== sanity test 413k: QoS mkdir exclude prefixes ========== 02:27:55 (1786948075)
lmv.lustre-clilmv-ffffa0144b67b800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffffa0144b67b800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffffa0144b67b800.qos_exclude_prefixes=_temporary