== sanity test 413k: QoS mkdir exclude prefixes ========== 03:20:01 (1735374001)
lmv.lustre-clilmv-ffff88012bfc4000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff88012bfc4000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff88012bfc4000.qos_exclude_prefixes=_temporary