Course Content
VMware vSphere: Install, Configure, Manage Content
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Introduction to vSphere and the Software Defined Data Center
As a vSphere administrator, you must be familiar with the components on which vSphere is based. You must also understand the following concepts: Virtualization, the role of the ESXi hypervisor in virtualization and virtual machines Fundamental vSphere components and the use of vSphere in the software-defined data center Use of vSphere clients to administer and manage vSphere environments
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Virtual Machines
You can create a virtual machine in several ways. Choosing the correct method can save you time and make the deployment process manageable and scalable.
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vCenter Server
vCenter Server helps you centrally manage multiple ESXi hosts and their virtual machines. If you do not properly deploy, configure, and manage vCenter Server Appliance, your environment might experience reduced administrative efficiency or ESXi host and virtual machine downtime.
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Configuring and Managing Virtual Networks
When you configure ESXi networking properly, virtual machines can communicate with other virtual, and physical, machines. In this way, remote host management and IP-based storage operate effectively.
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Configuring and Managing Virtual Storage
Understanding the available storage options helps you set up your storage according to your cost, performance, and manageability requirements. You can use shared storage for disaster recovery, high availability, and moving virtual machines between hosts.
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Virtual Machine Management
Virtual machines are the foundation of your virtual infrastructure. Managing VMs effectively requires skills in creating templates and clones, modifying VMs, migrating VMs, taking snapshots, and protecting the VMs through replication and backups.
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Resource Management and Monitoring
Although the VMkernel works proactively to avoid resource contention, maximizing performance requires both analysis and ongoing monitoring. Developing skills in resource management, you can dynamically reallocate resources so that you can use available capacity more efficiently.
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vSphere Clusters
Most organizations rely on computer-based services like email, databases, and web-based applications. The failure of any of these services can mean lost productivity and revenue. By understanding and using vSphere HA, you can configure highly available, computer-based services, which are important for an organization to remain competitive in contemporary business environments. And by developing skills in using vSphere DRS, you can improve service levels by guaranteeing appropriate resources to virtual machines.
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vSphere Lifecycle Management
Managing the life cycle of vSphere involves keeping vCenter Server and ESXi hosts up to date and integrated with other VMware and third-party solutions. To achieve these goals, you must understand how to use the new features provided by vSphere Lifecycle Manager, namely, clusterlevel management of ESXi hosts and the vCenter Server Update Planner.
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VMware vSphere: Install, Configure, Manage
About Lesson

Centralized Management with vCenter Server

Learner Objectives

After completing this lesson, you should be able to meet the following objectives:

  • Describe the vCenter Server architecture
  • Recognize how ESXi hosts communicate with vCenter Server
  • Identify vCenter Server services

About the vCenter Server Management Platform

 

vCenter Server acts as a central administration point for ESXi hosts and virtual machines that are connected in a network:

  • Directs the actions of VMs and hosts
  • Runs on a Linux-based appliance

About vCenter Server Appliance

vCenter Server Appliance is a prepackaged Linux-based VM that is optimized for running vCenter Server and associated services. The vCenter Server Appliance package contains the following software:

During deployment, you can select the vCenter Server Appliance size for your vSphere environment and the storage size for your database requirements.

vCenter Server Services

 

vCenter Server services include:

  • vCenter Server
  • vSphere Client
  • vCenter Single Sign-On
  • License service
  • vCenter Lookup Service
  • VMware Certificate Authority
  • Content Library
  • vSphere ESXi Dump Collector

When you deploy vCenter Server Appliance, all these services are included.

vCenter Server Architecture

vCenter Server is supported by the vSphere Client, the vCenter Server database, and managed hosts.

About vCenter Single Sign-On

 

vCenter Single Sign-On provides authentication across multiple vSphere components through a secure token mechanism:

  1. User logs in to the vSphere Client.
  2. vCenter Single Sign-On authenticates credentials against a directory service (for example, Active Directory).
  3. A SAML token is sent back to the user’s browser.
  4. The SAML token is sent to vCenter Server, and the user is granted access.

About Enhanced Linked Mode

With Enhanced Linked Mode, you can log in to a single instance of vCenter Server and manage the inventories of all the vCenter Server systems in the group:

  • Up to 15 vCenter Server instances can be linked in one vCenter Single Sign-On domain.
  • An Enhanced Linked Mode group can be created only during the deployment of vCenter Server Appliance.

ESXi and vCenter Server Communication

The vSphere Client communicates directly with vCenter Server. To communicate directly with an ESXi host, you use VMware Host Client. Centralized Management with vCenter Server

vCenter Server Appliance Scalability

Metric vCenter Server Appliance 7.0
Hosts per vCenter Server instance 2,500
Powered-on VMs per vCenter Server instance 40,000
Registered VMs per vCenter Server instance 45,000
Hosts per cluster 64
VMs per cluster 8,000

Review of Learner Objectives

After completing this lesson, Centralized Management with vCenter Server, you should be able to meet the following objectives:

  • Describe the vCenter Server architecture
  • Recognize how ESXi hosts communicate with vCenter Server
  • Identify vCenter Server services
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