Dashboard, under the fleet chart. Growth per day comes from the last seven days of heartbeats. A flat disk is not on the list.
Open Dashboard. Filling up is the table under the fleet chart, when any disk will be full within 90 days. Accounts server is on that list: disk now, how many percent it grows a day, how many days until full, and a seven-day sparkline. Click the name to open the machine. A disk that is not growing stays off this table even if it is already high — that one is an alert, not a forecast. Read the dashboard is the rest of this screen.
The same fit is on the machine, as full in on the disk sparkline, and on Read a machine's trends. A disk that is already high is an alert — Work an open alert. Accepting a known full disk is Accept a known condition.