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Status Delivered
Workspace IBM Spectrum Virtualize / FlashSystem
Created by Guest
Created on Jul 19, 2023

RELATED IDEAS

Realization of FlashCopy restore(reverse FlashCopy) while keeping 3-site HyperSwap relationships

See this idea on ideas.ibm.com

One limitation at this time is that the 3-site HyperSwap relationship must be deleted to perform a reverse FlashCopy, in which case the 3-site HS is reconfigured to cause an initial copy.

Reverse FlashCopy are used as one of the normal operational items, although less frequently, to recover from logical failures and operational errors, and so on.

Reverse FlashCopy is a technique that is also used in SGC, and we recognize that it is not special, but a commonly used feature.

The customer operates several systems with a capacity of around 100TB, so it is necessary to avoid initial copying, especially since it takes a long time to establish remote relationships.

So we request to eliminate this restriction regarding the reverse FlashCopy with 3-site HyperSwap relationships.

When performing a reverse FlashCopy, it is normal to stop all host I/Os to the target VOL and dismount it, so there is no problem in implementing the function based on this assumption.

Idea priority Urgent
  • Admin
    Philip Clark
    Reply
    |     Mar 3, 2025

    Delivered in 8.7.3

  • Admin
    Philip Clark
    Reply
    |     Feb 28, 2024

    This enhancement is planned for Policy-Based HA. It will not be delivered in HyperSwap.

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