== sanity test 413k: QoS mkdir exclude prefixes ========== 13:07:23 (1788628043)
lmv.lustre-clilmv-ffff9f24c340a000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9f24c340a000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9f24c340a000.qos_exclude_prefixes=_temporary