== sanity test 413k: QoS mkdir exclude prefixes ========== 04:35:45 (1788338145)
lmv.lustre-clilmv-ffff8a72b285a000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8a72b285a000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8a72b285a000.qos_exclude_prefixes=_temporary