== sanity test 413k: QoS mkdir exclude prefixes ========== 14:23:55 (1771442635)
lmv.lustre-clilmv-ffffa01f78b2a000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffffa01f78b2a000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffffa01f78b2a000.qos_exclude_prefixes=_temporary