== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 21:49:11 (1749606551)
old_iused=443
total: 1000 open/close in 1.68 seconds: 594.97 ops/second
suppose current old_iused=1443
create_count=32, max_create_count=20000
 - unlinked 0 (time 1749606556 ; total 0 ; last 0)
total: 1000 unlinks in 1 seconds: 1000.000000 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 10 for ZFS MDS
435 
waited 1 sec, old Iused 1443, new Iused 435