use mainframes for backups

Brown, Gary
December 2004
Storage Magazine;Dec2004, Vol. 3 Issue 10, p46
This article discusses the advantages to using a mainframe to back up all of an organization's data to streamline backup and disaster recovery (DR) operations. An enterprise resource planning application such a SAP, includes back-end databases running on the mainframe, application processing on Unix servers and Web interfaces running on Windows. There is usually a large amount of data transferred between these environments via File Transfer Protocol, extracts and dumps. This creates a lot of overhead and at times impacts the availability and service-level agreements of the business applications. In addition, DR plans for these critical applications are sometimes separate for each storage environment. If the mainframe is used to increase recovery success rate for most mixed environments, there must be a consistent view of the data at a point in time, called consistency groups. The ability to gather data from various platforms at the same time is available with products from most major mainframe and open storage vendors, such as EMC Corp., Hitachi Data Systems Inc. (HDS), IBM Corp. and Storage Tek. EMC Time Finder and HDS Shadow Image can coordinate input and output freezing for a database at the host level.


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