9/17/2023 0 Comments Backup 321 strategy![]() ![]() With this extra step, the 3-2-1 backup strategy becomes an updated and far more effective 3-2-1-1 backup strategy. Hence, there’s no way to “read” or reverse it. Unlike with data encryption, immutability has no key. The 3-2-1-1 Backup Strategyįor an extra layer of protection, IDC recommends storing one copy of your data on immutable storage or in the cloud. This, in turn, may force you into manual recovery, which will make it impossible for you to meet your recovery time objective (RTO).Ī newer backup strategy adds another “1” to the 3-2-1 backup strategy to enhance data protection. If you get hit by a successful ransomware attack, every second your systems are down is incredibly costly, and the traditional 3-2-1 backup may not totally protect your backup systems. Historically, the most common causes of data loss have been:īut now ransomware attacks are also very common, leading to the need to create ransomware-specific data backup strategies such as snapshots. What’s changed since the 3-2-1 backup strategy was invented? As such, it’s probably due for an update to account for new types of ways data can be lost. The 3-2-1 data backup strategy has been around for 14 years, which is a long time in the fast-moving tech world. Furthermore, it’s simple and easy for anyone from individuals to big companies to follow, and it’s easily applied to any type of data storage scale or situation.ĭisadvantages of the 3-2-1 Backup Strategy It also provides flexibility around how you back up your data as it is a general rule and hence considered a baseline strategy. ![]() ![]() The primary advantage of the 3-2-1 backup strategy is that it accounts for various ways data can be lost. Always keep one copy of the data off-site to eliminate the potential for data loss due to a site-specific failure.Use two different types of media (i.e., devices) for storage in case one type is affected by some kind of adverse event such as a hack.Maintain three copies of your data: the original and at least two copies.Invented by photographer Peter Krogh in his 2009 book Digital Asset Management for Photographers, the 3-2-1 backup strategy asks you to: There are many types of data backup strategies, but one in particular has established itself as one of the go-to baseline strategies: the 3-2-1 backup strategy. ![]()
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