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What this article shares with you is about how often the data of the CVM is backed up. The editor thinks it is very practical, so I hope you can learn something after reading this article. Let's take a look at it with the editor.

In the process of using the CVM, in addition to the backup feature provided by the service provider, users should back up manually once or more times a day, even if the data is not updated frequently. Data backup should be carried out within at least 48 hours to a week.

The data that enterprises need to back up include: applications, operating systems and the frequency of data updates. In general, most customers can use four general types of backup solutions.

1. File level backup: refers to the simple transfer of files and folders to another device or location.

two。 Block-level backups: usually faster than file-level backups, which allow you to copy every piece of information on a device, such as a hard drive, for recovery in the event of a serious error.

3. Version-level or version-controlled backups: unlike file-level and block-level backups, they are used to restore applications to previous versions to resolve compatibility or other issues caused by new versions.

4. Server-level backup: creates a mirror of the entire server of the client, allowing them to recover their data in the event of a catastrophic failure.

At present, most of the backup methods of CVM are snapshots. The latest backup method of CVM data is cloud snapshot, which copies the system disk and data disk and stores the backup data independently. Four copies of CVM data are written in real time, combined with multiple snapshot backups.

The CVM can provide up to 5 fully available snapshots, including the latest data backups in the early hours of the day, and older data backups within a maximum of 15 days, effectively solving the backup coverage problem. Each snapshot not only supports data rollback, but also supports individual mounts, making it easy to restore individual or partial files.

The above is how often the data of the CVM is backed up. The editor believes that there are some knowledge points that we may see or use in our daily work. I hope you can learn more from this article. For more details, please follow the industry information channel.

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