== sanity test 413k: QoS mkdir exclude prefixes ========== 10:55:02 (1789138502)
lmv.lustre-clilmv-ffff9fcd6b7a5000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9fcd6b7a5000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9fcd6b7a5000.qos_exclude_prefixes=_temporary