SELECT target_name, ROUND ( (MAX (AVERAGE) - MIN (AVERAGE)) / 14 / 1024 / 1024 / 1024/1024,2) AS GB FROM mgmt$metric_daily WHERE target_name in (select target_name from mgmt_targets where target_type='osm_cluster') AND key_value like 'DATA%' AND column_label = 'Total Bytes' AND TRUNC (rollup_timestamp) >= TRUNC (SYSDATE) - 14 GROUP BY target_name;