== sanity test 413k: QoS mkdir exclude prefixes ========== 13:00:51 (1787850051)
lmv.lustre-clilmv-ffff9e5fe7bd9000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9e5fe7bd9000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9e5fe7bd9000.qos_exclude_prefixes=_temporary