== sanity test 413k: QoS mkdir exclude prefixes ========== 01:20:00 (1789276800)
lmv.lustre-clilmv-ffff9c0c82d19800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9c0c82d19800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9c0c82d19800.qos_exclude_prefixes=_temporary