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Displaying posts with tag: RHEL/CentOS (reset)
How to fix your PRM cluster when upgrading to RHEL/CentOS 6.4

If you are using Percona Replication Manager (PRM) with RHEL/CentOS prior to 6.4, upgrading your distribution to 6.4 may break your cluster. In this post I will explain you how to fix your cluster in case it breaks after a distribution upgrade that implies an update of pacemaker from 1.1.7 to 1.18. You can also follow the official documentation here.

The version of Pacemaker (always considered as Technology Preview by RedHat) provided with 6.4 is 1.1.8-x which is not 100% compatible with 1.1.7-x see this report.

So if you want to upgrade, you cannot apply any rolling upgrade process. So like for Pacemaker 0.6.x to 1.0.x, you need again to update all nodes as once. As notified in …

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