Post by Colm Keegan (thank you)
For many, snapshots are the go to data protection method for protecting Oracle databases. They can provide efficient, rapid protection from database corruption with high data integrity. But snapshot data protection has its limitations. First, snapshot 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 snapshot data on primary storage as most systems only support around 250 snapshot copies. Therefore data has to be copied to another device that is independent of the primary storage device.
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