Patent ID: 7613747
Filing Date: 2009-11-03
Classification: G06F,Y10S

Abstract:
1. A storage network comprising: a first tier production storage system configured to store a first production section of a production database; a second tier production storage system configured to store a second production section of the production database; a first tier backup storage system configured to store a first backup section of a backup database; a second tier backup storage system configured to store a second backup section of the backup database; and a storage control system configured to replicate the first production section on the first tier production storage system to the first backup section on the first tier backup storage system at a first frequency and replicate the second production section on the second tier production storage system to the second backup section on the second tier backup storage system at a second frequency that is less than the first frequency; wherein the first production section comprises a first collection of production data, wherein each of the first collection of production data is associated with a first time frame, and wherein the second production section comprises a second collection of production data, wherein each of the second collection of production data is associated with a second time frame older than the first time frame; wherein the second time frame immediately precedes the first time frame; wherein the first time frame and the second time frame each comprises a movable time frame defined in relation to a current time; wherein the storage control system is configured to transfer data within the first production section on the first tier production storage system no longer associated with the first time frame to the second production section on the second tier production storage system; and wherein the storage control system is configured to replicate the second production section on the second tier production storage system to the second backup section on the second tier backup storage system by transferring data within the first backup section on the first tier backup storage system no longer associated with the first time frame to the second backup section on the second tier backup storage system.