Terms
The following table describes the terms related to SMC.
| Term | Description |
|---|---|
| Server Migration Center | SMC is a migration platform provided by Alibaba Cloud. SMC offers migration services with universal capabilities, consistent experience, and high efficiency. This meets your migration needs when you use Alibaba Cloud services. |
| server migration | You can migrate servers in data centers, VMs, and third-party cloud servers to Alibaba Cloud with high efficiency. |
| VMware migration without agents | SMC provides the non-intrusive migration technology to help you migrate VMware VMs to Alibaba Cloud without the need to install agents. This improves the efficiency of business migration to Alibaba Cloud and eliminates your concerns about business security and business performance during the migration process. |
| cross-zone migration | You can migrate Elastic Compute Service (ECS) instances across zones within the same region with high efficiency. |
| operating system migration | You can migrate the operating systems of ECS instances from CentOS 7 or CentOS 8 to Alibaba Cloud Linux or Anolis OS. This improves the efficiency of replacing CentOS operating systems. |
| migration source or source server | Source servers can be servers in self-managed data centers, VMs, third-party cloud servers, or servers of other types. |
| SMC client | The SMC client is a server migration tool developed by Alibaba Cloud. It is lightweight and free of installation. |
| migration job | After you import the information about a migration source, SMC automatically generates a record for the migration source. You must create and start a migration job for the migration source in the SMC console. |
| destination instance | When you create a migration job, you can select an ECS instance as the destination instance. After migration, the data on the source server overwrites the data on the destination instance. |
| intermediate instance | To run a migration job, SMC creates a temporary intermediate instance named No_Delete_SMC_Transition_Instance within your Alibaba Cloud account. |
| ECS image | You can migrate a server to an ECS image and create an ECS instance based on the ECS image. |
| container image | You can migrate a server to a container image and deploy containerized applications based on the container image. |