== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 01:56:22 (1789019782)
old_iused=446
 - open/close 751 (time 1789019797.85 total 10.01 last 75.02)
total: 1000 open/close in 13.69 seconds: 73.07 ops/second
suppose current old_iused=1446
create_count=32, max_create_count=20000
 - unlinked 0 (time 1789019809 ; 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 20 for ZFS MDS
438 
waited 1 sec, old Iused 1446, new Iused 438