Netapp csm.sessionFailed:warning

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I was looking through a bunch of syslog messages for our c-mode systems the other day and came across a repeated message which was:

csm.sessionFailed:warning

It turns out this is Bug ID 987327 which has the following description and goes on to explain that this message can be ignored:

Cluster Session Manager (CSM) sessions that are created for SnapMirror updates remain idle and are deleted after
the timeout with the following warning: CsmMpAgentThread: csm.sessionFailed:warning]: Cluster interconnect session ….. failed with record state ACTIVE and error CSM_CONNABORTED. This warning does not convey any functional impact and can be ignored

The fix to stop the message from logging is to upgrade to Ontap 9.1RC1