How to test MySQL dual-machine hot backup?

To test the reliability and stability of MySQL dual-machine hot backup, you can follow the steps below:

  1. First, ensure that the dual machine hot backup is correctly configured and running, including the configuration and synchronization settings of the primary and backup servers.
  2. Start the backup server to ensure it can connect to the main server correctly and sync data.
  3. Perform some CRUD operations on the primary server to ensure that the data synchronizes correctly to the backup server.
  4. Simulate the failure of the main server by stopping the MySQL service or shutting down the main server directly.
  5. Observe whether the backup server can automatically take over the main server’s work and ensure that data synchronization is functioning properly.
  6. Restore the main server and verify if data synchronization has been restored successfully.
  7. Repeat the above steps until the reliability and stability of the hot backup system is confirmed.

By following the testing steps above, the reliability and stability of MySQL dual-server hot backup can be verified, ensuring that the backup server can correctly take over in the event of a primary server failure and maintain data integrity.

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