== sanity test 413k: QoS mkdir exclude prefixes ========== 08:48:35 (1782737315)
lmv.lustre-clilmv-ffff91c7053e9000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff91c7053e9000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff91c7053e9000.qos_exclude_prefixes=_temporary