== sanity test 413k: QoS mkdir exclude prefixes ========== 23:55:49 (1781236549)
lmv.lustre-clilmv-ffffa0ae189e2000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffffa0ae189e2000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffffa0ae189e2000.qos_exclude_prefixes=_temporary