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Use only one sbd_device instance attribute for SBD partitions

This document (7010925) is provided subject to the disclaimer at the end of this document.


SUSE Linux Enterprise High Availability Extension 11 (HAE)
Split Brain Detection (SBD) Partitions


There are multiple sbd_device instance attributes defined for the cluster SBD partitions.
# cibadmin -Q
 <primitive class="stonith" id="stonith-sbd" type="external/sbd">
   <instance_attributes id="stonith-sbd-instance_attributes">
     <nvpair id="stonith-sbd-instance_attributes-sbd_device" name="sbd_device" value="/dev/sdb1"/>
     <nvpair id="stonith-sbd-instance_attributes-sbd_device-0" name="sbd_device" value="/dev/sdc1"/>
     <nvpair id="stonith-sbd-instance_attributes-sbd_device-1" name="sbd_device" value="/dev/sdc2"/>
   <meta_attributes id="stonith-sbd-meta_attributes">
     <nvpair id="stonith-sbd-meta_attributes-target-role" name="target-role" value="Started"/>

The /etc/sysconfig/sbd configuration file shows three SBD partitions.
# cat /etc/sysconfig/sbd


Delete all sbd_device instance attributes and create one with the value defined in the /etc/sysconfig/sbd configuration file.

1. Remove the existing SBD resource, where --resource is the id specified in the primitive directive, as from the example above: <primitive class="stonith" id="stonith-sbd" type="external/sbd">
crm_resource --delete --resource stonith-sbd --resource-type primitive

2. Create a new SBD resource with the correct values found in the /etc/sysconfig/sbd configuration file (for this example: SBD_DEVICE="/dev/sdb1;/dev/sdc1;/dev/sdc2").
crm configure primitive stonith_sbd stonith:external/sbd params sbd_device="/dev/sdb1;/dev/sdc1;/dev/sdc2"
crm configure primitive stonith_sbd stonith:external/sbd

The second example will cause the cluster to use the values in the /etc/sysconfig/sbd file. The resource should look like something like the following when done.
# cibadmin -Q
<primitive class="stonith" id="stonith_sbd" type="external/sbd">
  <instance_attributes id="stonith_sbd-instance_attributes">
    <nvpair id="stonith_sbd-instance_attributes-sbd_device" name="sbd_device" value="/dev/sdb1;/dev/sdc1;/dev/sdc2"/>


There should only be zero or one sbd_device instance attributes in the CIB database. If it has a value, it should be the same value as the /etc/sysconfig/sdb SBD_DEVICE variable. Behavior is undefined when the values do not match.


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:7010925
  • Creation Date: 12-Oct-2012
  • Modified Date:07-Jun-2022
    • SUSE Linux Enterprise High Availability Extension

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