== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 18:47:50 (1781822870)
old_iused=        447
 - open/close 364 (time 1781822888.67 total 10.01 last 36.35)
 - open/close 729 (time 1781822898.69 total 20.03 last 36.46)
total: 1000 open/close in 26.71 seconds: 37.44 ops/second
suppose current old_iused=1447
create_count=32, max_create_count=20000
 - unlinked 0 (time 1781822919 ; total 0 ; last 0)
total: 1000 unlinks in 14 seconds: 71.428574 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