== sanity test 413k: QoS mkdir exclude prefixes ========== 12:25:10 (1782491110)
lmv.lustre-clilmv-ffff8df6c7ed4000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8df6c7ed4000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8df6c7ed4000.qos_exclude_prefixes=_temporary