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

vSphere Virtualization of Resources

Learner Objectives

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

• Explain how vSphere interacts with CPUs, memory, networks, and storage

Virtual Machine: Guest and Consumer of ESXi Host

vSphere Virtualization of Resources

 

Any application in any supported OS can run in a VM (guest) and consume CPU, memory, disk, and network from host-based resources.

Physical and Virtual Architecture

Virtualization technology abstracts physical components into software components and provides solutions for many IT problems.   vSphere Virtualization of Resources

 

Physical Resource Sharing

vSphere Virtualization of Resources

Multiple VMs, running on a physical host, share the compute, memory, network, and storage resources of the host.

CPU Virtualization

  • In a physical environment, the operating system assumes the ownership of all the physical CPUs in the system.
  • CPU virtualization emphasizes performance and runs directly on the available CPUs.

Physical and Virtualized Host Memory Usage

  • In a physical environment, the operating system assumes the ownership of all physical memory in the system.
  • Memory virtualization emphasizes performance and runs directly on the available RAM.

Physical and Virtual Networking

  • Virtual Ethernet adapters and virtual switches are key virtual networking components.

vSphere Virtualization of Resources

Physical File Systems and Datastores

  • vSphere VMFS provides a distributed storage architecture, where multiple ESXi hosts can read or write to the shared storage concurrently.

vSphere Virtualization of Resources

GPU Virtualization

GPU graphics devices optimize complex graphics operations. These operations can run at high performance without overloading the CPU.   Virtual GPUs can be added to VMs for the following use cases:

  • Rich 2D and 3D graphics
  • VMware Horizon virtual desktops
  • Graphics-intensive applications, such as those used by architects and engineers
  • Server applications for massively parallel tasks, such as scientific computation applications You can configure VMs with up to four vGPU devices to cover use cases requiring multiple GPU accelerators.

VMware supports AMD and NVIDIA graphics cards.

Review of Learner Objectives

After completing this lesson, vSphere Virtualization of Resources, you should be able to meet the following objective:

• Explain how vSphere interacts with CPUs, memory, networks, and storage

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