Method for determining the modified data in the cache for use in the recovery operation, system, and (determination of modified data in the cache for use in the recovery operation) computer program

摘要

A method for determining the modified data in the cache to be used during the recovery operation, the system, and to provide a product. A event processing of writing to the storage device is interrupted is detected. In response to the detection of the event, in order to determine the data unit having the modified data, cache containing the modified data that is not destaged to the storage devices are scanned. Data unit having the modified data in the backup storage is indicated. Instruction data units having the modified data in the backup in the storage are used in the recovery operation. .TECHNICAL