== sanity test 413k: QoS mkdir exclude prefixes ========== 02:24:02 (1746167042)
lmv.lustre-clilmv-ffff8800a1dcc800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800a1dcc800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800a1dcc800.qos_exclude_prefixes=_temporary