3-2-1 Backup Rules Broken – Here’s How I Protect My Data

The 3-2-1 backup rule, which has been around for more than two decades, states that you need to store three copies of your data on two different types of media, including one in an offsite location. While this strategy made a lot of sense when it was launched, data usage has changed a lot over the past two decades. Nowadays, it is very easy to put data on public cloud services and make it accessible from anywhere.


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In Hardwired, AC Senior Editor Harish Jonnalagadda takes an in-depth look at all things hardware, including phones, storage servers, and routers.

The downside of relying on a public cloud provider is privacy – you don’t have much say in where your data is stored. So when I was strategizing how to back up my data, I came up with a modified version of the 3-2-1 rule that made the most sense for my specific use case. Let me start by saying that I have extremely large storage needs, which is definitely not the norm—I currently use over 300TB of storage.

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