 - unlinked 30000 (time 1721217791 ; total 64 ; last 21)
 - unlinked 40000 (time 1721217812 ; total 85 ; last 21)
 - unlinked 50000 (time 1721217831 ; total 104 ; last 19)
 - unlinked 60000 (time 1721217850 ; total 123 ; last 19)
total: 65536 unlinks in 133 seconds: 492.751892 unlinks/second
nlink between: 102
 - unlinked 0 (time 1721217861 ; 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      2210176       15744     2192384   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       336446         799      335647   1% /mnt/lustre[MDT:0]
lustre-OST0000_UUID       118118         358      117760   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       118117         357      117760   1% /mnt/lustre[OST:1]

filesystem_summary:       236319         799      235520   1% /mnt/lustre