== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 17:50:52 (1776203452)
old_iused=421
 - open/close 676 (time 1776203467.13 total 10.00 last 67.57)
total: 1000 open/close in 15.00 seconds: 66.66 ops/second
suppose current old_iused=1421
create_count=32, max_create_count=20000
 - unlinked 0 (time 1776203479 ; 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
413 
waited 1 sec, old Iused 1421, new Iused 413