== sanity test 413k: QoS mkdir exclude prefixes ========== 04:20:49 (1786954849)
lmv.lustre-clilmv-ffffa0b62f1dd000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffffa0b62f1dd000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffffa0b62f1dd000.qos_exclude_prefixes=_temporary