== sanity test 413k: QoS mkdir exclude prefixes ========== 23:44:51 (1784346291)
lmv.lustre-clilmv-ffff92a57bb7e000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff92a57bb7e000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff92a57bb7e000.qos_exclude_prefixes=_temporary