== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 04:55:41 (1780995341)
old_iused=       1003
 - open/close 637 (time 1780995359.52 total 10.01 last 63.65)
total: 1000 open/close in 15.50 seconds: 64.50 ops/second
suppose current old_iused=2003
create_count=32, max_create_count=20000
 - unlinked 0 (time 1780995373 ; total 0 ; last 0)
total: 1000 unlinks in 11 seconds: 90.909088 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 20 for ZFS MDS
        995 
waited 1 sec, old Iused 2003, new Iused         995