Virtualization terms starting with D

10 terms

1. data center A facility that provides a suitable environment (power, cooling, network connectivity, management services) for housing information technology equipment…
2. differencing virtual hard disk A virtual hard disk that stores the changes to an associated parent virtual hard disk for the purpose of keeping the parent intact.
3. dom0 Also known as the Host or host operating system. dom0 refers to the host instance of Red Hat Enterprise Linux running the Hypervisor which facilitates…
4. Domain A sub-network of servers and computers within a LAN. Domain information is useful when restoring backup tapes, particularly of email.
5. domain 0 The first domain to be started on a Xen machine. Domain 0 is responsible for managing the system.
6. domain ID A unique identifier for a domain, analogous to a process ID in an operating system.
7. domains domU and Domains are both domains. Domains run on the Hypervisor. The term domains has a similar meaning to Virtual machines and the two are technically…
8. domu domU refers to the guest operating system which run on the host system (Domains).
9. DR (Disaster Recovery) In virtual environments the setup of new systems and recovery of operating systems are much simpler than with standard recovery methods.
10. dynamically expanding virtual hard disk A virtual hard disk that grows in size each time it is modified. This type of virtual hard disk starts as a 3 KB .