== sanity test 413k: QoS mkdir exclude prefixes ========== 09:42:38 (1787838158)
lmv.lustre-clilmv-ffff92379fea5800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff92379fea5800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff92379fea5800.qos_exclude_prefixes=_temporary