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  • Book Overview & Buying VMware Virtual SAN Cookbook
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VMware Virtual SAN Cookbook

VMware Virtual SAN Cookbook

By : Jeffrey Taylor
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VMware Virtual SAN Cookbook

VMware Virtual SAN Cookbook

5 (1)
By: Jeffrey Taylor

Overview of this book

VMware Virtual SAN is a radically simple, hypervisor-converged storage, designed and optimized for vSphere virtual infrastructure. VMware introduced the software to help customers store more and more virtual machines. As data centers continue to evolve and grow, managing infrastructure becomes more challenging. Traditional storage solutions like monolithic storage arrays and complex management are often ill-suited to the needs of the modern data center. Software-defined storage solutions, like VMware Virtual SAN, integrate the storage side of the infrastructure with the server side, and can simplify management and improve flexibility. This book is a detailed guide which provides you with the knowledge you need to successfully implement and manage VMware VSAN and deployed infrastructures. You will start with an introduction to VSAN and object storage, before moving on to hardware selection, critical to a successful VSAN deployment. Next, you will discover how to prepare your existing infrastructure to support your VSAN deployment and explore Storage policy-Based Management, including policy changes, maintenance, validation, and troubleshooting VSAN. Finally, the book provides recipes to expedite the resolution process and gather all the information required to pursue a rapid resolution.
Table of Contents (13 chapters)
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12
Index

Chapter 1 – VSAN Capacity Planning

As VSAN is a policy-driven storage solution, there is no RAID configuration at the datastore level. All reliability/availability decisions, performance reservations, and so on, are made on a per-VM basis.

Because there is no datastore-level RAID decision being made, VSAN capacity and calculations are based on raw capacity. If you build a VSAN configuration of four nodes with three 2TB HDDs each, the raw capacity of the VSAN datastore will be approximately 24TB.

Capacity will be consumed according to the availability policy specified for each VM. The most typical case is a per-VM mirror. This means that, for the vast majority of all VMs running on VSAN, the datastore usage will be double that of the VM's capacity requirement.

By default, VMs on VSAN are thin-provisioned. You can choose thick-provisioning on a sliding-scale basis (from 0 percent thick to 100 percent thick), and your policy decisions here will also affect the datastore consumption...

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