== sanity test 413k: QoS mkdir exclude prefixes ========== 05:05:53 (1788512753)
lmv.lustre-clilmv-ffff9727b04d7800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9727b04d7800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9727b04d7800.qos_exclude_prefixes=_temporary