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Data backup in the era of cloud computing: from why you do it

If you still have doubts about the reliability of the "cloud", do not know how to ensure that the company can still perform normal data reading and commercial application when the server is down. Those articles may help you. ‍‍

Almost from time to time, we will see data leaks, hacking, or service crashes caused by giants such as Amazon and Microsoft due to server failures. Although we have entered the era of cloud computing, for many companies, especially some start-up companies, the awareness of data security is still very thin, and data security protection is basically a vacuum. Although there is no absolute security, we should still look for the most effective safety protection measures, and we believe that the best strategy is to "put the eggs in different baskets." ‍‍

Under cloud computing, a very common data security protection application scenario is:

Data backup applications are installed on every computer or server in the company. Every day, employees turn on the computer and run the relevant programs automatically. The data in the computer is backed up to the cloud in real time. Even if one day, the computer is lost or the employee When you leave the company, you only need one command to restore or download data. ‍‍‍‍

This is cloud-based data backup. ‍‍‍‍

The development of cloud computing to the present day, the most directly benefited industry is the traditional IT industry, with the completion of the deployment of public cloud by Internet giants such as Amazon, Google, Microsoft, and domestic Alibaba Cloud and Kingsoft Cloud, and cloud computing market in recent years. With the rise of SaaS (Software as a Service), data storage services originally relying on hardware have become more Internet-oriented and lower cost. Users no longer need to pay attention to the underlying hardware, and as long as they focus on the application-level implementation, they can quickly deploy the required applications. In the future, more and more data will be stored in the cloud, and the cloud will rely on its “distribution on demand” principle. It will achieve rapid space expansion and rapid data invocation, and cloud-based backup of large amounts of data becomes possible.

Then came the question of how to do it. Here, the author has sorted out three methods that can make your backup data in the cloud more secure. I hope to help you:

1, as much as possible

Remember, the first rule of data storage is to "have more than one backup file forever," which is a truth that will never be out of date. When we can't guarantee the absolute security of the storage environment, then "put eggs in different baskets" will be the best strategy we can implement. ‍‍

The rise of cloud storage greatly reduces the storage and maintenance costs of data. The cost of storing one copy of data can easily allow you to have multiple cloud storage solutions. Similar to Datto and multi-backup companies that focus on data backup. With the cost advantage of public clouds, rapid development has been achieved. ‍‍

If the data stored by the company in the cloud is important, such as core code, design drawings, and financial data, you need to deploy this information in the widest possible range. Although these tasks will consume more energy, it is very important for every enterprise. It should be pointed out that such an approach may not really have its place, but it is enough to prevent it. ‍‍

2, the local still important

Having cloud data backups in the cloud does not mean you can rest easy. If the cloud stores very important data information, it is best to have another backup locally. Although traditional data backup has disadvantages in terms of cost and deployment, if your budget is adequate, the local data backup system is still a good choice. You never know when the cloud server that you rely on will suddenly croak, whether it is the well-known Bluehost in the industry or the Amazon database used by large companies such as Instagram. Local backups will allow you to restore and migrate data faster when someone else's server fails. ‍‍

3, verify your backup job

Data backup is just a foreplay, and data recovery is the ultimate goal. Nothing is more frustrating for IT staff than recovering hard data. Therefore, after the data is backed up, you need to check the data periodically and recover it randomly to ensure that they are not damaged or destroyed. ‍‍

Do you have to know if your data can be recovered? How long does it take for recovery? Is the recovered data available? It can even be said that enterprises planning data backup architecture should pay more attention to data recovery to restore the framework for the ultimate goal. When an accident occurs, when the user requests restoration, the backup data must be restored quickly and reliably. This is a good data protection system. ‍‍

In the era of cloud computing, the cloud will become the mainstream method of data protection, but all methods are only objective conditions, and security awareness is subjective. If your corporate data is already in the cloud, don't forget to invest some more effort in data backup while gaining security and cost savings. ‍‍

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