Foundations of Libvirt Development: How to Set Up and Maintain a Virtual Machine Environment with Python

© W. David Ashley 2019

W. David AshleyFoundations of Libvirt Development https://doi.org/10.1007/978-1-4842-4862-1_4

4. Guest Domains

W. David Ashley¹ 

(1)

Austin, TX, USA

 

A domain is a reference to a running or nonrunning virtual operating system under libvirt. As many domains as necessary can be created/installed under libvirt up to the limit imposed by either the system administrator or the number that can be supported without performance penalties on the host system. This number will vary depending on the performance abilities of the host system.

A nonrunning domain does not add any performance penalties on the host machine; only running domains impose penalties on the host system. Therefore, the system administrator can impose a limit on the ...