CreateContainerConfigError: failed to prepare subPath for volumeMount "volume-name" of container "container-name"

Solution In Progress - Updated -

Issue

  • Prometheus container inside the pod prometheus-k8s-xxx cannot mount the prometheus-db volume

      //1.1.1.1:8443/metrics msg="append failed" err="WAL log samples: log series: write /prometheus/wal/031880: input/output error" level=warn ts=2020-01-30T09:05:12.3008117Z caller=scrape.go:713 component="scrape manager" scrape_pool=openshift-monitoring/node-exporter/0 target=https://1.1.1.1:9100/metrics msg="append failed" err="WAL log samples: log series: write /prometheus/wal/031880: input/output error" level=warn ts=2020-01-30T09:05:12.301054093Z caller=scrape.go:717 
    
  • The logs from sosreport/sos_commands/origin/journalctl_--no-pager_--unit_atomic-openshift-node shows the error below:

    failed to prepare subPath for volumeMount "prometheus-k8s-db" of container "prometheus"
    

Environment

  • Red Hat OpenShift Container Platform(OCP) 3.11
  • Red Hat OpenShift Container Storage(OCS) 3.11

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