== sanity test 413k: QoS mkdir exclude prefixes ========== 06:37:51 (1765107471)
lmv.lustre-clilmv-ffff8b7d87c8f800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8b7d87c8f800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8b7d87c8f800.qos_exclude_prefixes=_temporary