Critical alerts are firing causing ROSA HCP cluster upgrade fail

Environment

• Red Hat OpenShift on AWS (ROSA)

Issue

• Check SL found below message

Control Plane upgrade maintenance failed 
Control plane upgrade failed: found 2 critical alerts

Resolution

• Check the openshift console to see if there are critical alerts firing and solve the related issue to silence the alert can help to solve the issue.

Below is a sample page of critical alerts that are firing.

Root Cause

• There are pre-flight check before ROSA HCP cluster upgrade , critical alert firing is one of the check item

Diagnostic Steps

• Check the openshift console to see if there are critical alerts firing and solve the related issue to silence the alert can help to solve the issue

This solution is part of Red Hat’s fast-track publication program, providing a huge library of solutions that Red Hat engineers have created while supporting our customers. To give you the knowledge you need the instant it becomes available, these articles may be presented in a raw and unedited form.