The vSphere Resource Management Guide describes resource management for VMware®ESX®, ESXi, and vCenter® Server environments.

This guide focuses on the following topics.

Resource allocation and resource management concepts

Virtual machine attributes and admission control

Resource pools and how to manage them

Clusters, VMware Distributed Resource Scheduler (DRS), VMware Distributed Power Management (DPM), and how to work with them

Advanced resource management options

Performance considerations

The vSphere Resource Management Guide covers ESX®, ESXi, and vCenter® Server.

This manual is for system administrators who want to understand how the system manages resources and how they can customize the default behavior. It’s also essential for anyone who wants to understand and use resource pools, clusters, DRS, or VMware DPM.

This manual assumes you have a working knowledge of VMware  ESX and VMware  ESXi and of vCenter  Server.

VMware Technical Publications provides a glossary of terms that might be unfamiliar to you. For definitions of terms as they are used in VMware technical documentation, go to http://www.vmware.com/support/pubs.

VMware welcomes your suggestions for improving our documentation. If you have comments, send your feedback to docfeedback@vmware.com.

The vSphere documentation consists of the combined VMware vCenter Server and ESX/ESXi documentation set.

The following technical support resources are available to you. To access the current version of this book and other books, go to http://www.vmware.com/support/pubs.

Online and Telephone Support

To use online support to submit technical support requests, view your product and contract information, and register your products, go to http://www.vmware.com/support.

Customers with appropriate support contracts should use telephone support for the fastest response on priority 1 issues. Go to http://www.vmware.com/support/phone_support.html.

Support Offerings

To find out how VMware support offerings can help meet your business needs, go to http://www.vmware.com/support/services.

VMware Professional Services

VMware Education Services courses offer extensive hands-on labs, case study examples, and course materials designed to be used as on-the-job reference tools. Courses are available onsite, in the classroom, and live online. For onsite pilot programs and implementation best practices, VMware Consulting Services provides offerings to help you assess, plan, build, and manage your virtual environment. To access information about education classes, certification programs, and consulting services, go to http://www.vmware.com/services.