== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 00:08:23 (1787112503)
old_iused=        446
 - open/close 674 (time 1787112518.37 total 10.02 last 67.26)
total: 1000 open/close in 14.85 seconds: 67.35 ops/second
suppose current old_iused=1446
create_count=32, max_create_count=20000
 - unlinked 0 (time 1787112529 ; 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