== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 17:55:30 (1789077330)
old_iused=        450
 - open/close 659 (time 1789077346.48 total 10.01 last 65.83)
total: 1000 open/close in 15.42 seconds: 64.84 ops/second
suppose current old_iused=1450
create_count=32, max_create_count=20000
 - unlinked 0 (time 1789077360 ; total 0 ; last 0)
total: 1000 unlinks in 9 seconds: 111.111115 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 20 for ZFS MDS
        442 
waited 1 sec, old Iused 1450, new Iused         442