== sanity test 413k: QoS mkdir exclude prefixes ========== 22:50:51 (1746154251)
lmv.lustre-clilmv-ffff8800aaa45800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800aaa45800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800aaa45800.qos_exclude_prefixes=_temporary