== sanity test 413k: QoS mkdir exclude prefixes ========== 16:07:26 (1733173646)
lmv.lustre-clilmv-ffff8800b631a000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800b631a000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800b631a000.qos_exclude_prefixes=_temporary