== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 14:40:11 (1715452811)
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 7056 (time 1715452822.49 total 10.00 last 705.55)
 - mkdir 10000 (time 1715452825.65 total 13.17 last 929.33)
 - mkdir 18634 (time 1715452835.65 total 23.17 last 863.40)
 - mkdir 26879 (time 1715452845.65 total 33.17 last 824.37)
 - mkdir 30000 (time 1715452849.38 total 36.90 last 836.87)
 - mkdir 37970 (time 1715452859.38 total 46.90 last 796.98)
 - mkdir 40000 (time 1715452862.27 total 49.79 last 703.37)
 - mkdir 46866 (time 1715452872.27 total 59.79 last 686.54)
 - mkdir 50000 (time 1715452876.72 total 64.23 last 705.21)
 - mkdir 56958 (time 1715452886.72 total 74.23 last 695.76)
 - mkdir 60000 (time 1715452891.18 total 78.69 last 681.83)
total: 65636 mkdir in 86.85 seconds: 755.77 ops/second
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      2210048      751488     1456512  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       198689       65867      132822  34% /mnt/lustre[MDT:0]
lustre-OST0000_UUID       118117         357      117760   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       118118         358      117760   1% /mnt/lustre[OST:1]

filesystem_summary:       198689       65867      132822  34% /mnt/lustre

nlink before: 65638, created before: 65636
 - unlinked 0 (time 1715452900 ; total 0 ; last 0)
 - unlinked 10000 (time 1715452927 ; total 27 ; last 27)
 - unlinked 20000 (time 1715452962 ; total 62 ; last 35)
 - unlinked 30000 (time 1715453006 ; total 106 ; last 44)
 - unlinked 40000 (time 1715453049 ; total 149 ; last 43)
 - unlinked 50000 (time 1715453093 ; total 193 ; last 44)
 - unlinked 60000 (time 1715453135 ; total 235 ; last 42)
total: 65536 unlinks in 259 seconds: 253.034744 unlinks/second
nlink between: 102
 - unlinked 0 (time 1715453159 ; 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      2209792       15488     2192256   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       336271         778      335493   1% /mnt/lustre[MDT:0]
lustre-OST0000_UUID       118117         357      117760   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       118118         358      117760   1% /mnt/lustre[OST:1]

filesystem_summary:       236298         778      235520   1% /mnt/lustre