== sanity test 51b: exceed 64k subdirectory nlink limit on create, verify unlink ========================================================== 12:44:03 (1721407443)
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116        7368     1280320   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7152     1280536   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       30492     3576528   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       17156     3589864   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       47648     7166392   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000        2006     1021994   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        1528     1022472   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        1382      260762   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        1220      260924   1% /mnt/lustre[OST:1]

filesystem_summary:       525220        3534      521686   1% /mnt/lustre

 - mkdir 10000 (time 1721407453.79 total 9.07 last 1102.31)
 - mkdir 20000 (time 1721407462.91 total 18.19 last 1096.11)
 - mkdir 30000 (time 1721407471.77 total 27.05 last 1129.19)
 - mkdir 40000 (time 1721407479.57 total 34.85 last 1281.41)
 - mkdir 50000 (time 1721407488.19 total 43.48 last 1160.03)
 - mkdir 60000 (time 1721407497.34 total 52.62 last 1093.02)
total: 65636 mkdir in 58.22 seconds: 1127.37 ops/second
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID      1414116      273764     1013924  22% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7152     1280536   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       30492     3576528   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       17156     3589864   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       47648     7166392   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000       67642      956358   7% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        1528     1022472   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        1381      260763   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        1220      260924   1% /mnt/lustre[OST:1]

filesystem_summary:       590857       69170      521687  12% /mnt/lustre

nlink before: 1, created before: 65636
 - unlinked 0 (time 1721407504 ; total 0 ; last 0)
 - unlinked 10000 (time 1721407522 ; total 18 ; last 18)
 - unlinked 20000 (time 1721407539 ; total 35 ; last 17)
 - unlinked 30000 (time 1721407557 ; total 53 ; last 18)
 - unlinked 40000 (time 1721407574 ; total 70 ; last 17)
 - unlinked 50000 (time 1721407592 ; total 88 ; last 18)
 - unlinked 60000 (time 1721407610 ; total 106 ; last 18)
total: 65536 unlinks in 115 seconds: 569.878235 unlinks/second
nlink between: 1
 - unlinked 0 (time 1721407619 ; 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       11220     1276468   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1414116        7152     1280536   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID      3833116       30492     3576528   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID      3833116       17156     3589864   1% /mnt/lustre[OST:1]

filesystem_summary:      7666232       47648     7166392   1% /mnt/lustre

UUID                      Inodes       IUsed       IFree IUse% Mounted on
lustre-MDT0000_UUID      1024000        2006     1021994   1% /mnt/lustre[MDT:0]
lustre-MDT0001_UUID      1024000        1528     1022472   1% /mnt/lustre[MDT:1]
lustre-OST0000_UUID       262144        1381      260763   1% /mnt/lustre[OST:0]
lustre-OST0001_UUID       262144        1220      260924   1% /mnt/lustre[OST:1]

filesystem_summary:       525221        3534      521687   1% /mnt/lustre