== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 01:01:24 (1788584484)
old_iused=446
 - open/close 714 (time 1788584499.56 total 10.00 last 71.40)
total: 1000 open/close in 14.29 seconds: 69.99 ops/second
suppose current old_iused=1446
create_count=32, max_create_count=20000
 - unlinked 0 (time 1788584512 ; 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
438 
waited 1 sec, old Iused 1446, new Iused 438