== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 03:43:04 (1788594184)
old_iused=1040
 - open/close 574 (time 1788594200.04 total 10.00 last 57.38)
total: 1000 open/close in 17.16 seconds: 58.26 ops/second
suppose current old_iused=2040
create_count=32, max_create_count=20000
 - unlinked 0 (time 1788594216 ; total 0 ; last 0)
total: 1000 unlinks in 10 seconds: 100.000000 unlinks/second
sleep 5 for ZFS MDS
sleep 5 for ZFS OST
Waiting for MDT destroys to complete
sleep 20 for ZFS MDS
1032 
waited 1 sec, old Iused 2040, new Iused 1032