Depending on the performance, capacity, and cost requirements, various firms have varied storage objectives. Some people, for example, may decide to make an object-based backup from data that was not initially object-based.
Object storage backup targets using Application Platform (AP)Ĭhoosing alternative backup types might add to the value. The following backup targets are supported: When it comes to backup settings, there are several factors to consider. 3-2-1 Allows for Backup VersatilityĪside from fine-tuning the amount of backups, the rule provides for a broad variety of backup kinds within an organization's defined strategy, taking into account intended media types, locations, and so on. To mitigate such risks, data experts are adopting more comprehensive backup strategies such as 3-2-1-1-0 or 4-3-2 backups. Cybercriminals target networked machines and capture all data, including backups, which poses a growing problem. However, with the rise in ransomware attacks, it is essential to reinforce the fundamental principles of the 3-2-1 strategy with additional protections. The third copy is on an online backup service such as Backblaze, which uploads your data to an off-site data center continuously. This file exists on your home computer as the first copy, and the second copy is on an external hard drive that backs up your computer. For example, let's consider "photo.jpg" as a scenario. The 3-2-1 backup strategy entails having three copies of your data, two on-site on different media and at least one off-site. What's Changed About the 3-2-1 Backup Strategy? Along with appearing simple, this rule also has the benefit of allowing for fine-tuning. Others could have more specific needs, but the 3-2-1 rule is an excellent place to start.Īnother benefit of using the 3-2-1 strategy 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). Some people divide their data into one or more production, backup (perhaps on a different medium), and disaster recovery sets (potentially offsite). Many organizations, on the other hand, require more than three copies of controlled data. The 3-2-1 rule should be used as a starting point. Hard drives with storage capacities of up to 18 terabytes and a variety of cloud-based solutions are among the data storage alternatives available today.įurthermore, today's data storage issues extend beyond disk capacity to include how a chosen system will manage numerous security and failover scenarios. 
The times have changed, and so has the technology accessible to us. Krogh devised his rule nearly two decades ago, when his personal storage choices comprised hard disks with a capacity of 30 gigabytes and compact disc backups. 1 Copy Offsite - Store one copy offsite to avoid data loss in the case of a site-specific failure.It is up to you to decide which storage media will hold the original data and which will hold any extra copies.
This can assist to mitigate any harm that could be attributed to a single storage medium type. 2 Separate Media - For storage, use two different media types.Maintain three copies of data: the original and at least two additional copies.The 3-2-1 rule, which is credited to photographer Peter Krogh, consists of the following requirements:
3 2 1 backup methodology professional#
Given this, it may surprise some that, as opposed to what one may anticipate, one of the most popular data backup solutions comes from a creative professional - a photographer who created a guideline by interviewing IT specialists. There are numerous possibilities for hardware and software, as well as numerous proposed regulations and procedures for employing them. On the other hand, figuring out an organization's ideal backup plan might not be so simple. It should be simple to explain why businesses now need to back up their data. What is a 3-2-1 Backup Strategy (backup rule)? Data backup is an unavoidable requirement for today's businesses, but how should you go about developing a backup strategy or reevaluating an existing one? As DiskInternals examines the famous 3-2-1 data backup plan, you'll find the answers here.
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