== sanity test 413k: QoS mkdir exclude prefixes ========== 17:12:57 (1760130777)
lmv.lustre-clilmv-ffff8aecab325000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8aecab325000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8aecab325000.qos_exclude_prefixes=_temporary