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Cluster Session Manager (CSM) sessions fail with csm.sessionFailed:warning error CSM_CONNABORTED

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Category:
data-ontap-8
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core
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Applies to

  • Clustered ONTAP 8.3.1P1+
  • ONTAP 9

Issue

ONTAP uses Cluster Session Manager (CSM) communication channels to exchange information between nodes in a cluster.

The following issues are seen:

  • Connection failure
  • Application triggering
  • Long idleness

CSM session failures that result from application triggers or long idle sessions pose no risk to the system.
In contrast, connection-related failures should be investigated, and may represent a larger whole issue.

As all three scenarios are presented as csm.sessionFailed:warnings, we must investigate to determine the root cause of the warning.

 

 

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