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Storage and Backups-Netapp

How to troubleshoot an ISL down in Fabric MetroCluster (Cisco)

Applies to

  • MetroCluster
  • Cisco switches
  • 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.

  • Whenever troubleshooting ISL link a number of factors should be considered:
  • What is the distance of the ISL links?
  • Have the ISL ports been configured correctly as per the installation guide?
  • What type of ISL is being used? Direct Link? DWDM?
  • What additional components are in the link? Are there any patch panels?
  • What is the health of the components on the link?

MetroCluster Kernel table might not be completely populated after an upgrade

Applies to

  • MetroCluster
  • ONTAP 9.3P8 and earlier
  • ONTAP 9.4P2 and earlier

Issue

  • A risk called "A Metrocluster Kernel table is not populated correctly." is displayed in ActiveIQ.
  • METROCLUSTER AUSO TRIGGER FAILED Autosupport message received during ONTAP upgrade
Read article

How to troubleshoot MetroCluster check node errors

Applies to

  • MetroCluster
  • metrocluster check
  • 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.

Read article

How to troubleshoot MetroCluster check aggregate errors

Applies to

  • MetroCluster
  • metrocluster check
  • 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.

Read article

Cannot login to ATTO bridge from GUI but CLI works

Applies to

  • ATTO 7500N FibreBridge
  • Firmware 2.90

Issue

  • The ATTO bridge is not accepting logins from the GUI.
  • Otherwise, the bridge is functioning normally and logins via the serial console or telnet work with no issues.
Read article

How to configure Cisco Discovery Protocol (CDP) in a MetroCluster IP

Applies to

  • MetroCluster IP
  • CDP
  • ONTAP 9.6 and earlier

Description

This article describes how to enable CDP in a MetroCluster IP environment.

  • CDP should be enabled on all the nodes part of the MetroCluster IP prior to ONTAP 9.7
  • It is enabled by default in ONTAP for cluster ports, but must be enabled explicitly for the other ports.
Read article