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Status Under review
Workspace Db2
Components Db2 on-premise
Created by Guest
Created on Jul 28, 2025

Replace a brand new server in a pacemaker cluster

Env
====
DB2 V12.1.1 (Special Build 54779) with HADR setting on RHEL V9.4
  1) HADR Primary : server-1
  2) HADR Standby : server-2
  3) A single ESE : server-3

Steps
====
1) Config server-1 & server-2 as HADR pair
2) Config pacemaker to join server-1 & server-2 as a cluster (pacemaker-managed Db2 instances), refer to IC, we have SoP
    URL : https://www.ibm.com/docs/en/db2/12.1.0?topic=option-creating-pacemaker-managed-hadr-db2-instance

4) Let's say server-2 has HW broken event, it needs to shutdown & repair for 1 week -- waiting for new parts
5) Config server-1 & server-3 as HADR pair asap
    - DBA knows how to re-init database as newer HADR standby
6) How to *Online* replace server-2 to server-3 on pacemaker cluster...??

 

Per current TSA+HADR cluster env, here is the technote for -- Procedure for replacing a server in a TSAMP/RSCT cluster
    URL : https://www.ibm.com/support/pages/procedure-replacing-server-tsamprsct-cluster

Cx would like to request V12.1/pacemaker support the same solution -- to *online* replace server-2 to server-3 on pacemaker cluster...
 

Needed By Quarter
  • Admin
    Siji Daniel
    Oct 21, 2025

    Thank you for submitting this Idea. We are considering it. Please expect an update in the portal within 90 days.
    Thanks

  • Guest
    Jul 29, 2025

    Greatly needed