== sanity test 311: disable OSP precreate, and unlink should destroy objs ========================================================== 10:01:39 (1782223299)
old_iused=        449
 - open/close 483 (time 1782223319.00 total 10.03 last 48.17)
 - open/close 944 (time 1782223329.05 total 20.08 last 45.86)
total: 1000 open/close in 21.10 seconds: 47.39 ops/second
suppose current old_iused=1449
create_count=32, max_create_count=20000
 - unlinked 0 (time 1782223340 ; total 0 ; last 0)
total: 1000 unlinks in 12 seconds: 83.333336 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