the full *type.id* string. If no type. prefix is given, fio will add
'client.' by default.
+.. option:: conf=str : [rados]
+
+ Specifies the configuration path of ceph cluster, so conf file does not
+ have to be /etc/ceph/ceph.conf.
+
.. option:: busy_poll=bool : [rbd,rados]
Poll store instead of waiting for completion. Usually this provides better