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VMware Cookbook, 2nd Edition
book

VMware Cookbook, 2nd Edition

by Ryan Troy, Matthew Helmke
June 2012
Intermediate to advanced content levelIntermediate to advanced
364 pages
8h 44m
English
O'Reilly Media, Inc.
Content preview from VMware Cookbook, 2nd Edition

Chapter 4. Resource and vCenter Management

Resource management is key in any virtualized environment. In the context of VMware ESXi and vSphere, resource management includes clustering, HA, and the DRS. This chapter takes a look at the available technologies and how they work together to help you manage your environment effectively. We’ll explore:

vSphere clusters

Clusters within the ESXi environment allow you to pool multiple physical ESXi hosts to create a virtual pool of resources from the combined resources of all of the ESXi hosts. The three main elements of VMware clustering are the DRS, fault tolerance, and HA.

vSphere HA

This provides you with a cost-effective and intelligent engine that can provide high availability within your ESXi cluster. For example, if you have a four-node cluster and one node in the cluster goes down, you can configure HA to automatically start up the virtual machines from the failed node on any remaining node that has available resources.

vSphere DRS

The DRS actively monitors all virtual machines in a cluster and manages their resources. DRS can be configured to provide you, the administrator, with guidelines on which virtual machines can benefit from being moved to another host. You can also configure DRS to automatically take care of the migration through vMotion.

In this chapter we will discuss various aspects of these technologies and how to configure, set up, and maintain resources in vCenter.

Monitoring Virtual Machines Inside the vSphere Cluster

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Publisher Resources

ISBN: 9781449340452Errata Page