Designing for management availability
The availability of the management functions of an environment becomes more critical, as with virtual desktop environments and other self-service provisioning environments. In these environments, if the vCenter Server is unavailable, so is the ability to provide the provisioning of services.
If the environment does not provide these types of services, the ability to manage the environment, especially during a failure or disaster, is also critical. How can you troubleshoot an issue with a virtual machine or a group of virtual machines if the primary tool that is used to manage the environment is unavailable?
How to do it…
To properly design for management availability, follow these steps:
Identify management environment dependencies:
Infrastructure dependencies, including storage, networking, and host hardware
Service dependencies, including DNS, DHCP, and Active Directory
VMware product dependencies, including the PSC, the vCenter Server, and other supporting...