Creating an Application Assessment
By assessing an application, you can get recommendations for most suitable Huawei Cloud resources based on the configuration, performance, and business scenario of the source resources added to the application, and your other requirements for, for example, cost, availability, performance, security, and compliance. You can export the assessment results as needed.
This section describes how to assess an application.
![](https://support.huaweicloud.com/intl/en-us/qs-mgc/public_sys-resources/note_3.0-en-us.png)
If you have associated source servers with target servers, you can skip this step and create a workflow to migrate them.
Prerequisites
- You have discovered servers by referring to Discovering Servers.
- You have created an application and associated the servers to be migrated with the application.
Procedure
- Log in to the MgC console.
- In the navigation pane on the left, choose Design > Migration Solutions. Select a migration project in the upper left corner of the page.
On the Migration Solutions page, you can view the total numbers of resources, the number of resources that have target configurations, and the list of applications in the current project.
- Click Assess in the Target Configuration card.
- In the Select Application drop-down list, select the application for which you want to assess.
- In the Select Resources area, select the servers to be assessed in the application.
- Configure the assessment policy based on Table 1.
- Click Create Assessment. After the assessment task is complete, you can view the assessment results which include the recommended specifications of target resources. You can also view server performance data.
- (Optional) Perform the following operations:
- Modify recommended target configurations: You can modify recommended specifications of target servers and their disks.
- Associate source servers with target servers: If you already have servers that match your requirements on Huawei Cloud, you can associate them with source servers.
Viewing the Assessment Results
In the application list on the Migration Solutions page, click View Target Configurations in the Operation column.
In the Target Configurations area, you can view the specifications of Huawei Cloud resources recommended based on the source resource specifications and your selected preferences. It also gives you the ability to estimate what it will cost to run your services on Huawei Cloud.
Viewing Server Performance Data
On the Target Configurations page, in the server list, you can view the average CPU and memory usage of each server in the last 7 or 30 days. Click Analyze Performance to view the performance statistics of all servers.
Modifying Recommended Target Configurations
- In the Target Configurations area, locate the server that you want to modify the recommended target configurations for and click Modify Target Configuration in the Operation column.
- Modify the specifications and image for the target server.
- In the disk area, locate a disk and click Modify in the Target Specifications column. You can modify the disk type and capacity. Only Linux disk sizes can be decreased. If you decrease a disk size, the system will set Disk Size Decreased to Yes. The reverse also applies.
- The system disk capacity ranges from 40 GB to 1,024 GB.
- The data disk capacity ranges from 10 GB to 32,768 GB.
- Only Linux disk sizes can be decreased, and decreased sizes must be larger than the used sizes of source disks.
- In the cross-AZ migration scenario, disk sizes can only be increased. Even if you decrease disk sizes here, the settings will not be applied, and the system will create target disks as large as source disks.
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