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CentOS High Availability
book

CentOS High Availability

by Mitja Resman
April 2015
Intermediate to advanced content levelIntermediate to advanced
174 pages
3h 46m
English
Packt Publishing
Content preview from CentOS High Availability

Fencing test

When you configure a task as important as fencing, it is necessary to test it to make sure it works as expected. Luckily, the developers of such cluster software are also aware of this fact, and you can easily manage and test the fencing configuration with the fence_check, fence_tool, and fence_node commands.

  • fence_check: This command is used to check the fencing configuration in the CMAN configuration file. The fence_check command checks whether the configured fence devices and cluster node fencing methods used are valid or not, and provides a verbose output.
  • fence_tool: The fence_tool command can be used to print information about the fence domain and also remove or join the cluster node from or to the fence domain.
  • fence_node: The ...
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Publisher Resources

ISBN: 9781785282485Supplemental Content