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How to migrate databases between CVMs? Many novices are not very clear about this. In order to help you solve this problem, the following editor will explain it in detail. People with this need can come and learn. I hope you can gain something.

Cloud image feature can be used to clone new environments and migrate data between elastic CVMs. Take CVM as an example, let's describe how to migrate databases between CVM.

Create a cloud image

1. Log in to the website Management Center-Business Management-Server Management, select the original CVM point to manage, and click more-Cloud Image Management.

2. Click the create Cloud Image button, select the IP to create the image, and name the image name to create it. The mirroring is usually completed in 10-30 minutes according to the amount of data. Note: mirror recovery cannot be used until the image has been successfully created.

II. Migration and recovery

1. Same cluster (same computer room)

In the website backend midpoint business management-server management, select a new cloud host point to manage entry, click reinstall, select the name of the newly created image, and do not retain data reinstallation.

2. Different clusters (different computer rooms)

After the cloud image is created successfully, you need to copy the image to the target data center (cluster). The id number of the target cluster can be checked by logging in to Management Center-Business Management-Server Management. If you are not sure, you can contact the after-sales online customer service.

In the cloud image management interface, click "Image copy" to copy the image to the target server room cluster that needs to be opened. According to the amount of data, mirror replication is usually completed in 30-120 minutes. After the image replication is successful, you can choose this image when the target new data center is newly opened or reinstalled.

If you have opened a server lease in the new server room (new cluster), you can use this image without data reinstallation. If the server has not been activated, the system can select this image when it is activated. Note: the image needs to be replicated before the new data center (cluster) can use the image.

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