Cluster receiving ACMRemoteWriteError alert

Solution Verified - Updated -


  • Cluster received ACMRemoteWriteError alert.

  • Alert message may like below:

alertname = ACMRemoteWriteError
code = 400
container = observatorium-api
namespace = open-cluster-management-observability
pod = observability-observatorium-api-12345ab123-5abcd
prometheus = openshift-monitoring/k8s
description = There are errors when sending requests to remote write endpoint: thanos-receiver
summary = Error in remote write.


  • Red Hat Advanced Cluster Management for Kubernetes 2.5
  • Red Hat OpenShift 4.9, 4.10

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