VMware VS4-ENT-PL-A Setup Guide - Page 181
Introduction, Set Up Stateless Hosts to Use Auto Deploy with Caching
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Chapter 7 Installing ESXi n Set Up Stateless Hosts to Use Auto Deploy with Caching on page 184 You can set up your system to provision hosts with Auto Deploy, and configure the hosts to use stateless caching. If the Auto Deploy server is not available when a host reboots, the host uses the cached image. n Enable Stateful Installs for Hosts Provisioned with Auto Deploy on page 186 You can set up hosts provisioned with Auto Deploy to cache the image to disk and to use the cached image on subsequent boots. After the image is cached, the hosts act like hosts on which an image is installed. Introduction The System Cache Configuration host profile supports stateless caching and stateful installs. Stateless caching is a good solution when you use the Auto Deploy infrastructure, but you require a safeguard in case the Auto Deploy server is unavailable. Hosts provisioned with stateless caching host profile settings continue to be provisioned with Auto Deploy. Stateful installs support network installation through Auto Deploy. After the initial installation, hosts that are provisioned with stateful install host profile settings will boot from disk. Use Cases The System Cache Configuration host profile supports the following use cases. Hosts provisioned with Auto Deploy cache the image (stateless caching) Hosts provisioned with Auto Deploy become stateful hosts Set up and apply a host profile for stateless caching. You can cache the image on a local disk, a remote disk, or a USB drive. Continue provisioning this host with Auto Deploy. If the Auto Deploy server becomes unavailable, the host boots from the cache. Set up and apply a host profile for stateful installs. When you provision a host with Auto Deploy, the image is installed on the local disk, a remote disk, or a USB drive. For subsequent boots, you boot from disk. The host no longer uses Auto Deploy. Preparation To successfully use stateless caching or stateful installs, decide how to set up the system and set the boot order. VMware, Inc. 181