Understanding the Oracle Data Protection Gap

For many, snapshots are the go to method for protecting . They can provide efficient, rapid protection from database corruption with high data integrity. But data protection has its limitations. First, copies can become corrupted if there is an application corruption issue. Secondly, snapshots will be lost if the storage system fails. And then of course there are retention limitations with maintaining data on primary storage as most systems only support around 250 copies. Therefore data has to be copied to another device that is independent of the primary storage device.

Consequently, many organizations have come to rely on a combination of snapshots along with traditional to satisfy their various data protection requirements. The problem is that these often take too long to complete, can impact application performance and can be too far out of sync from the production data set to provide value in recovery. As a result, there is a gap in protection between snapshots and traditional backup that needs to be filled.

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NOTE: This column was originally published in the Weekly Newsletter.

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