== sanity test 413k: QoS mkdir exclude prefixes ========== 08:01:41 (1711108901)
lmv.lustre-clilmv-ffff880099b0e000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff880099b0e000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff880099b0e000.qos_exclude_prefixes=_temporary