== sanity test 413k: QoS mkdir exclude prefixes ========== 20:35:50 (1788395750)
lmv.lustre-clilmv-ffff9be584e6f800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9be584e6f800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9be584e6f800.qos_exclude_prefixes=_temporary