== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 23:38:26 (1788838706)
old_iused=447
 - open/close 523 (time 1788838722.92 total 10.01 last 52.26)
 - open/close 974 (time 1788838732.92 total 20.01 last 45.09)
total: 1000 open/close in 20.47 seconds: 48.84 ops/second
suppose current old_iused=1447
create_count=32, max_create_count=20000
 - unlinked 0 (time 1788838743 ; 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
439 
waited 1 sec, old Iused 1447, new Iused 439