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How to change the CVM? 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.

There are two ways to replace a CVM: one is to change the machine and migrate within the same service provider, and the other is to change different cloud service providers. Both operations are not very difficult, if you do not understand anything, you can contact the cloud service provider for assistance.

Replacement of CVM (private network) of the same service provider

Take the CVM as an example. For overall data migration, you need to use the existing server as the template and open the same server in the new environment (applicable to the same data center and different data centers). You can use the new cloud image cloning feature to create a cloud image, and then migrate and restore it.

Partial data migration: can be done through internal IP remote desktop, or through web / ftp.

For data transfer between multiple CVMs in the same cluster, you can use the cloud disk as a transit. After unmounting the cloud disk of the original host, you can remount it to the target host, effectively solving the problem of inconvenient data migration.

Change to servers at different cloud service providers

I. selection of products

In order to avoid the decline in the weight of the website caused by frequent replacement of CVMs, it is best to patiently select hosts that can be used for a long time.

Second, back up the existing website

No matter it is the existing website program or the data, all need to download in all directions, and transmit the downloaded data to the new website space. When uploading the program, be careful not to change the directory and file name of the existing website, in case the changes lead to changes or errors in the link. After uploading, you need to use a tool to check whether the website on the new server is working properly and whether the link is valid.

III. Synchronous operation of new and old spaces

Most of the replacement space takes some time, and many webmasters will suspend the original website and begin to replace it, during which there will naturally be a loss of traffic. We can keep the original website running in the process of opening the new website, even if the two sites are the same, we can avoid the loss of customers and give search engine reaction time.

IV. Domain name resolution

When the website is uploaded successfully, the original bound space address can be changed on the domain name management panel. After domain name resolution, it will take some time to make normal access, and when everything is done, you can delete the data on the old space.

In the early stage of the operation of the new website, you must always pay attention to the IIS log. If it is not crawled normally, the old website is not recommended to be deleted immediately.

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