== sanity test 413k: QoS mkdir exclude prefixes ========== 03:34:48 (1788939288)
lmv.lustre-clilmv-ffff8d6fc33c6800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8d6fc33c6800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8d6fc33c6800.qos_exclude_prefixes=_temporary