How to Virtualize vSphere ESXi 8.0 on Workstation 17 Pro using Nested Virtualization - Part02
What's New in vSphere 8?
VMware vSphere 8 is the enterprise workload platform that brings the benefits of cloud to on-premises workloads. It supercharges performance with DPU and GPU based acceleration, enhances operational efficiency through the VMware Cloud Console, seamlessly integrates with add-on hybrid cloud services, and accelerates innovation with an enterprise-ready integrated Kubernetes runtime that runs containers alongside VMs.
While you can run standalone ESXi servers, vCenter Server is the management component that unlocks all the "enterprise" features of the hypervisor and provides the clustering and high-availability features found in the vSphere solution. In addition, VMware vSphere 8 provides the following new features, as enabled by the new vCenter Server 8 release:
👉 vSphere Distributed Services Engine
👉 vSphere with Tanzu improvements
👉 Lifecycle management improvements
👉 AI/ML enhancements
👉 New guest OS support and hardware version
👉 Enhanced Distributed Resource Scheduler (DRS)
👉 Security improvements
vSphere Distributed Services Engine
The new vSphere Distributed Services Engine feature was previously referred to as Project Monterey. It enables vSphere to offload administrative and management tasks onto data processing units (DPUs) for increased performance and to free up resources for general workloads.
vSphere with Tanzu improvements
The vSphere 8 release brings with it a new version of the Tanzu Kubernetes Grid. VMware has consolidated Tanzu Kubernetes into a single Kubernetes runtime. It brings with it workload availability zones, cluster classes, customization of PhotonOS and Ubuntu base images, and Pinniped integration for authentication.
Lifecycle management improvements
With the new lifecycle improvements as part of vCenter Server 8 vSphere Lifecycle Manager, you get DPU support. It also deprecates the legacy vSphere Update Manager. It includes many other improvements, including the ability to stage updates to speed up the process and a new vSphere configuration profile that provides cluster-level configuration management capabilities.
In addition, there is newly improved enhanced vCenter recovery. It introduces a distributed key–value store of the cluster state that is automatically synchronized with the recovered vCenter Server to reconcile the cluster state.
AI/ML enhancements
A new Device Groups construct simplifies the consumption of hardware devices, such as discreet NIC and GPU resources. In addition, VMware has introduced new device virtualization extensions that provide a new framework and API for hardware-based virtual devices, typical with AI/ML implementations.
New guest operating system support
VMware vSphere 8 introduces Virtual Hardware Version 20. Now, with vCenter Server 8, you will see the new hardware version available when creating virtual machines. In addition, new operating systems are now officially supported with vSphere 8, including Windows 11.
Enhanced Distributed Resource Scheduler (DRS)
With vSphere 8, VMware has improved DRS performance when persistent memory (PMEM) is used. As a result, it can leverage memory statistics for the optimal placement of VM workloads without affecting memory and resource consumption.
Security improvements
Numerous security improvements are found in vSphere 8, including turning on execInstalledOnly option by default. This option is a great defense against dangers such as ESXi ransomware. TLS 1.2 is the only option in vSphere 8, as it has completely removed support for TLS 1.0 and TLS 1.1.
SSH sessions now have an SSH timeout value configured by default to prevent them from remaining connected indefinitely. With vSphere 8, VMware has also deprecated TPM 1.2 modules.
Summary
The new vSphere 8 release provides many new features and capabilities. In addition, the vCenter Server upgrade process follows suit with the upgrade process from previous vSphere releases. You will need to remember a few things before running the upgrade to vCenter Server 8. Upgrades straight from vCenter Server 6.5 to 8.0 are not supported.
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