== sanity test 413k: QoS mkdir exclude prefixes ========== 15:34:39 (1788204879)
lmv.lustre-clilmv-ffff967ab9d01000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff967ab9d01000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff967ab9d01000.qos_exclude_prefixes=_temporary