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Status Not under consideration
Workspace GDPS
Created by Guest
Created on Oct 5, 2023

RELATED IDEAS

Provide the possibility of having a consistent copy in Region A when we are in a Region Switch situation (Production in REGion B) in the GDPS MGM3SITE solution.

See this idea on ideas.ibm.com

It is very dangerous to propose a Region Switch in MGM3SITE, since in that situation we will not have a consistent copy in Region A (copy between Region b and A in Global Copy format). In this situation if we have a problem in Region B, the data in Region A is not consistent.

We think that a GDPS MGM3SITE solution should have the possibility of activating a Global Mirror copy between Region B and A in a Region Switch situation.

Idea priority Medium
  • Guest
    Reply
    |     Feb 7, 2024
    After giving the request a comprehensive review, we have determined that we cannot include it as a candidate in an upcoming release because it is not consistent with the product architecture and our strategy for future releases. Note that GDPS MGM3SITE was designed for clients that require out-of-region DR capability & perform on-demand DR testing via FC whereas GDPS MGM4SITE was designed for clients that require out-of-region DR & perform region switching to verify it. We suggest that you consider GDPS MGM4SITE.
  • Guest
    Reply
    |     Jan 31, 2024

    We agree. A consistent copy is important in all situations.

  • Guest
    Reply
    |     Jan 29, 2024

    FIS/Worldpay agrees.

  • Guest
    Reply
    |     Jan 17, 2024

    Does not apply to us as we have all MGM4SITE environments, but I would have thought it essential for any planned region switch process.

  • Guest
    Reply
    |     Jan 16, 2024

    GMFC will be an "easy" solution for sites with some distance between Region A and B.

    Switching to a synchronous copy mode for sites that Regions A and B are actually in the same physical environment will be better. This is our case.

  • Guest
    Reply
    |     Jan 14, 2024

    Could be that, reverse re-sync from Region B to Region A initially has to be global copy & once a near consistency is reached then activate global mirror copy.

  • Guest
    Reply
    |     Nov 3, 2023 
    Yes, obviously having GMFC in Region A
  • Guest
    Reply
    |     Oct 5, 2023

    Obviously we will have to provide the GMFC in Region A (for example in A.RS1)

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