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Debugging and Starting the Application

Application Verification​

Debug and access the application to check data:

  1. In the navigation pane, choose Resource Management -> Network. Pick the EIP next to the WordPress Service.

Figure 1 Obtaining the access address

  1. If the access is normal, and the migration is successful.

Figure 2 WordPress welcome page

Service Verification​

Testing personnel check the functions of the new cluster without interrupting the live traffic.

  • Configure a test domain name.
  • Test service functions.
  • Check O&M functions, such as log monitoring and alarm reporting.

Switching Live Traffic to the CCE Cluster​

O&M switch DNS to direct live traffic to the CCE cluster.

  • DNS traffic switching: Adjust the DNS configuration to switch traffic.
  • Client traffic switching: Upgrade the client code or update the configuration to switch traffic.

Bringing Other Cluster Offline​

After confirming that the service on the CCE cluster is normal, bring other cluster offline and delete the backup files.

  • Verify that the service on the CCE cluster is running properly.
  • Bring other cluster offline.
  • Delete backup files.