== sanity test 413k: QoS mkdir exclude prefixes ========== 10:00:46 (1786024846)
lmv.lustre-clilmv-ffff91c61dd30000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff91c61dd30000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff91c61dd30000.qos_exclude_prefixes=_temporary