== sanity test 413k: QoS mkdir exclude prefixes ========== 07:37:48 (1744544268)
lmv.lustre-clilmv-ffff88009acb7800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff88009acb7800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff88009acb7800.qos_exclude_prefixes=_temporary