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Learn OpenShift

You're reading from   Learn OpenShift Deploy, build, manage, and migrate applications with OpenShift Origin 3.9

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Product type Paperback
Published in Jul 2018
Publisher Packt
ISBN-13 9781788992329
Length 504 pages
Edition 1st Edition
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Concepts
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Authors (3):
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Denis Zuev Denis Zuev
Author Profile Icon Denis Zuev
Denis Zuev
LinkedIn
Denis Zuev is a worldwide IT expert with 10+ years' experience. Some people in the industry think that he is not human, and not without reason. His areas of expertise are networks, servers, storage, the cloud, containers, DevOps, SDN/NFV, automation, programming, and web development; you name it, he can do it. He is also known for his certification achievements. At the moment, he holds the following expert-level industry certifications: RHCI, RHCA.VI, 6xCCIE, 4xJNCIE, CCDE, HCIE, and VCIX-NV. He is a contractor and an instructor who works with top companies, including Cisco, Juniper, Red Hat, and ATT.
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See other products by Denis Zuev
Aleksey Usov Aleksey Usov
Author Profile Icon Aleksey Usov
Aleksey Usov
LinkedIn
Aleksey Usov has been working in the IT industry for more than 8 years, including in the position of infrastructure architect on projects of a national scale. He is also an expert in Linux with experience encompassing various cloud and automation technologies, including OpenShift, Kubernetes, OpenStack, and Puppet. At the time of writing, he holds the highest Red Hat certification level in CIS and Russia – RHCA Level XIV.
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See other products by Aleksey Usov
Artemii Kropachev Artemii Kropachev
Author Profile Icon Artemii Kropachev
Artemii Kropachev
LinkedIn
Artemii Kropachev is a worldwide IT expert and international consultant with more than 15 years' experience. He has trained, guided, and consulted hundreds of architects, engineers, developers, and IT experts around the world since 2001. His architect-level experience covers solution development, data centers, clouds, DevOps, middleware, and SDN/NFV solutions built on top of any Red Hat or open source technologies. He also possesses one of the highest Red Hat certification levels in the world – RHCA Level XIX.
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Toc

Table of Contents (24) Chapters Close

Preface 1. Containers and Docker Overview FREE CHAPTER 2. Kubernetes Overview 3. CRI-O Overview 4. OpenShift Overview 5. Building an OpenShift Lab 6. OpenShift Installation 7. Managing Persistent Storage 8. Core OpenShift Concepts 9. Advanced OpenShift Concepts 10. Security in OpenShift 11. Managing OpenShift Networking 12. Deploying Simple Applications in OpenShift 13. Deploying Multi-Tier Applications Using Templates 14. Building Application Images from Dockerfile 15. Building PHP Applications from Source Code 16. Building a Multi-Tier Application from Source Code 17. CI/CD Pipelines in OpenShift 18. OpenShift HA Architecture Overview 19. OpenShift HA Design for Single and Multiple DCs 20. Network Design for OpenShift HA 21. What is New in OpenShift 3.9? 22. Assessments 23. Other Books You May Enjoy

OpenShift single-DC HA design

In the previous chapter, we briefly covered HA OpenShift HA in general, but we didn't discuss how to practically design OpenShift in your data center environment.

Let's recall what main OpenShift components we have and how they provide redundancy:

  • Openshift infrastructure nodes
  • OpenShift master nodes
  • OpenShift nodes
  • Etcd key-value store
  • Persistent storage

OpenShift infrastructure nodes

OpenShift infrastructure nodes are essential components that provide access from the outside of an OpenShift cluster. OpenShift infrastructure nodes scale horizontally, which means that we can add as many nodes as we need in order to add network throughput. If you recall from the previous chapter...

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Authors (3)

Left arrow icon
Profile icon Denis Zuev
Denis Zuev
LinkedIn icon Github icon
Denis Zuev is a worldwide IT expert with 10+ years' experience. Some people in the industry think that he is not human, and not without reason. His areas of expertise are networks, servers, storage, the cloud, containers, DevOps, SDN/NFV, automation, programming, and web development; you name it, he can do it. He is also known for his certification achievements. At the moment, he holds the following expert-level industry certifications: RHCI, RHCA.VI, 6xCCIE, 4xJNCIE, CCDE, HCIE, and VCIX-NV. He is a contractor and an instructor who works with top companies, including Cisco, Juniper, Red Hat, and ATT.
Read more
See other products by Denis Zuev
Profile icon Artemii Kropachev
Artemii Kropachev
LinkedIn icon Github icon
Artemii Kropachev is a worldwide IT expert and international consultant with more than 15 years' experience. He has trained, guided, and consulted hundreds of architects, engineers, developers, and IT experts around the world since 2001. His architect-level experience covers solution development, data centers, clouds, DevOps, middleware, and SDN/NFV solutions built on top of any Red Hat or open source technologies. He also possesses one of the highest Red Hat certification levels in the world – RHCA Level XIX.
Read more
See other products by Artemii Kropachev
Profile icon Aleksey Usov
Aleksey Usov
LinkedIn icon
Aleksey Usov has been working in the IT industry for more than 8 years, including in the position of infrastructure architect on projects of a national scale. He is also an expert in Linux with experience encompassing various cloud and automation technologies, including OpenShift, Kubernetes, OpenStack, and Puppet. At the time of writing, he holds the highest Red Hat certification level in CIS and Russia – RHCA Level XIV.
Read more
See other products by Aleksey Usov
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