== sanity test 413k: QoS mkdir exclude prefixes ========== 13:58:54 (1713290334)
lmv.lustre-clilmv-ffff88012aa38000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff88012aa38000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff88012aa38000.qos_exclude_prefixes=_temporary