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April 2014 Vol. 13 No. 2

Backup and archive continue to converge

We're well past the notion that backup and archive aren't the same thing, explains columnist Jason Buffington, but they may still leverage the same technologies. We're in what I believe is the third-wave of understanding the relationships between backups and archives. In a blog post I wrote last year, I suggested data protection as the appropriate umbrella term because it includes backup, snapshots, replication and archiving (among others). We know backup and archive aren't the same thing, but we've looked at them from at least three different perspectives: 1. Initially, backups and archives were treated as synonyms, with archive typically used to refer to older backups, often on tape, in contrast to recent backups on disk that are rapidly recoverable. 2. Later, folks decided that backups (copies based on a point in time) and archives (copies based on an aspect of the data, its importance or applicability) were so different they required separate tools, separate storage systems and with separate strategies. 3. Today, we're ...

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