== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 17:58:18 (1787608698)
old_iused=1002
 - open/close 592 (time 1787608715.75 total 10.03 last 59.02)
total: 1000 open/close in 17.87 seconds: 55.95 ops/second
suppose current old_iused=2002
create_count=32, max_create_count=20000
 - unlinked 0 (time 1787608731 ; 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
994 
waited 1 sec, old Iused 2002, new Iused 994