Previous Topic: Automated Recovery of the Grid ControllerNext Topic: Detection of Potential Application and Grid Issues


Failure Recovery Time

The table below summarizes how long it can take to recover from various types of appliance, server and grid failures. The times specified below are estimates.

Recovery Scenario

Recovery Time

Restart of an appliance due to an appliance failure (crash)

appliances are restarted right away

Restart of appliances on another server due to a server failure

appliances are restarted within 4 minutes

Auto-restart of the grid controller VM due to a grid controller VM failure

within 5 minutes for the grid controller to become operational

Auto-restart of the grid controller VM due to the grid controller becoming unresponsive

within 10 minutes for the grid controller to become operational

Auto-restart of the grid controller VM due to a failure of the primary server

within 5 minutes for the grid controller to become operational. The recovery controller will start in 1-3 minutes and the controller will become completely operational in 11-13 minutes.

Restart of the grid controller when specifying a new primary server for a grid (whether the grid is operational or unavailable)

within 5 minutes for the grid controller to become operational

Note: CA AppLogic requires approximately 3 minutes to detect that a server has gone down, either from a physical server or a software failure.