The 3-2-1 Backup Strategy: The Ultimate Guide to Protecting Your Business’s Data with Redundancy and Resilience
No business owner likes to receive a hard drive disk failure notification when turning on a desktop or a laptop. Natural disasters that leave on-site equipment useless are terrible, but ransomware poses one of the biggest threats to data accessibility.
Fortunately, the 3-2-1 backup rule and a recovery plan help organizations resume operations. The 3-2-1 backup and disaster recovery approach is detailed below, along with best practices for protecting your business against data loss.
It’s not the same as purchasing comprehensive auto insurance, which you ideally never need but are happy to have when you do. That’s not how backing up your computer files works. Of course, you want to safeguard your sensitive data from dangers to your personal information, photos, and business files such as viruses, drink spills, hard drive breakdowns, accidental deletions, and other possible hazards.
The 3-2-1 backup technique is a trustworthy recovery process that ensures that data is properly preserved and backup copies of the data are accessible when needed. Three copies of the sensitive information must be preserved, two of which are kept on different types of storage media, and one of which is sent offshore. The primary concept underlying the 3-2-1 backup systems is this.
Backup software copies the company’s critical data according to the conventional 3-2-1 backup rule and saves it to a separate on-site storage device. Next, either during or immediately following that process, two more copies of the data are saved in two other devices, one of which was often a tape library. The tape was a regular part of the procedure since it made it straightforward to create a portable duplicate of the data in the form of a tape cartridge that could be sent offsite.
Although the 3-2-1 backup technique has been around since the beginning of data protection, the majority of backup software and hardware makers still consider it to be a best practice for utilizing their products. Although new requirements and data have made the 3-2-1 backup rule a little more difficult, they recognize that the basic concept still remains true regardless of how or where a firm keeps its data.
Reasons to opt for the 3-2-1 Backup Rule?
Data is the cornerstone of all business interactions. Each piece of technology and software you use to run your company stores data, including attachments like scanned receipts and metadata like software access rights. Many factors, including human mistakes and data breaches, can result in data loss.
Regardless of the cause, data loss can halt business operations and result in downtime and missed opportunities. You could not have access to crucial consumer, financial, or mission-related data. The reputation of your business and your relationships with clients may suffer as a result.
What is the 3-2-1 Backup Rule?
The 3-2-1 backup rule is used to save several copies of the data on various storage media and locations. In backing up your data, it’s advised to save backups of important files from tablets, desktop computers, and mobile devices.
Peter Krogh, an American photographer, developed the 3-2-1 backup rule. This still holds true today and was a big advancement for the photography business with vast ramifications for other technology areas. Despite the fact that this rule is flexible and ageless, Peter gave the following comment regarding the 3-2-1 backup strategy’s performance in the present:
Although I’ve mostly focused on digital media, the 3-2-1 (backup strategy) ideas apply pretty much everywhere,” the author said. Actually, the “law” was only a summary of the habits I observed among IT professionals while researching and writing my first book. I just gave it a memorable name.
The 3-2-1 (backup rule) has been a fantastic technique for assessing data risk exposure for almost 20 years. It began in a time of 30GB hard drives and backups on CDs, and it has grown well to a world with 18TB drives and pervasive cloud storage. Everyone needs a framework for evaluating vulnerabilities since so much of our lives and means of subsistence are kept digitally and because malware threats are growing.
Rules of 3-2-1 Backup Strategy
You must always save a minimum of three different copies of your data in order to use the 3-2-1 backup technique. The production data, or the original data you use in real life, consists of only one copy. The additional two copies are backups. The data should be saved and set up so that it can maintain its integrity even if the other copies fail or disappear, along with the two backup copies.
Lastly, each of these clones should include the exact same data. In other words, if you have two copies of data from last week and one copy from a backup you did yesterday, you don’t fulfill this condition.
Significance of 3-2-1 Backup Rule
Information security professionals and governmental organizations recognize the 3-2-1 backup technique as a best practice. This backup system minimizes risk to the maximum extent feasible, however, it cannot ensure that no data will ever be compromised.
The 3-2-1 backup rule must be followed in order to guarantee that there is no single point of failure for the data. As a consequence, an organization is safeguarded even if one copy is damaged, a piece of technology fails, or physical storage is destroyed due to a natural disaster or theft.
The 3-2-1 backup plan should be utilized as a foundation. Unfortunately, a lot of businesses insist on storing controlled data in more than three copies. Some individuals could separate the data into a production set, a backup set (perhaps using an alternative medium), and a disaster recovery set, for instance (potentially offsite). Although the 3-2-1 rule is a great place to start, certain people may have more specialized requirements.
Another benefit of using the 3-2-1 technique is the ability to perform certain data analytics operations on data copies rather than the original data (data stored in backup or disaster recovery infrastructure). This rule’s customizable flexibility, in addition to its seeming simplicity, is a plus.
The 3-2-1 rule, which takes into account intended media kinds, locations, etc., and fine-tunes the number of backups, provides for a broad variety of backups within an organization’s chosen approach. Several considerations may and must be taken into account when considering backup configurations.
3-2-1 Backup Strategy Variations
The 3-2-1 backup rule can be put into practice in a variety of ways. The particulars of each strategy will mostly depend on the amount of data that has to be protected, the installed storage devices, and the type of offsite repository available. The initial step of making the three copies of the backup recovery might be accomplished in a number of different ways.
The simplest method would be for the backup software to create the “master” backup solutions, then it or a replication tool would create two other copies, one of which would be saved on a different type of media. The first two copies might alternatively be created simultaneously via mirroring, with one of the first two copies serving as the starting point for the third copy.
Producing the final copy, however, is typically the final step in the process since one copy must reside on a different medium, and copying to a new media type is likely to occur at a different rate than creating the first two disk- or solid-state drive-based copies.
If stored internally for quick or operational recoveries, companies should keep the second duplicate on a distinct server or storage system from the original equipment. The intended equipment for the second copy should make it simple to receive backup solutions in case it is necessary, such as in the event that the original data is lost or destroyed. By keeping duplicate number two on hardware similar to the original machine, recovery attempts should be aided.
The internal copy may be stored on an unrelated or complementary medium. A business may, for instance, make the initial “master” copy before replicating the information to two tape drives concurrently or sequentially. One tape cartridge would be sent to the remote location, and the other would be kept. The drawback of this approach is that retrieving data from the local tape might take some time; doing so will surely take longer than doing so from a hard disk or solid-state drive. Even if alternate removable media, such as optical disks or detachable drives, were used, this would still be true, albeit recovery times would vary.
With the traditional 3-2-1 backup technique, the “1” copy of the data had to move away, and this was often accomplished by moving the backup to an offsite location. This corporate backup strategy’s implementation and storage are typically outsourced by businesses.
If the offsite copy also acts as the second media type copy (the “2” in 3-2-1), sending it to a cloud service adds an unexpected twist to the 3-2-1 backup method. This is due to the fact that the cloud service is likely to store the duplicate on the same type of internal media. Although this requires consideration, it might not be a concern because cloud storage is typically seen more as a storage medium than a second storage location.
No matter how much data you need to back up or how big your organization is, the 3-2-1 backup rule is a good general rule to follow. It makes your data backups more dependable and protects them from the majority of catastrophes, including ransomware attacks and natural calamities.
If you want to adhere to the 3-2-1 backup rule, make sure the backup solutions you choose are compatible with all the services and places where you could store data. To improve the efficiency of your backup strategy while reducing costs and assuring high data dependability, use a solution that supports low-cost cloud storage tiers. To develop an authoritative 3-2-1 backup plan, contact ITAdOn for more info.