Documents on High Availability/disaster management and Performance

Hi Experts,

Can anyone help me with the document on High Availability/disaster management and Performance of the PI system.I require this ASAP.

High availability:High Availability is required if any error occurs in the inteface when support tean is unavailable.Then an alert will be raised through mail or sms so that the notified person should deal with the problem.

Disaster management: Disaster managemnet team will come in picture if by chance PI server is down or Sever crashes.In this case until the server is restored,none of the activity will take place.

performance of the system:

Please elaborate more on thses topics

rgds

veeru