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Disaster Recovery Throw Down: Snapshots vs. Traditional Backups

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Disaster Recovery Throw Down: Snapshots vs. Traditional Backups
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In the IT field, most professionals are loyal to one disaster recovery method: either snapshots or backups. However, is one really superior to the other? Most traditional storage vendors will use some kind of snapshot functionality to provide a rudimentary level of data protection and then enlist the assistance of third-party backup tools to cater to the deficiencies of a snapshot-based strategy. To get a better understanding of these two methods, let’s compare snapshots and backups.

Snapshots

A snapshot can be defined as a point-in-time copy of data, used to freeze that data in an un-changing state so it may be recalled at a later time if required. Although useful for short-term, ad-hoc operations such as testing patches or small software changes, it should be considered as a limited data protection methodology.

The key characteristics of a snapshot are:

  • Complete in a matter of seconds
  • Chain dependent (meaning linked together with other snapshots)
  • Stored “on-device” with production data
  • Lacking granularity for management and restores
  • Lacking application consistency

Read the entire article here, Disaster Recovery Throw Down: Snapshots vs. Traditional Backups

via the fine folks at HP Enterprise.

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HP Enterprise Hewlett Packard Enterprise is an industry leading technology company that enables customers to go further, faster. With the industry's most comprehensive portfolio, spanning the cloud to the data center to workplace applications, our technology and services help customers around the world make IT more efficient, more productive and more secure.

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