== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 04:57:36 (1787734656)
old_iused=1003
 - open/close 841 (time 1787734672.05 total 10.01 last 84.02)
total: 1000 open/close in 11.82 seconds: 84.60 ops/second
suppose current old_iused=2003
create_count=32, max_create_count=20000
 - unlinked 0 (time 1787734681 ; total 0 ; last 0)
total: 1000 unlinks in 8 seconds: 125.000000 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