== sanity test 413k: QoS mkdir exclude prefixes ========== 07:32:54 (1787571174)
lmv.lustre-clilmv-ffff978407e77000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff978407e77000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff978407e77000.qos_exclude_prefixes=_temporary