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The proof-of-concept private cloud test infrastructure matched the minimal non-high availability configuration in the Lenovo Cloud Reference Architecture for Red Hat Enterprise Linux OpenStack Platform. Our testbed consisted of two Lenovo System x3650 M5 compute nodes, a single Lenovo System x3650 M5 Cinder node, a Lenovo System x3550 M5 OpenStack controller node, and a Lenovo System x3550 M5 Red Hat Enterprise Linux OpenStack Platform Director server. We used this small-scale private cloud test infrastructure to demonstrate the setup and functionality of the Lenovo OpenStack reference architecture. As it is a scale out architecture, it can grow to a significant size and can support additional VMs and workloads, simply by adding more compute and storage nodes. See the Lenovo Cloud Reference Architecture for Red Hat Enterprise Linux OpenStack Platform for other sizing and high availability options.
Also worth noting is the validation testing performed as a part of this deployment guide. Our relational database workload was I/O intensive, which placed particular stress on the single Cinder storage node. Even so, this entry-level configuration showed it had room to support additional RAM and CPU-focused workloads beyond what was tested. A scalable cloud architecture, such as this Lenovo OpenStack reference architecture, is capable of supporting many different types of workloads, such as DevOps applications, Big Data applications (e.g. Hadoop® and Apache™ Spark), and distributed NoSQL database applications (e.g. Cassandra and MongoDB®). Given the flexibility of the Lenovo Cloud Reference Architecture for Red Hat Enterprise Linux OpenStack Platform, if one needed additional capacity, one could simply add additional compute nodes for compute-intensive applications or add additional Cinder storage nodes for storage-intensive applications.
A private cloud infrastructure can bring your business flexibility and scalability while providing greater control over your infrastructure, applications, and data. Within this reference architecture, Lenovo’s Performance Rack Servers, Lenovo XClarity Administrator tool and Red Hat OpenStack Platform software are designed to come together to deliver a customizable private cloud solution to meet a wide variety of business workloads. As demonstrated in this guide, deploying and managing Red Hat Enterprise Linux OpenStack Platform 7 with XClarity Administrator on your Lenovo System x3650 M5 and x3550 M5 servers is a straightforward process that can result in a scalable, flexible, and reliable private cloud infrastructure.