== sanity test 413k: QoS mkdir exclude prefixes ========== 14:59:43 (1761245983)
lmv.lustre-clilmv-ffff957e029d8000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff957e029d8000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff957e029d8000.qos_exclude_prefixes=_temporary