SBD Stonith fails silently (OPENAIS HEARTBEAT CLUSTER)

This document (7004306) is provided subject to the disclaimer at the end of this document.

Environment

SUSE Linux Enterprise Server 11
SUSE Linux Enterprise Server 10 Service Pack 2

Situation

Setup of cluster is successful. Resources and SBD STONITH are configured. Despite everything seemingly being ok the cluster goes passive the moment a node fails.

Resolution

Heartbeat as well as openais select the Name of the node via

hostname

and use it case-sensitive. During the creation of a SBD partition the hostname is written to the slots in-case-sensitive.

So in a setup with Server1 and Server2 as 2 nodes of a cluster, the slots on the partition are named

   server1
   server2

during fencing, the cluster tries to issue a reset to a slot according to hostname, for example "Server2",
but as the slot is named "server2" this fails.

The solution at the moment is not to use uppercase in hostname.


Disclaimer

This Support Knowledgebase provides a valuable tool for SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.

  • Document ID:7004306
  • Creation Date: 26-Aug-2009
  • Modified Date:03-Mar-2020
    • SUSE Linux Enterprise Server

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