== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 17:09:30 (1781212170)
old_iused=        448
 - open/close 612 (time 1781212187.49 total 10.00 last 61.19)
total: 1000 open/close in 15.44 seconds: 64.77 ops/second
suppose current old_iused=1448
create_count=32, max_create_count=20000
 - unlinked 0 (time 1781212203 ; total 0 ; last 0)
total: 1000 unlinks in 13 seconds: 76.923080 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