Learn why FC LIFs may go offline during an ONTAP upgrade due to missing configurations in the broadcast domain. Discover how to troubleshoot and resolve this issue.
Table of Contents
Question
During an ONTAP upgrade, the administrator notices that several FC LIFs are in an offline state.
In this scenario, what would cause this problem?
A. The failover group is missing a configuration.
B. The broadcast domain is missing a configuration.
C. The personality is set to initiator.
D. The SAN LIFs remain on an offline node.
Answer
B. The broadcast domain is missing a configuration.
Explanation
If FC LIFs are in an offline state during an ONTAP upgrade, the most likely cause is that the broadcast domain is missing a required configuration (B).
A broadcast domain defines a set of network ports that will receive broadcast traffic from any other port within the same domain. In an ONTAP environment, LIFs are associated with a broadcast domain. If the broadcast domain is not properly configured, it can lead to LIFs going offline.
The other options are less likely to be the root cause:
A. A missing failover group configuration would not directly cause LIFs to go offline during an upgrade. Failover groups determine where LIFs can fail over to, but do not control their online/offline state.
C. The LIF personality (initiator or target) affects how the LIF behaves, but an incorrect personality setting alone would not typically cause LIFs to go offline during an upgrade.
D. While SAN LIFs remaining on an offline node could cause them to be offline, this is more of a symptom than the underlying cause. The missing broadcast domain configuration is the likely reason the LIFs are offline in the first place.
To resolve this issue, the administrator should verify the broadcast domain configuration and ensure all necessary ports are properly assigned. Once the configuration is corrected, the FC LIFs should come back online.
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