== sanity test 413k: QoS mkdir exclude prefixes ========== 18:26:53 (1748471213)
lmv.lustre-clilmv-ffff8800a98fd800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800a98fd800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800a98fd800.qos_exclude_prefixes=_temporary