== sanity test 413k: QoS mkdir exclude prefixes ========== 21:28:56 (1763087336)
lmv.lustre-clilmv-ffffa0e9be591800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffffa0e9be591800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffffa0e9be591800.qos_exclude_prefixes=_temporary