== sanity test 413k: QoS mkdir exclude prefixes ========== 20:48:13 (1763344093)
lmv.lustre-clilmv-ffffa0b8ac6b6800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffffa0b8ac6b6800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffffa0b8ac6b6800.qos_exclude_prefixes=_temporary