== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 04:38:57 (1773736737)
old_iused=        445 
 - open/close 537 (time 1773736755.09 total 10.01 last 53.64)
total: 1000 open/close in 19.27 seconds: 51.89 ops/second
suppose current old_iused=1445
create_count=32, max_create_count=20000
 - unlinked 0 (time 1773736775 ; total 0 ; last 0)
total: 1000 unlinks in 10 seconds: 100.000000 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 20 for ZFS MDS
        437  
waited 1 sec, old Iused 1445, new Iused         437