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zCX Foundation for OpenShift

IBM Active z/OS
Application - Other Supporting Services UNIX and Windows
Vendor
IBM
Categories
3
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Product Overview

zCX Foundation for OpenShift provides a platform for deploying Red Hat OpenShift containers on z/OS. It creates a dedicated z/OS address space for OpenShift, enabling integration with z/OS resources and capabilities. This is similar in function to z/OS Container Extensions (zCX) but is tailored for OpenShift containers rather than Docker containers.

The architecture includes several key components: the OpenShift control plane, compute nodes running within z/OS address spaces, and the container runtime. Communication between these components uses standard Kubernetes protocols, such as gRPC and HTTP/2. The OpenShift API, a REST API, is exposed for programmatic interaction.

Configuration is managed through OpenShift YAML files and z/OS parmlib members. Security is integrated with z/OS Security Server (RACF, ACF2, or Top Secret), supporting role-based access control (RBAC) for fine-grained permission management. Monitoring and logging are facilitated through OpenShift's built-in tools like Prometheus and Elasticsearch, with integration options for z/OS monitoring tools, such as IBM Z Monitoring Suite.

Network requirements include standard Kubernetes networking configurations and z/OS network connectivity.

Frequently Asked Questions

What is zCX Foundation for OpenShift?

zCX Foundation for OpenShift allows you to deploy Red Hat OpenShift containers on z/OS. It provides a dedicated z/OS address space for running OpenShift workloads, enabling integration with z/OS resources and capabilities.

How does zCX Foundation for OpenShift differ from z/OS Container Extensions (zCX)?

zCX Foundation for OpenShift is similar to z/OS Container Extensions (zCX) but is specifically designed for OpenShift containers. zCX supports Docker containers, while zCX Foundation for OpenShift supports OpenShift containers.

How are containers managed in zCX Foundation for OpenShift?

zCX Foundation for OpenShift uses standard OpenShift commands and interfaces for managing containers. Configuration files are primarily OpenShift YAML files for defining deployments, services, and other resources.

How does zCX Foundation for OpenShift integrate with z/OS?

zCX Foundation for OpenShift leverages z/OS capabilities for resource management, security, and high availability. It integrates with z/OS workload manager (WLM) for resource allocation and monitoring.

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