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IBM Data and AI Ideas Portal for Customers

This portal is to open public enhancement requests against products and services offered by the IBM Data & AI organization. To view all of your ideas submitted to IBM, create and manage groups of Ideas, or create an idea explicitly set to be either visible by all (public) or visible only to you and IBM (private), use the IBM Unified Ideas Portal (

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IBM Employees should enter Ideas at

Status Not under consideration
Workspace Db2
Created by Guest
Created on Sep 25, 2019

HADR PS MEM restore


Needed by Date Oct 31, 2019
  • Guest
    Sep 25, 2019

    It is a pureScale HADR system encountering hardware issue on one host in the primary cluster, so customer needs to replace this bad host with a new host. Currently the only way to achieve this is via DROP MEMBER then ADD MEMBER. But these commands break HADR, so they are currently blocked. We document the procedure to drop member has to disable HADR then reinitialize after.

    Reinitializing HADR can be expensive, so looking for an alternative. Obviously if HADR can support DROP MEMBER we would not have this restriction , and we only want to replace the bad host , not changing any database topology , so this item is to ask if we can provide a more direct interface to replace a bad host, without having to affect the database topology.