OpenShift PVC Mount failure: already contains mpath_member

A while ago, the VMs that hosted my OpenShift platform were rebooted. For most of it, all nodes and containers came back gracefully. However, there were a few containers that did not start because they had Persistent Volumes Claims to Continue reading OpenShift PVC Mount failure: already contains mpath_member

OpenShift system:admin requires credentials

As outlined in this issue, you may run into a problem where you want to log into the OpenShift cluster as system:admin from one of your master nodes but it keeps asking for credentials. There are probably several solutions to Continue reading OpenShift system:admin requires credentials

Run an OpenShift pod on a specific node by hostname

In your pod or buildconfig yaml you can specify which nodes the pod should run on, generally by specifying one or more of the labels assigned to the appropriate nodes. For instance {“zone”:”east”}. Sometimes you want to be more specific Continue reading Run an OpenShift pod on a specific node by hostname

Docker image pull timeout in OpenShift during build or deploy

The default time that OpenShift waits to pull an image during a build or deploy may not be long enough, especially if your images are getting quite large or the network is slow. In those cases you may see a Continue reading Docker image pull timeout in OpenShift during build or deploy