== sanity test 413k: QoS mkdir exclude prefixes ========== 13:49:40 (1736794180)
lmv.lustre-clilmv-ffff88009dc8b800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff88009dc8b800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff88009dc8b800.qos_exclude_prefixes=_temporary