The 3-2-1 rule recommended three copies of data on two different media with one off-site copy. Initially proposed by Peter Krogh, this rule must adapt to changes in current risks. In an ever-growing and interacting digital landscape, more advanced backup strategies are emerging to meet the needs. Veeam, highlights the 3-2-1-1-0 rule, which meets the objective of ensuring data recovery by diversifying storage copies. By embedding these principles into their practices, organizations can ensure the security and availability of their data in a dynamic digital environment.
Recommendations 3-2-1-1-0:
– 3 Copy of data
– On 2 different media
– Including 1 off-site copy
– And a copy that is physically offline
– And no errors during restoration tests
Article Link: Veeam: https://www.veeam.com/blog/321-backup-rule.html
Credits: Rick Vanover