== sanity test 413k: QoS mkdir exclude prefixes ========== 15:22:33 (1763410953)
lmv.lustre-clilmv-ffff97e088e99800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff97e088e99800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff97e088e99800.qos_exclude_prefixes=_temporary