Skip to main content
NetApp Knowledge Base

What is a split brain in a MetroCluster configuration?

Views:
1,105
Visibility:
Public
Votes:
0
Category:
metrocluster
Specialty:
metrocluster
Last Updated:

Applies to

  • MetroCluster
  • ONTAP 9
  • Data ONTAP 8

Answer

In a MetroCluster configuration, a split-brain occurs when both sites are serving the same data.

For Example:

  • ClusterA is running in a normal state serving it's own data.
  • ClusterB has performed a Switchover and is serving both it's own data and ClusterA data.

This situation could occur if the communication between sites is lost, then a switchover on disaster is performed from one or both of the sites.

Always ensure that the remote cluster is down before performing a switchover on disaster operation.

Additional Information

additionalInformation_text

 

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.