Storage and Backups-Netapp
How to troubleshoot an ISL down in Fabric MetroCluster (Cisco)
Applies to
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MetroCluster
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Cisco switches
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ISL down
Description
This article is not intended as a comprehensive troubleshooting guide, but as a tool to assist in ISL link troubleshooting. For further assistance please engage NetApp Technical Support via a Technical Support Case.
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Whenever troubleshooting ISL link a number of factors should be considered:
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What is the distance of the ISL links?
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Have the ISL ports been configured correctly as per the installation guide?
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What type of ISL is being used? Direct Link? DWDM?
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What additional components are in the link? Are there any patch panels?
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What is the health of the components on the link?
MetroCluster Kernel table might not be completely populated after an upgrade
Applies to
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MetroCluster
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ONTAP 9.3P8 and earlier
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ONTAP 9.4P2 and earlier
Issue
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A risk called "A Metrocluster Kernel table is not populated correctly." is displayed in ActiveIQ.
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METROCLUSTER AUSO TRIGGER FAILED Autosupport message received during ONTAP upgrade
How to troubleshoot MetroCluster check node errors
Applies to
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MetroCluster
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metrocluster check
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Node errors
Description
MetroCluster check reports errors on the node object:
ClusterA::> metrocluster check show
Last Checked On: mm/dd/yyyy hh:mm:ss
Component Result
------------------- ---------
nodes warning
lifs ok
config-replication ok
aggregates ok
clusters ok
5 entries were displayed.
How to troubleshoot MetroCluster check aggregate errors
Applies to
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MetroCluster
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metrocluster check
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Aggregate errors
Description
MetroCluster check reports errors on the aggregates object:
ClusterA::> metrocluster check show
Last Checked On: mm/dd/yyyy hh:mm:ss
Component Result
------------------- ---------
nodes ok
lifs ok
config-replication ok
aggregates warning
clusters ok
5 entries were displayed.
Cannot login to ATTO bridge from GUI but CLI works
Applies to
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ATTO
7500N FibreBridge
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Firmware 2.90
Issue
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The ATTO bridge is not accepting logins from the GUI.
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Otherwise, the bridge is functioning normally and logins via the serial console or telnet work with no issues.
How to configure Cisco Discovery Protocol (CDP) in a MetroCluster IP
Applies to
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MetroCluster IP
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CDP
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ONTAP 9.6 and earlier
Description
This article describes how to enable CDP in a MetroCluster IP environment.
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CDP should be enabled on all the nodes part of the MetroCluster IP prior to ONTAP 9.7
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It is enabled by default in ONTAP for cluster ports, but must be enabled explicitly for the other ports.
