![]() A commonly used tactic is to have one backup stored on a network-attached device or a file server and another stored on removable media or another server.Īt least one copy of the two backups should be stored at a separate location from the production data and the other backup. The way it works is this:Īlways have at least three distinct copies of the data-one is the production set, and the other two are backups.Īt least two copies of the production data should be kept on secure storage devices that are physically independent of each other. The 3-2-1 data backup strategy is brilliant in its simplicity. Designed to take into account a number of worst-case scenarios, the data backup strategy ensures that at least one copy of data will be available to use for recovery and operations restoration. The list of information in a data backup varies, but a few common examples are:Ī 3-2-1 data backup strategy provides a structure and process for ensuring data resilience under almost any circumstance. ![]() What Data Should Be Included in a Backup?Īny data that cannot be easily recreated or replaced should be included in data backup as a rule of thumb.
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