== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 12:37:15 (1721407035)
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 8381 (time 1721407046.45 total 10.00 last 838.02)
 - mkdir 16389 (time 1721407056.45 total 20.00 last 800.75)
 - mkdir 20000 (time 1721407061.22 total 24.77 last 757.13)
 - mkdir 27424 (time 1721407071.22 total 34.77 last 742.35)
 - mkdir 30000 (time 1721407074.79 total 38.34 last 722.00)
 - mkdir 37252 (time 1721407084.87 total 48.42 last 719.68)
 - mkdir 40000 (time 1721407088.69 total 52.24 last 718.67)
 - mkdir 46891 (time 1721407098.69 total 62.24 last 689.09)
 - mkdir 50000 (time 1721407103.31 total 66.86 last 673.29)
 - mkdir 56864 (time 1721407113.36 total 76.90 last 683.33)
 - mkdir 60000 (time 1721407117.80 total 81.34 last 706.01)
total: 65636 mkdir in 89.73 seconds: 731.48 ops/second
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      2210048      751360     1456640  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       198686       65852      132834  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:       198686       65852      132834  34% /mnt/lustre

nlink before: 65638, created before: 65636
 - unlinked 0 (time 1721407127 ; total 0 ; last 0)
 - unlinked 10000 (time 1721407148 ; total 21 ; last 21)
 - unlinked 20000 (time 1721407169 ; total 42 ; last 21)
 - unlinked 30000 (time 1721407194 ; total 67 ; last 25)
 - unlinked 40000 (time 1721407218 ; total 91 ; last 24)
 - unlinked 50000 (time 1721407239 ; total 112 ; last 21)
 - unlinked 60000 (time 1721407262 ; total 135 ; last 23)
total: 65536 unlinks in 146 seconds: 448.876709 unlinks/second
nlink between: 102
 - unlinked 0 (time 1721407274 ; 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      2209792       16000     2191744   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       334622         814      333808   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:       236334         814      235520   1% /mnt/lustre