1. A method, comprising: providing an interface between a performance monitoring facility of a database and a data protection manager, wherein the performance monitoring facility is adapted for measuring performance of the database regularly and the data protection manager is adapted for controlling a backup operation of the database on a storage subsystem; starting the backup operation while informing the performance monitoring facility about the starting of the backup operation; continuously evaluating performance of the database while to determine when a predefined performance criterion is violated; and in response to the predefined performance criterion being violated, sending information from the performance monitoring facility to the data protection manager to cause compliance with the predefined performance criterion.