== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 11:34:01 (1787844841)
old_iused=        448
 - open/close 528 (time 1787844856.47 total 10.08 last 52.36)
 - open/close 999 (time 1787844866.48 total 20.09 last 47.06)
total: 1000 open/close in 20.09 seconds: 49.77 ops/second
suppose current old_iused=1448
create_count=32, max_create_count=20000
 - unlinked 0 (time 1787844875 ; 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
        440 
waited 1 sec, old Iused 1448, new Iused         440