== sanity test 413k: QoS mkdir exclude prefixes ========== 02:33:35 (1788935615)
lmv.lustre-clilmv-ffff9c39d8fa8000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9c39d8fa8000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9c39d8fa8000.qos_exclude_prefixes=_temporary