== sanity test 413k: QoS mkdir exclude prefixes ========== 17:16:46 (1787606206)
lmv.lustre-clilmv-ffff9200c60bf000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9200c60bf000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9200c60bf000.qos_exclude_prefixes=_temporary