We recommend whenever speaking to a backup vendor to make sure that you ask them how their backup solution fits with 3-2-1 compliance. Multiple locations ensure that there is no single point of failure and that your data is safe from disasters such as fires and floods. Multiple copies prevent you from losing the only copy of your data. ![]() Step 3: Here you are required to opt for the source disk and the destination disk. Step 2: Go to the Tools tab, choose the feature Clone Disk to the next step. Step 1: After you double click this free backup software, click the Connect button in the Local section. The 3-2-1 backup rule is considered a best practice because it ensures that you’ll have a copy of your data no matter what happens. MiniTool ShadowMaker Trial Click to Download 100 Clean & Safe. Is the 3-2-1 rule a good backup strategy? After all, if there’s a fire in the server room it won’t matter how many backups you have if they’re all stored next to each other. Keep a third copy in an offsite location, like the cloud. Keep at least one (1) copy of the data offsiteĮven if you have two copies on two separate storage types but both are stored onsite, a local disaster could wipe out both of them. Therefore, if you have data stored on an internal hard drive, make sure you have a secondary storage type, such as external or removable storage, or the cloud. The chances of having two failures of the same storage type are much better than for two completely different types of storage. Keep the backed-up data on two (2) different storage types That includes the original copy and at least two backups. This file lives on our computer at our home office (1) it’s a spreadsheet we made earlier this. Let’s look at an example fictional file called salaries.xlsx. 3-2-1 backup strategy breakdown Keep at least three (3) copies of your data What is the 3-2-1 Backup Method A 3-2-1 backup strategy means having at least three copies of your data, on two different media storage devices, with at least one copy off-line. Your data should reside on two separate mediums such. You’ll hear it from most IT consultants and IT pros as well as many backup vendors, who will speak about their products in terms of 3-2-1 compliance. Three copies of your data means that one copy is the original data supported by two separate backup copies. If you’re looking into backup and recovery strategies, you’re probably going to hear the phrase “3-2-1 backup” come up a lot. Keep at least 1 copy of the data offsite.Keep the backed-up data on 2 different storage types.Put simply, the rule lays out best practices for business continuity: These types of backups are often performed by backup software because they can be done frequently due to their small size and fast backup time.The 3-2-1 rule is a classic rule for keeping your files safe and has been adopted by almost all backup services. The difference is that incremental backups will back up any changed data since the last backup, whether it was a full, differential, or incremental backup. ![]() ![]()
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