Chapter 16. Administering Hyper-V with PowerShell and WMI

 

This chapter covers

  • Creating and configuring virtual machines
  • Controlling virtual machines
  • Starting a sequence of virtual machines
  • Administering virtual disks

Virtualization technologies have caused a major change in the way we deliver and administer server-based infrastructure to our users. Virtualization provides a way for us to run multiple servers on the same hardware and maximize the use of that hardware.

Robert Heinlein frequently has his characters quote, “There ain’t no such thing as a free lunch.” This is also true in IT. The fact that we can run multiple servers on a single piece of hardware doesn’t make our jobs any easier. In fact, they become harder:

  • We have more servers to administer (the hosts always seem to be forgotten when adding up the number of servers).
  • The risks increase. With 6, 12, or more servers running on a single piece of hardware, a failure in that hardware means more servers offline, more downtime, and more potential loss of business for the organization. Managing the high availability requirements increases the complexity.
  • A virtual server doesn’t have a power button we can press to start it or a cover we can take off to add more memory. We need tools to enable us to administer these servers.

16.1. Creating and configuring virtual machines

 
 
 

16.2. Controlling virtual machines

 
 
 

16.3. Managing virtual disks

 

16.4. Summary

 
 
 
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