12/21/2023 0 Comments Backup media types![]() If you've been reading us for a while, then we're sure that you can see a potential issue with the example given above, and you might already have some ideas on how to improve it! Naturally, as time passed by and technology progressed, the rule became, for many, too simplistic. ✅Įver since its inception, the 3-2-1 rule has been proselytised as a cornerstone best practice in the backup and security spaces. The USB drive satisfies the off-site criteria. ✅ The third copy is saved to a USB drive, which you then move to your office for the rest of the week. This satisfies the different storage media type. You save one copy of the manuscript to your external hard drive that's connected to your laptop. In addition to the main copy of your manuscript that lives on your laptop, you make sure to perform a backup every weekend. It would really, really suck to lose what you've written, so you're following the 3-2-1 recommendation. You're working on a novel and you're using your laptop to write it. One of these copies should be kept in a separate location (and this doesn't mean the room next door!). The copies should be stored on different media, which simply means that you should use two different storage types, like an external disk or a network-attached storage device in addition to your computer disk. Having 3 copies of data simply means you have two backup copies beside your main/production copy. This strategy has been around for a few decades now, and its core principles are just as applicable today as they were when it was first introduced. The 3-2-1 rule is an acclaimed backup strategy which simply states that you should have 3 copies of your data stored on 2 different media and that you should keep one copy off-site, in a different physical location. Having multiple backups in several different places is a smart way to do this. Unfortunately, you can't control things like environmental disasters or device failure, but you can make sure that there's always a backup you can restore your data from. There are some causes of data loss that you can try to avert or reduce the risk of occurrence, like using the best security practices to prevent ransomware attacks. Why is redundancy so important? Well, the whole point of having backups is to be able to restore your data in the event of sudden data loss. The gist of the rule revolves around redundancy and how to ensure it by keeping backup copies on different media and in different locations. The 3-2-1 backup rule is attributed to Peter Krogh, a photographer and author who came up with the concept over 20 years ago. Read on to find out how to improve on it by using the best of what current technology can offer! The 3-2-1 is a foundational backup strategy that has been upheld as a best practice for decades. ![]() Privacy & Security / Using the 3-2-1 backup rule to design your backup strategy ![]()
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