== sanity test 413k: QoS mkdir exclude prefixes ========== 10:50:05 (1746802205)
lmv.lustre-clilmv-ffff88008b9a9000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff88008b9a9000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff88008b9a9000.qos_exclude_prefixes=_temporary