== sanity test 413k: QoS mkdir exclude prefixes ========== 18:18:36 (1713478716)
lmv.lustre-clilmv-ffff88012bd97000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff88012bd97000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff88012bd97000.qos_exclude_prefixes=_temporary