Shulou(Shulou.com)06/02 Report--

This article will explain in detail whether the role of CVM snapshots is backup, and the content of the article is of high quality, so the editor will share it with you for reference. I hope you will have a certain understanding of the relevant knowledge after reading this article.

Yes, snapshot is a CVM data backup method provided by many service providers, which is used to recover data lost due to machine failure or human misoperation.

Make a backup for the website in advance every day, save the important files and databases, once there are serious problems, you can use the backup to restore the business, without affecting the overall situation. Today's CVM generally uses convenient snapshot and mirror methods to back up data.

The term "snapshot" is derived from photography, which records the image content at the current point in time; when applied to the field of cloud computing storage, cloud snapshot technology is derived, that is, the data of a particular disk is retained at a certain point in time. Play the role of data backup.

Snapshot can capture the status, data and hardware configuration of a running CVM. It usually takes only a few minutes to create a cloud snapshot manually, but when the server is attacked, hung up, or business is lost due to human misoperation, with the snapshot feature, you can easily retrieve all previous important files and data.

Take the snapshot feature of the CVM as an example, you can make fully available copies of the system disk and data disk, and store the backup data independently; snapshots are stored offline and do not occupy the customer's disk space, even if the cluster system fails, it does not affect the security of snapshot data.

CVM supports snapshot mount and snapshot rollback. Snapshot mount, which is suitable for replacing only some files on disk. Snapshot rollback, which applies to the overall recovery of all files on disk. The data recovery task can be submitted at the click of a button, and the operation is convenient.

So much for sharing about the role of CVM snapshots as backups. I hope the above content can be helpful to you and learn more knowledge. If you think the article is good, you can share it for more people to see.

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.