== sanity test 413k: QoS mkdir exclude prefixes ========== 16:50:21 (1789073421)
lmv.lustre-clilmv-ffffa05d85b52000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffffa05d85b52000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffffa05d85b52000.qos_exclude_prefixes=_temporary