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The term cloud disaster recovery (cloud DR) refers to the strategies and services enterprises apply for the purpose of backing up applications, resources, and data into a cloud environment.
Cloud DR helps protect corporate resources and ensure business continuity. If disaster hits, enterprises can restore data from backed up versions to either on-premise or cloud environments. Another key advantage is the ability to automate many processes and quickly scale according to business requirements and needs.
In this article, you will learn:
This article is part of a series on Disaster Recovery.
According to a research conducted by Uptime Institute, 44% of surveyed organizations experienced a major outage that impacted their business. Most of these outages were a result of power failures. In such cases, it is critical to have a solid DR strategy in place. When power fails, enterprises can quickly recover their data and resume normal operations.
In addition to providing availability during power failures, disaster recovery strategies can help ensure business continuity during network or power outages, system failures, natural disasters, accidents, cyber attacks, and during software updates. However, traditional DR, which leans heavily on on-premise resources, is often complex and expensive.
Cloud DR offers a more affordable and simpler solution. Often, cloud DR is offered as a software as a service (SaaS) solution, which can be scaled according to the unique needs of the business. In most cases, the interfaces are simple and user-friendly and the solution can be quickly deployed. In short, Cloud DR offers affordability, flexibility, and scalability.
A traditional disaster recovery process stores redundant copies of data in a secondary data center. Here are key elements of traditional on-premises data recovery:
Here are several disadvantages of a traditional DR:
A cloud DR can solve many of these issues. Here is how:
A cloud-based disaster recovery plan typically follows three key stages—analysis, implementation, and testing.
The analysis phase of your disaster recovery plan should include a comprehensive risk assessment, as well as impact analysis of your existing IT infrastructure and workloads. Once you have identified all of these risks, you can identify potential disasters and vulnerabilities.
Once you collected all of this information you can evaluate how your current infrastructure stands against these challenges, and determine the Recovery Point Objective (RPO) and Recovery Time Objective (RTO) of your workloads.
The implementation phase of a DR plan helps you outline the steps and technologies needed to address disasters as they occur. The goal is to lay out a plan that helps you implement all necessary measures and respond in a timely manner. Here are four key steps of a DR implementation:
To ensure the viability of your plan, you need to test and update it on a regular basis. This can help you ensure your staff remain properly trained and that the plan remains relevant to your needs.
You should also ensure that all technologies and automated processes are working properly and are ready to be used at all times. Additionally, you can leverage testing to detect gaps and update your plan accordingly.
To learn more, read our detailed guide to disaster recovery and business continuity plans
If you need to backup data to on-premises storage, Cloudian offers low-cost disk-based storage with capacity up to 1.5 Petabytes. You can also set up a Cloudian appliance in a remote site and save data directly to the remote site using our integrated data management tools.
Alternatively, you can use a hybrid cloud setup. Backup data to a local Cloudian appliance, and configure it to replicate all data to the cloud. This allows you to access data locally for quick recovery, while keeping a copy of data on the cloud in case a disaster affects the on-premise data center.
Learn more about Cloudian’s data protection solutions.