IBM Power Ideas Portal


This portal is to open public enhancement requests against IBM Power Systems products, including IBM i. 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 (https://ideas.ibm.com).


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Welcome to the IBM Ideas Portal (https://www.ibm.com/ideas) - Use this site to find out additional information and details about the IBM Ideas process and statuses.

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Status Submitted
Workspace PowerVM
Created by Guest
Created on Oct 23, 2025

RELATED IDEAS

Enable PowerVM Live Partition Mobility (LPM) for DB2 HA clusters using Pacemaker and SBD watchdogs on RHEL9 Power systems

Currently, IBM PowerVM Live Partition Mobility (LPM) fails for RHEL9 DB2 HA clusters that use Pacemaker with SBD (STONITH Block Device), due to the pseries_wdt watchdog driver preventing partition suspend.
This limitation directly impacts IBM DB2 HA mutual failover environments running on Power servers, where LPM cannot be executed without stopping the cluster services.

Requiring manual cluster shutdown before migration defeats the purpose of high availability, adds operational risk, and prevents zero-downtime maintenance on Power Linux platforms.

Allowing PowerVM LPM to coexist with an active SBD watchdog would enable DB2 HA clusters to be migrated live between Power systems with no service interruption — matching the operational capabilities already available to AIX and x86 virtualization environments.

The implementation would require coordination between the PowerVM and Linux kernel development teams to gracefully handle watchdog suspend events during LPM instead of blocking the operation.

Idea priority High

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