Docker clients are unable to connect to docker and app nodes show all pods in an "Unknown" status
Issue
-
Docker service is running but clients are unable to connect to docker (e.g.
docker ps
)# docker ps Cannot connect to the Docker daemon. Is the docker daemon running on this host?
-
All pods are in an "Unknown" state except for the Twistlock pod which is in a "NodeLost" state.
$ oc get pods NAME READY STATUS RESTARTS AGE twistlock-defender-ds-pfwq4 1/1 NodeLost 1 1d logging-fluentd-2-hnr22 1/1 Unknown 1 1d hawkular-cassandra-1-smb5r 0/1 Unknown 0 1d hawkular-metrics-kmrqs 0/1 Unknown 225 1d
Environment
OpenShift Container Platform
- OpenShift Container Platform 3.7
Twistlock
- Twistlock 2.2
- Twistlock 2.3
- Twistlock 2.4 (when using a blocking policy)
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