== sanity test 413k: QoS mkdir exclude prefixes ========== 19:33:24 (1717025604)
lmv.lustre-clilmv-ffff880137399800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff880137399800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff880137399800.qos_exclude_prefixes=_temporary