== sanity test 413k: QoS mkdir exclude prefixes ========== 20:54:34 (1787792074)
lmv.lustre-clilmv-ffff9938c9a83000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9938c9a83000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9938c9a83000.qos_exclude_prefixes=_temporary