== sanity test 413k: QoS mkdir exclude prefixes ========== 19:09:28 (1786316968)
lmv.lustre-clilmv-ffff8b7e6f52f800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8b7e6f52f800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8b7e6f52f800.qos_exclude_prefixes=_temporary