Part V Appendix #

Strange problems may occur that are not easy to understand, especially when starting to experiment with High Availability. However, there are several utilities that allow you to take a closer look at the High Availability internal processes. This chapter recommends various solutions.

This guide uses the following naming conventions for cluster nodes and names, cluster resources, and constraints.

SUSE Linux Enterprise High Availability ships with a comprehensive set of tools to assists you in managing your cluster from the command line. This chapter introduces the tools needed for managing the cluster configuration in the CIB and the cluster resources. Other command line tools for managing r…

All cluster nodes must be able to access each other via SSH. Tools like crm report (for troubleshooting) and Hawk2's History Explorer require passwordless SSH access between the nodes, otherwise they can only collect data from the current node.