== sanity test 413k: QoS mkdir exclude prefixes ========== 10:37:12 (1724769432)
lmv.lustre-clilmv-ffff88008ab59800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff88008ab59800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff88008ab59800.qos_exclude_prefixes=_temporary