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NetApp Knowledge Base

The mtuCheckFailure alert is detected after Element software upgrade

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Category:
element-software
Specialty:
solidfire
Last Updated:

Applies to

NetApp Element Software 12.3

Issue

Below mtuCheckFailure is detected after Element software upgrades from 11.5 to 12.3.
 
mtuCheckFailure
Failed to send messages between nodes using the maximum configured MTU (9000). Messages between the following nodes failed: { 9 -> 22, 16 -> 9, 22 -> 9, 26 -> 9 }. Incorrect MTU settings can prevent garbage collection from running and cause performance problems.
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