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In section 4.1 "Specify Advanced Installer Variables", remove references to openshift_storage_glusterfs_registry_image, openshift_storage_glusterfs_registry_block_image, and openshift_storage_glusterfs_registry_heketi_image, as these variables are not documented in https://github.com/openshift/openshift-ansible/tree/master/roles/openshift_storage_glusterfs.



Reproducible: Always



Expected Results:  
It is recommended to specify image names and version tags for all containerized components. This is primarily to prevent components, particularly the Red Hat Gluster Storage pods, from upgrading after an outage which may lead to a cluster of widely disparate software versions. The relevant variables are:
- openshift_storage_glusterfs_image
- openshift_storage_glusterfs_block_image
- openshift_storage_glusterfs_heketi_image