There are some erros that you could find in the operative system event viewer:

  • Error: 1593-Fatal error: The slave I/O thr at

    Solution: Possibly the server-id parameter was not specified in master or slave "my.ini" files. Please refer to step 1.
  • Error (or in general, to restart the whole process): Slave SQL for channel '': Error 'Duplicate entry

    Solution: Possibly there was an error in procedure from the backup to the restore of the database from master to slave. The solution is, or in general, if you need to restart the whole process:
    1. Stop edinn supervisor service in slave server.
    2. Stop all edinn services in master server.
    3. Stop the edinnM2_MySQL service in master server.
    4. Delete, from the master server, the binary log files present in the data directory of the database server MySQL. Usually: log-bin.index and log.bin.000000X
    5. Start the edinnM2_MySQL service in master server.
    6. Redo all procedure, from step 2. Master Configuration.
  • Error: Central service does not start on slave server

    Solution: Possibly the license was not saved in this step, and now actual license is not valid. License string is possiby lost, therefore please request to edinn a new license for this server.