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NetApp Stage KB

Received event "MetroCluster Tiebreaker unable to reach cluster"

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0
Category:
metrocluster
Specialty:
OM
Last Updated:

Applies to

  • MetroCluster Tiebreaker
  • ONTAP 9

Issue

If there is an issue with the connection between MetroCluster Tiebreaker and one of the ONTAP clusters, an SNMP event message much like the following is received:

Recipients:
storage-management@example.com
Severity:          critical
Node:              ontap9-cluster01-01
Related CI:        ontap9-cluster01-01 [ Type: node]
Application:       NetApp_MetroClusterTieBreaker
Object:            mcctbEvtClusterUnreachable
Category:          SNMP
Policy
Name:       SLV_HPOMMgmtSv_Traps_NetApp_MetroClusterTieBreaker(1.9) [ Type: snmp ]
Policy Condition:  mcctbEvtClusterUnreachable
(SNMPv1)

=========================================================================================
Message
Text:
=========================================================================================
MetroCluster Tiebreaker is unable to reach one of the clusters of MetroCluster setup.

--------------------------------------------------------------------------------
mcctbSystemId:
89a3dcae-92b0-4749-85bd-9edfdaedcfd1d
mcctbEventName:             CLUSTER_UNREACHABLE
mcctbEventSeverity:
1
mcctbEventImpactLevel:      2
mcctbEventMessage           MetroCluster Tiebreaker unable to reach cluster 'ontap9-cluster01' of MetroCluster 'mc_test'
Click for examples of events for an outage as seen from MetroCluster Tiebreaker CLI output.
[ 2021-11-09 01:17:58.269 ] MetroCluster Monitor is initialized
[ 2021-11-09 01:17:58.29 ] Started Discovery and validation of MetroCluster Setup
[ 2021-11-09 01:18:02.535 ] Discovery and validation of MetroCluster Setup succeeded. Started monitoring.
[ 2021-11-09 01:18:03.288 ] NetApp MetroCluster Tiebreaker software is able to reach cluster 'cluster2'
[ 2021-11-09 01:18:03.291 ] NetApp MetroCluster Tiebreaker software is able to reach cluster 'cluster1'
[ 2021-11-09 01:18:03.373 ] Link to remote DR cluster is up for cluster 'cluster2'
[ 2021-11-09 01:18:03.877 ] Link to remote DR cluster is up for cluster 'cluster1'
[ 2021-11-29 12:21:33.673 ] WARNING: NetApp MetroCluster Tiebreaker software is unable to reach cluster 'cluster1'
[ 2021-11-29 12:21:33.818 ] WARNING: NetApp MetroCluster Tiebreaker software is unable to reach both clusters
[ 2021-11-29 12:21:45.842 ] NetApp MetroCluster Tiebreaker software is able to reach cluster 'cluster1'
[ 2021-11-29 12:21:46.029 ] Link to remote DR cluster is up for cluster 'cluster1'
[ 2021-11-29 12:22:12.804 ] NetApp MetroCluster Tiebreaker software is able to reach cluster 'cluster2'
[ 2021-11-29 12:22:12.972 ] Link to remote DR cluster is up for cluster 'cluster2'
[ 2021-11-29 12:43:37.401 ] WARNING: NetApp MetroCluster Tiebreaker software is unable to reach cluster 'cluster1'
[ 2021-11-29 12:43:37.775 ] WARNING: NetApp MetroCluster Tiebreaker software is unable to reach both clusters
[ 2021-11-29 12:43:45.285 ] NetApp MetroCluster Tiebreaker software is able to reach cluster 'cluster2'
[ 2021-11-29 12:43:45.313 ] NetApp MetroCluster Tiebreaker software is able to reach cluster 'cluster1'
[ 2021-11-29 12:43:45.46 ] Link to remote DR cluster is up for cluster 'cluster2'
[ 2021-11-29 12:43:45.483 ] Link to remote DR cluster is up for cluster 'cluster1'

 

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