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IBM DB2::High Availability Disaster Recovery (HADR)

By Sarwar Javaid posted Thu November 09, 2023 12:21 PM



  • Briefly introduce the concept of High Availability Disaster Recovery (HADR) in the context of database management.
  • Explain the importance of HADR in ensuring the availability and reliability of your IBM Db2 database.

Section 1: What is HADR?

  • Define HADR and its primary purpose.
  • Explain how HADR works in IBM Db2, including primary and standby databases.

Section 2: Advantages of HADR:

  • Discuss the benefits of implementing HADR in your Db2 environment.
  • Highlight the improved availability, data protection, and disaster recovery capabilities it offers.

Section 3: Setting up HADR:

  • Provide step-by-step instructions on how to set up HADR in IBM Db2.
  • Include details on configuring the primary and standby databases, as well as the necessary parameters.

Section 4: HADR Modes:

  • Explain the different HADR modes, such as synchronous and asynchronous, and when to use each.
  • Discuss the trade-offs and considerations for choosing the appropriate mode.

Section 5: Monitoring and Management:

  • Describe tools and methods for monitoring and managing HADR in IBM Db2.
  • Discuss how to check the health of your HADR configuration and perform failover.

Section 6: Best Practices:

  • Share best practices and tips for optimizing your HADR setup.
  • Include recommendations for performance tuning and maintaining your HADR environment.

Section 7: Real-World Use Cases:

  • Provide real-world examples of how HADR has been used to prevent downtime and data loss in different scenarios.

Section 8: Challenges and Considerations:

  • Discuss potential challenges and considerations when implementing HADR.
  • Address common issues and how to mitigate them.


  • Summarize the key points about HADR in IBM Db2.
  • Emphasize the importance of having a robust disaster recovery plan in place.

Call to Action:

  • Encourage readers to explore HADR further, implement it in their IBM Db2 environments, and share their experiences and feedback.

Additional Tips:

  • Include screenshots, diagrams, or code snippets to make the content more engaging and informative.
  • Use clear and concise language, avoiding overly technical jargon to make it accessible to a broader audience.
  • Ensure that your blog post is well-structured with headings and subheadings for easy navigation.
  • Provide links to relevant IBM Db2 documentation and resources for readers who want to delve deeper into the topic.

 ... just watch and download video



1 comment



Thu November 16, 2023 09:24 AM

Wow, this looks really in depth and was going to be something I wanted to promote on Twitter/X. However, I would be hesitant to randomly click on a "download here" from Google Drive. Would really like to see this reposted on YouTube or another platform.