Take account of the following recommendations for the container image registry:
- Dell EMC recommends using the Dell EMC Unity 380F All Flash array for image-registry storage.
- Red Hat does not recommend using the Red Hat Enterprise Linux-backed NFS server for image-registry storage, although this is possible for POC implementations.
- Although POC implementations can use “EmptyDir” for image-registry storage, images pushed to the registry are not saved after a reboot.
- The OC commands in this deployment guide configure an NFS-backed Persistent Volume (PV) that is attached to a Unity 380F All-Flash array for image registry storage.
For information about configuring image-registry in bare-metal installations, see the Red Hat OpenShift 4.2 Install documentation.
For information about registry values and configuration, see the Red Hat OpenShift 4.2 Image Registry documentation.