This Knowledge Article is intended to provide a workaround to manually purge the MySQL logs that track the files that make up the "incremental backup chain", just hours before the next backup is sched...This Knowledge Article is intended to provide a workaround to manually purge the MySQL logs that track the files that make up the "incremental backup chain", just hours before the next backup is scheduled to run This causes the MySQL backup utility to “forget” about the existing backup chain, which causes the MySQL backup utility to trigger a new backup chain.