Deploy an Amazon RDS Multi-AZ and Read Replica in AWS – Lab 99

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Deploy an Amazon RDS Multi-AZ and Read Replica in AWS

Lab 99

Services Covered

• RDS
• Route 53

Lab description

This lab exercises following concepts with use of AWS CLI commands:

• Creating RDS Read Replicas
• Enabling Multi-AZ and backups
• Promoting a read replica
• Updating the RDS endpoint in Route 53

Lab diagram

Lab files

• AWS_CLI_commands.txt – contains used commands to perform project

Lab date

23-09-2021

Lab source

This lab is part of A Cloud Guru catalog

Lab steps

All the ids for resources are temporary values specific for the lab

• Enable Multi-AZ Deployment

  aws rds modify-db-instance --db-instance-identifier db-OBWWA4PQF2XPOBVZP7WQ6CUKGI --multi-az

• Create a Read Replica

  aws rds create-db-instance-read-replica --db-instance-identifier wordpress-rr   --source-db-instance-identifier wordpress

• Promote the Read Replica and Change the CNAME Records Set in Route 53 to the New Endpoint

  aws rds promote-read-replica 
  --db-instance-identifier wordpress-rr

• Check the hosted zone resource record sets

  aws route53 list-resource-record-sets --hosted-zone-id Z02351242NWTTQUT6NPRI

• Get Read Replicas endpoint

  aws rds describe-db-instances --db-instance-identifier wordpress-rr

• Create ‘change-name.json’ then change the record set in Route 53 hosted zone to the new db

  aws route53 change-resource-record-sets --hosted-zone-id Z02351242NWTTQUT6NPRI --change-batch file://change-name.json

Acknowledgements

• A Cloud Guru