== sanity test 413k: QoS mkdir exclude prefixes ========== 13:54:42 (1788285282)
lmv.lustre-clilmv-ffffa02929066800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffffa02929066800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffffa02929066800.qos_exclude_prefixes=_temporary