== sanity test 413k: QoS mkdir exclude prefixes ========== 00:05:39 (1763355939)
lmv.lustre-clilmv-ffffa02a02ece000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffffa02a02ece000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffffa02a02ece000.qos_exclude_prefixes=_temporary