== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 16:11:23 (1786651883)
old_iused=        449
 - open/close 697 (time 1786651899.34 total 10.01 last 69.63)
total: 1000 open/close in 13.72 seconds: 72.89 ops/second
suppose current old_iused=1449
create_count=32, max_create_count=20000
 - unlinked 0 (time 1786651912 ; total 1 ; last 1)
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
        441 
waited 1 sec, old Iused 1449, new Iused         441