Shulou(Shulou.com)06/03 Report--

Is there an automatic backup on the CVM? At present, many cloud services provide automatic backup of CVM. For example, CVM provides basic cloud snapshot service by default, and two snapshots of automatic backup of the system can be saved free of charge.

CVM backup is a way to remotely store data over the Internet using the infrastructure of cloud service providers. This is an alternative solution for storing data locally on a hard disk or disk.

Most cloud servers not only provide powerful computing and network capabilities, but also provide snapshot backup services that can be quickly recovered through distributed storage. Snapshot backup services provide a wide range of features to help customers easily back up, manage, and restore data.

Key elements of CVM vendor backup mechanism:

1. Storage space

The nature of cloud computing means that you can have all the storage you need. However, the amount of storage you use will affect the cost of purchasing CVM, so it is very important to calculate the demand accurately. Consider the size of the files you need to back up and the number you want to save in the backup at any time.

two。 Expandability

Most cloud servers enable customers to increase their storage capacity when needed. Therefore, if you find that you need to exceed the normal limit, you can increase the size of the backup storage space. When selecting a cloud host, make sure that the vendor provides this flexibility.

3. Ensure uptime

It is critical to select a vendor that provides high-availability backup services. If the service is offline, it means that the backup may not take place at schedule time, and the data may not be accessible when you need it most. Cloud service providers should be able to provide 99.95% uptime.

4. Disaster recovery

If the server where backups are stored is damaged or offline by a network attack, you need to know that your data is secure and easy to recover. Most cloud computing service providers have strong defenses against cybercriminals and use multi-location backups.

5. Backup frequency

How often you back up your data depends on the type of business you are running. For some enterprises, especially those that have been trading and updating data online, continuous backups may be required so that recent data is not lost. You need to ensure that the backup service you choose can schedule updates as often as you want.

Cloud snapshot is the backup method of CVM data, which copies the system disk and data disk completely, and stores the backup data independently. Four copies of CVM data are written in real time, providing a maximum of 5 fully available snapshots, including the latest data backup in the early hours of the day and older data backups within a maximum of 15 days, effectively solving the backup coverage problem.

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