== sanity test 413k: QoS mkdir exclude prefixes ========== 17:22:38 (1788643358)
lmv.lustre-clilmv-ffff91a4d1052800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff91a4d1052800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff91a4d1052800.qos_exclude_prefixes=_temporary