After upgrade my elasticsearch node selectors are gone

Solution Verified - Updated -

Issue

  • We decided after experiencing very bad performances with NFS (Not recommended for Lucene) to switch to local storage on dedicated nodes
  • Due to the node label selector which should be dedicated per deployment configs so as to avoid having the pod moving from nodes to nodes.
  • It is not so obvious in the documentation as the openshift_logging_es_nodeselector expects a single value and therefore that logic needs to be done post-deployment and not covered by the Ansible automation.

Environment

  • Red Hat OpenShift Container Platform
    • 3.7

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