== sanity test 413k: QoS mkdir exclude prefixes ========== 03:00:56 (1788937256)
lmv.lustre-clilmv-ffff9b2bac55d800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9b2bac55d800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9b2bac55d800.qos_exclude_prefixes=_temporary