== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 09:26:04 (1713533164)
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116        7696     1279992   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7208     1280480   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       21616     3585404   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       22768     3584252   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       44384     7169656   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000        4067     1019933   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        2007     1021993   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        2781      259363   2% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        2671      259473   2% /mnt/lustre[OST:1]

filesystem_summary:       524910        6074      518836   2% /mnt/lustre

 - mkdir 8364 (time 1713533175.48 total 10.00 last 836.35)
 - mkdir 16765 (time 1713533185.48 total 20.00 last 840.02)
 - mkdir 20000 (time 1713533189.20 total 23.72 last 870.70)
 - mkdir 28325 (time 1713533199.20 total 33.72 last 832.47)
 - mkdir 30000 (time 1713533201.34 total 35.86 last 781.23)
 - mkdir 38219 (time 1713533211.34 total 45.86 last 821.89)
 - mkdir 40000 (time 1713533213.43 total 47.95 last 851.47)
 - mkdir 48243 (time 1713533223.43 total 57.95 last 824.29)
 - mkdir 50000 (time 1713533225.74 total 60.26 last 762.19)
 - mkdir 57702 (time 1713533235.74 total 70.26 last 770.18)
 - mkdir 60000 (time 1713533238.38 total 72.90 last 870.26)
total: 65636 mkdir in 79.32 seconds: 827.50 ops/second
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116        7696     1279992   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116      275800     1011888  22% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       21616     3585404   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       22768     3584252   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       44384     7169656   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000        4067     1019933   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000       67643      956357   7% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        2780      259364   2% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        2671      259473   2% /mnt/lustre[OST:1]

filesystem_summary:       590547       71710      518837  13% /mnt/lustre

nlink before: 1, created before: 65636
 - unlinked 0 (time 1713533246 ; total 0 ; last 0)
 - unlinked 10000 (time 1713533266 ; total 20 ; last 20)
 - unlinked 20000 (time 1713533300 ; total 54 ; last 34)
 - unlinked 30000 (time 1713533336 ; total 90 ; last 36)
 - unlinked 40000 (time 1713533372 ; total 126 ; last 36)
 - unlinked 50000 (time 1713533395 ; total 149 ; last 23)
 - unlinked 60000 (time 1713533425 ; total 179 ; last 30)
total: 65536 unlinks in 197 seconds: 332.670044 unlinks/second
nlink between: 1
 - unlinked 0 (time 1713533443 ; total 0 ; last 0)
total: 100 unlinks in 1 seconds: 100.000000 unlinks/second
nlink after: 1
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116        7696     1279992   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116       13256     1274432   2% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       21616     3585404   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       22768     3584252   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       44384     7169656   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000        4067     1019933   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        2007     1021993   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        2780      259364   2% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        2671      259473   2% /mnt/lustre[OST:1]

filesystem_summary:       524911        6074      518837   2% /mnt/lustre