== sanity test 413k: QoS mkdir exclude prefixes ========== 04:11:38 (1732439498)
lmv.lustre-clilmv-ffff8800aa9de000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800aa9de000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800aa9de000.qos_exclude_prefixes=_temporary