Table of contents
This page describes what to do in case of an Icinga alert. For more information you could search the govuk-puppet repo for the source of the alert

Defined CPU type does not match

We have two types of VM hosts that use either Intel or AMD processors. Some VMs have significant performance degradation when on the AMD CPUs and thus should live on the more performant Intel processor-based hosts.

If an alert reports that the defined CPU model name does not match what it has been defined with, we should firstly try to find out why (has the machine been recently rebuilt or vMotioned?) and then migrate the VM to the correct host.

More about Icinga alerts

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