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Status Not under consideration
Workspace GDPS
Created by Guest
Created on Jul 15, 2019

RELATED IDEAS

Support of DASD SWITCH HYPERSW RESYNC in GDPS/Metro single leg topology with MTFO=YES

See this idea on ideas.ibm.com

In GDPS/Metro v4.1, the DASD SWITCH HYPERSW RESYNC statement no longer support with TOPOLOGY=MM2SITE and MTFO=YES.

In our site, we have a GDPS/Metro single leg environment for the production with a physically isolated LCP environment using the cascaded Global Mirror from either the PPRC primary or secondary. This setup requires the use of MTFO=YES in the MM2SITE topology.

This has introduce an additional risk to the planned hyperswap event where the alternate site disk is out of sync during the START SECONDARY. Even with the flash copy being taken before the start of PPRC resync, the DR position is aged over time until the PPRC replication is fully back in sync.

Idea priority High
  • Guest
    Reply
    |     Nov 18, 2023
    After giving the request a comprehensive review, we have determined that we cannot include it as a candidate in an upcoming release because it won?t be pursued within our planning cycle.

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