== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 00:09:02 (1780978142)
old_iused=424
 - open/close 913 (time 1780978156.73 total 10.03 last 91.01)
total: 1000 open/close in 11.32 seconds: 88.36 ops/second
suppose current old_iused=1424
create_count=32, max_create_count=20000
 - unlinked 0 (time 1780978165 ; total 0 ; last 0)
total: 1000 unlinks in 6 seconds: 166.666672 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 10 for ZFS MDS
416 
waited 1 sec, old Iused 1424, new Iused 416