[CalendarServer-users] Clustering / Scaling Up Calendarserver

Hi, I am exploring possibilities for scaling up Calendarserver. The only solution I could think of is to mount the data directory on several systems using some shared filesystem and running a calendarserver instance on each machine. But I am not sure if this would result in data corruption. Are there any known/suggested methods on how to scale up Calendarserver? This is because we are considering installing calendarserver for a 30000 user base and I really doubt if a single system (even with multiple processes) could handle this. Regards, Rahul.