Cloud & Networking
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You're reading from  Learning PowerCLI - Second Edition

Product typeBook
Published inFeb 2017
Publisher
ISBN-139781786468017
Edition2nd Edition
Tools
PowerCLI
Concepts
Cloud Computing
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Author (1)
Robert van den Nieuwendijk
Robert van den Nieuwendijk
author image
Robert van den Nieuwendijk

Robert van den Nieuwendijk is an IT veteran from the Netherlands with over thirty years of experience in Information Technology. He holds a bachelor degree in software engineering. After working a few years as a programmer of air traffic control and vessel traffic management systems, he started his own company Van den Nieuwendijk Informatica in 1988. Since then he has worked as a freelance systems administrator of OpenVMS, Windows Server, Linux, and VMware vSphere systems, for Dutch governmental organizations and cloud providers. During winter he is also a ski and snowboard instructor at an indoor ski school. With his background as a programmer, he always tries to make his job easier by writing programs or scripts to perform repeating tasks. In the past, he used the C programming language, OpenVMS DCL, Visual Basic Script and KiXtart to do this. Now, he uses Microsoft PowerShell and VMware PowerCLI for all of his scripting work. Robert is a frequent contributor and moderator at the VMware VMTN Communities. Since 2012 VMware awarded him the vExpert title for his significant contributions to the community and a willingness to share his expertise with others. He has a blog at http://rvdnieuwendijk.com where he writes mainly about VMware PowerCLI, Microsoft PowerShell, and VMware vSphere. If you want to get in touch with Robert, then you can find him on Twitter. His username is @rvdnieuwendijk. Robert is also the author of Learning PowerCLI, Packt Publishing.
Read more about Robert van den Nieuwendijk

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Using resource pools

The virtual machines in a vSphere cluster share the resources of the ESXi hosts in the cluster. Resource pools are a way to divide the resources of the cluster into different pools. Virtual machines in a resource pool share the resources of their resource pool. This can be useful to always give a group of virtual machines the resources they need or to limit the number of resources for a group of virtual machines.

Each cluster has a root resource pool named Resources. The resource pools you create are children of the Resources root resource pool or other resource pools in the cluster.

Resource pools and virtual machines have settings that will be explained in the following table:

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Learning PowerCLI - Second Edition
Published in: Feb 2017Publisher: ISBN-13: 9781786468017
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Author (1)

author image
Robert van den Nieuwendijk

Robert van den Nieuwendijk is an IT veteran from the Netherlands with over thirty years of experience in Information Technology. He holds a bachelor degree in software engineering. After working a few years as a programmer of air traffic control and vessel traffic management systems, he started his own company Van den Nieuwendijk Informatica in 1988. Since then he has worked as a freelance systems administrator of OpenVMS, Windows Server, Linux, and VMware vSphere systems, for Dutch governmental organizations and cloud providers. During winter he is also a ski and snowboard instructor at an indoor ski school. With his background as a programmer, he always tries to make his job easier by writing programs or scripts to perform repeating tasks. In the past, he used the C programming language, OpenVMS DCL, Visual Basic Script and KiXtart to do this. Now, he uses Microsoft PowerShell and VMware PowerCLI for all of his scripting work. Robert is a frequent contributor and moderator at the VMware VMTN Communities. Since 2012 VMware awarded him the vExpert title for his significant contributions to the community and a willingness to share his expertise with others. He has a blog at http://rvdnieuwendijk.com where he writes mainly about VMware PowerCLI, Microsoft PowerShell, and VMware vSphere. If you want to get in touch with Robert, then you can find him on Twitter. His username is @rvdnieuwendijk. Robert is also the author of Learning PowerCLI, Packt Publishing.
Read more about Robert van den Nieuwendijk

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Setting

Description

Shares

A relative importance against sibling resource pools or virtual machines. Shares can have a level (Custom, High, Low, or Normal) or an amount.

Limit

The maximum allowed resources.

Reservation

The minimum available resources.

Expandable reservation (resource...