Thepaperprovidesastep-by-stepguidetoinstalling,configuring,provisioningandtestingthecompleteMySQLandDRBDstack,including:-MySQLDatabase;-DRBDkernelmoduleanduserlandutilities;-PacemakerandCorosyncclustermessagingandmanagementprocesses;-OracleLinuxoperatingsystem.ByreadingthisGuide,archite