== sanity test 413k: QoS mkdir exclude prefixes ========== 15:41:54 (1788291714)
lmv.lustre-clilmv-ffffa0a553a48800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffffa0a553a48800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffffa0a553a48800.qos_exclude_prefixes=_temporary