System backup

System backup include all necessary data for system operation: the operating system and all installed applications with eventually installed middleware like cluster software. System backup include in agent based backup strategies the whole software and ensures basis for restoring moving data. The whole system backup process is smaller regarding to backup utilized data.

Utilization data are e-mails, data of user, LAP index and all necessary data for operation of system environment. The size of utilization data is bigger than size of system backup. The stock of utilization data is essential dynamic.