To support cluster administrators that prioritize high security by running their clusters in internet-disconnected environments, especially for mission-critical production workloads, {olmv1-first} includes cluster extension lifecycle management functionality that works within these disconnected environments, starting in {product-title} 4.18.
* xref:../../disconnected/installing-mirroring-disconnected.adoc#installing-mirroring-disconnected[Mirroring images for a disconnected installation using the oc-mirror plugin v1]
* xref:../../disconnected/about-installing-oc-mirror-v2.adoc#about-installing-oc-mirror-v2[Mirroring images for a disconnected installation using the oc-mirror plugin v2]