If you use OKD/OpenShift then most probably you also run internal and private Docker registry for your builds. Cluster uses this to lookup for containers images for further deployment. For basic, default installation your Docker Registry is located in a project called default. It also uses quasi permanent storage which lasts until next redeployment of registry container (pod). There is however a possiblity to mount a NFS volume in the registry deployment configuration so your images which have been pushed onto the registry will not go away in case you need to redeploy registry itself. This need might come if