What is the method for configuring MySQL dual-machine hot backup?

In MySQL high availability setup, Master-Slave Replication is commonly used for data backup and fault recovery. Below are the methods to achieve MySQL high availability setup.

  1. Firstly, the binary logging feature needs to be enabled on the master server to record all data change operations.
  2. Create a user on the master server for replication purposes and grant them REPLICATION SLAVE permission.
  3. Configure master-slave replication parameters on the master server, including the ID of the master server, the name and location of the binary log file, etc.
  4. When configuring the master-slave replication parameters on the slave server, specify the IP address and port number of the master server, as well as the username and password of the replication user.
  5. Start the replication process from the server to synchronize the data from the master server to the slave server.
  6. Regularly check the replication status between the master and slave servers to ensure data synchronization is functioning properly.
  7. In the event of a main server failure, a quick switch to the backup server can be made to facilitate fault switching and data recovery.

Configuring dual-machine hot standby through the above steps ensures the high availability and data security of the database, while also increasing the stability and reliability of the system.

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