Part IV Maintenance and upgrade #
- 27 Executing maintenance tasks
To perform maintenance tasks on the cluster nodes, you might need to stop the resources running on that node, to move them, or to shut down or reboot the node. It might also be necessary to temporarily take over the control of resources from the cluster, or even to stop the cluster service while resources remain running.
This chapter explains how to manually take down a cluster node without negative side-effects. It also gives an overview of different options the cluster stack provides for executing maintenance tasks.
- 28 Upgrading your cluster and updating software packages
This chapter covers two different scenarios: upgrading a cluster to another version of SUSE Linux Enterprise High Availability (either a major release or a service pack) as opposed to updating individual packages on cluster nodes. See Section 28.2, “Upgrading your cluster to the latest product version” versus Section 28.3, “Updating software packages on cluster nodes”.
If you want to upgrade your cluster, check Section 28.2.1, “Supported upgrade paths for SLE HA and SLE HA Geo” and Section 28.2.2, “Required preparations before upgrading” before starting to upgrade.