== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 22:48:47 (1718851727)
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 6966 (time 1718851738.44 total 10.00 last 696.57)
 - mkdir 10000 (time 1718851742.55 total 14.11 last 738.69)
 - mkdir 17246 (time 1718851752.55 total 24.11 last 724.51)
 - mkdir 20000 (time 1718851756.63 total 28.19 last 674.69)
 - mkdir 26806 (time 1718851766.64 total 38.19 last 680.54)
 - mkdir 30000 (time 1718851771.71 total 43.26 last 629.82)
 - mkdir 36986 (time 1718851781.71 total 53.26 last 698.54)
 - mkdir 40000 (time 1718851785.99 total 57.55 last 704.00)
 - mkdir 46845 (time 1718851796.05 total 67.60 last 680.62)
 - mkdir 50000 (time 1718851800.59 total 72.14 last 694.74)
 - mkdir 56886 (time 1718851810.59 total 82.14 last 688.54)
 - mkdir 60000 (time 1718851815.16 total 86.72 last 681.11)
total: 65636 mkdir in 95.08 seconds: 690.32 ops/second
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      2210176      751488     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       118151         391      117760   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       118152         392      117760   1% /mnt/lustre[OST:1]

filesystem_summary:       198686       65852      132834  34% /mnt/lustre

nlink before: 65638, created before: 65636
 - unlinked 0 (time 1718851824 ; total 0 ; last 0)
 - unlinked 10000 (time 1718851846 ; total 22 ; last 22)
 - unlinked 20000 (time 1718851868 ; total 44 ; last 22)
 - unlinked 30000 (time 1718851890 ; total 66 ; last 22)
 - unlinked 40000 (time 1718851911 ; total 87 ; last 21)
 - unlinked 50000 (time 1718851932 ; total 108 ; last 21)
 - unlinked 60000 (time 1718851952 ; total 128 ; last 20)
total: 65536 unlinks in 140 seconds: 468.114288 unlinks/second
nlink between: 102
 - unlinked 0 (time 1718851964 ; 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      2209664       15744     2191872   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       335436         805      334631   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:       236325         805      235520   1% /mnt/lustre