== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 04:10:17 (1784189417)
old_iused=        447
 - open/close 746 (time 1784189431.89 total 10.02 last 74.48)
total: 1000 open/close in 13.84 seconds: 72.28 ops/second
suppose current old_iused=1447
create_count=32, max_create_count=20000
 - unlinked 0 (time 1784189443 ; 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
        439 
waited 1 sec, old Iused 1447, new Iused         439