== sanity test 413k: QoS mkdir exclude prefixes ========== 07:03:39 (1726311819)
lmv.lustre-clilmv-ffff8800a8267000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8800a8267000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8800a8267000.qos_exclude_prefixes=_temporary