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MetroCluster monitoring failed in Unified Manager 7.2 with Reason: An internal error has occurred during MetroCluster component refresh due to stale (moved) bridges in DB

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Category:
oncommand-unified-manager
Specialty:
om
Last Updated:

Applies to

OnCommand Unified Manager (OCUM) 7.2 only
Any MetroCluster (MCC) version interoperable with OCUM 7.2

Issue

  • In "Configuration" menu, "Cluster Data Sources" tab, MCC clusters will have this message in Description column: "Monitoring failed..."

mcc-1.png

  • Event created with title "Event: Cluster Monitoring Failed" and Trigger Condition: "Monitoring failed for cluster <MCC-CLUSTER>. Reason: An internal error has occurred during MetroCluster component refresh. Contact technical support."

mcc-1(1).png

Collecting a support bundle, or directly looking at collected log "ocum-error.log", will have the following entry: 


"ERROR [oncommand] [collection-completion-0] [c.n.d.i.m.MccFabricConfigDiscoveryHandler] MetroCluster monitoring failed for <MCC-CLUSTER>"

2017-11-24 14:03:14,638 ERROR [oncommand] [reconcile-0] [(incremental@14:03:05.700)] [c.n.dfm.collector.OcieJmsListener] Error during MetroCluster component monitoring : Could not execute JDBC batch update
com.netapp.dfm.ontap.outbound.zapi.OcumMonitoringFailedException: Could not execute JDBC batch update

Caused by: org.hibernate.exception.ConstraintViolationException: Could not execute JDBC batch update

Caused by: java.sql.BatchUpdateException: Duplicate entry '200000108670aec0' for key 'Bridge_wwn_UQ'

Caused by: java.sql.SQLIntegrityConstraintViolationException: Duplicate entry '200000108670aec0' for key 'Bridge_wwn_UQ'

 

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