== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 16:40:40 (1776199240)
old_iused=420
 - open/close 587 (time 1776199256.31 total 10.01 last 58.65)
total: 1000 open/close in 16.64 seconds: 60.08 ops/second
suppose current old_iused=1420
create_count=32, max_create_count=20000
 - unlinked 0 (time 1776199271 ; 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 10 for ZFS MDS
412 
waited 1 sec, old Iused 1420, new Iused 412