== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 18:06:11 (1786313171)
old_iused=        449
 - open/close 792 (time 1786313186.79 total 10.01 last 79.12)
total: 1000 open/close in 13.06 seconds: 76.58 ops/second
suppose current old_iused=1449
create_count=32, max_create_count=20000
 - unlinked 0 (time 1786313197 ; 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
        441 
waited 1 sec, old Iused 1449, new Iused         441