What Is Copy Data?
Copy Data is the term used to describe the copies of primary data made for data protection, testing, archives, eDiscovery and analytics. The typical focus of copy data is data protection to recover data when something goes wrong. The problem is that each type of recovery requires a different copy of data. Recovery from corruption requires snapshots. Recovery from server failure requires disk backup. Protection from disk backup requires tape. Finally, recovery from a site disaster requires that all these copies be off-site. Add to the data protection copy problem, all the copies being made for test/development, archives, eDiscovery and now analytics. The end result: copy data is about much more than data protection and providing the capacity to manage all these copies has become a significant challenge to the data center.
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NOTE: This column was originally published in the Storage Switzerland Weekly Newsletter.