== sanity test 413k: QoS mkdir exclude prefixes ========== 09:20:43 (1748870443)
lmv.lustre-clilmv-ffff8800abeed800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800abeed800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800abeed800.qos_exclude_prefixes=_temporary