Home Data Center The 3-2-1 Backup Rule – Data Protection Strategy

The 3-2-1 Backup Rule – Data Protection Strategy

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The 3-2-1 Backup Rule – Data Protection Strategy
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Backups ensure that your critical data will survive any of the likely hazards. Too many individuals and companies have suffered from having their hardware lost or stolen, destroyed by fires or natural disasters, infected with malware or corrupted by targeted hacker attacks. Common sense dictates that all hard drives will eventually fail; the question is whether or not you are prepared for the worst-case scenario.

For a one-computer user, the backup strategy can be as simple as copying all important files to another device – or, ideally, several devices – and keeping them in a safe place. However, for multiple computer systems, things can be (and usually are) much more complicated, especially when it comes to virtual environments containing thousands of virtual machines. In these cases, a comprehensive data protection plan should include the 3-2-1 backup rule.

The 3-2-1 Backup Rule

The 3-2-1 backup rule is an easy-to-remember acronym for a common approach to keeping your data safe in almost any failure scenario. The rule is: keep at least three (3) copies of your data, and store two (2) backup copies on different storage media, with one (1) of them located offsite. To clarify, let’s take a look at each point of this rule.

Keep at least three copies of your data

Even a trivial event, such as a fire alarm triggering the sprinkler system could literally wash all your data away. Countless other incidents could bring about the same outcome – for example: theft, fire, a disgruntled employee exacting revenge for imagined slights, or the vandalism of a rioting mob. Therefore, having one backup isn’t enough, especially if it is stored in the same premises as the primary data and on the same type of media. Obviously, the more backup copies you have, the less chance you have to lose all of them at once. Thus, the 3-2-1 backup rule states that you need at least three copies of your data, meaning the primary data and two backups of this data.

Read the entire article here, The 3-2-1 Backup Rule – Data Protection Strategy

via the fine folks at NAKIVO.

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NAKIVO NAKIVO is a US corporation founded in 2012. NAKIVO develops a fast, reliable, and affordable data protection solution for VMware, Hyper-V, and cloud environments. Over 10,000 companies are using NAKIVO Backup & Replication to protect and recover their data more efficiently and cost effectively, while over 150 hosting, managed, and cloud services providers are using NAKIVO’s software to deliver VM BaaS and DRaaS to their customers. NAKIVO has a global presence with over 2,000 channel partners in 124 countries worldwide.

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