What is the meaning of each kubernetes openshift mount object mentioned in /proc/self/mounts of the node?

Solution Verified - Updated -

Issue

  • In /proc/self/mounts one can see that these are some openshift mounts.
# grep /var/lib/origin/openshift /proc/self/mounts
tmpfs /var/lib/origin/openshift.local.volumes/pods/98b96f5c-880f-11ea-bb12-fa163e5d09cf/volumes/kubernetes.io~secret/service-catalog-controller-token-4gjsx tmpfs rw,seclabel,relatime 0 0
tmpfs /var/lib/origin/openshift.local.volumes/pods/8669e86a-883d-11ea-bb12-fa163e5d09cf/volumes/kubernetes.io~secret/default-token-jjntq tmpfs rw,seclabel,relatime 0 0
tmpfs /var/lib/origin/openshift.local.volumes/pods/ee7436b1-880f-11ea-bb12-fa163e5d09cf/volumes/kubernetes.io~secret/serving-cert tmpfs rw,seclabel,relatime 0 0
tmpfs /var/lib/origin/openshift.local.volumes/pods/8ba65a8b-880d-11ea-bb12-fa163e5d09cf/volumes/kubernetes.io~secret/sdn-token-jvpvf tmpfs rw,seclabel,relatime 0 0
tmpfs /var/lib/origin/openshift.local.volumes/pods/98b96f5c-880f-11ea-bb12-fa163e5d09cf/volumes/kubernetes.io~secret/service-catalog-ssl tmpfs rw,seclabel,relatime 0 0
tmpfs /var/lib/origin/openshift.local.volumes/pods/ee7436b1-880f-11ea-bb12-fa163e5d09cf/volumes/kubernetes.io~secret/apiserver-token-kp69r tmpfs rw,seclabel,relatime 0 0
tmpfs /var/lib/origin/openshift.local.volumes/pods/a97a8fd0-8934-11ea-bb12-fa163e5d09cf/volumes/kubernetes.io~secret/certs tmpfs rw,seclabel,relatime 0 0
tmpfs /var/lib/origin/openshift.local.volumes/pods/a97a8fd0-8934-11ea-bb12-fa163e5d09cf/volumes/kubernetes.io~secret/aggregated-logging-fluentd-token-z49bs tmpfs rw,seclabel,relatime 0 0
  • What is the meaning of each kubernetes object comes under the following path /var/lib/origin/openshift.local.volumes/pods/<pod-uid>/volume-subpaths?

Environment

  • Red Hat Openshift Container Platform 3.x

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