== sanity test 413k: QoS mkdir exclude prefixes ========== 15:59:32 (1785959972)
lmv.lustre-clilmv-ffff99e45024e800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff99e45024e800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff99e45024e800.qos_exclude_prefixes=_temporary