Skip to main content
NetApp Knowledge Base

Cluster monitoring failed in OnCommand Unified Manager with internal error: expected one element but was

Views:
1,091
Visibility:
Public
Votes:
2
Category:
oncommand-unified-manager
Specialty:
legacy
Last Updated:

Applies to

  • OnCommand Unified Manager (OCUM) 7.2+
  • Active IQ Unified Manager 9.6+
  • NetApp MetroCluster (MCC)

Issue

  • A new event is created with the following trigger condition

Monitoring failed for cluster <clustername>. Reason: An internal error has occurred during MetroCluster component refresh

  • The error listed below should be present in ocumserver.log file

ERROR [oncommand] [reconcile-5] [<example_ip>(incremental@00:04:02.256)] [c.n.dfm.collector.OcieJmsListener] Error during MetroCluster component monitoring : expected one element but was: <[Brocade_192.168.0.2:FC port0/21:Brocade_192.168.0.3:FC port 0/17], [Brocade_192.168.0.2:FC port 0/21:Brocade_192.168.0.3:FC port 0/21]>

ERROR [oncommand] [reconcile-3] [<example_ip>(incremental@00:19:01.871)] [c.n.dfm.collector.OcieJmsListener] Error during MetroCluster component monitoring : expected one element but was: <[Brocade_192.168.0.2:FC port 0/23:Brocade_192.168.0.3:FC port 0/18], [Brocade_192.168.0.2:FC port 0/23:Brocade_192.168.0.3:FC port 0/23]>

  • In this specific case, we can see that port 21 from the switch 192.168.0.3 is connected to two different ports (17, 21) on the switch 192.168.0.2 

Note: Please find the log file location in the What are the notable log files and their respective locations? article

 

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

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.