Method of disaster recovery testing and storage system

摘要

A method of disaster recovery testing continues to maintain a data collection and it continues to maintain a backup data collection. The method includes creating a disaster recovery control file based on a standard control file. An instance of the backup data collection is protected. A standard output pool is established for recording changes to the backup data collection occurring under control of the standard control file. A disaster recovery output pool is established for recording changes to the backup data collection occurring under control of the disaster recovery control file. Disaster recovery testing is conducted under control of the disaster recovery control file.