Home > Storage > PowerFlex > White Papers > Installing and configuring Oracle Linux KVM on Dell PowerFlex > Terminology
The following table provides definitions for some of the terms that are used in this document.
Term | Definition |
Oracle RAC | Oracle Real Application Clusters |
KVM | Kernel-based Virtual Machine |
Hypervisor | The software, hardware, and firmware that creates, manages, and runs virtual machines. It can manage a physical host’s hardware for this purpose. |
oVirt | A free open-source distributed virtualization solution which can manage a KVM environment. |
oVirt Engine | The management tool that is used to configure, customize, and monitor the KVM environment. |
SDS | Storage Data Server |
SDC | Storage Data Client |
OS | Operating System |
MG | Medium Granularity |
FG | Fine Granularity |
PCI | Peripheral component interconnect |
VDSM | Virtual Desktop and Server Manager |
Volume | Used interchangeably with “device” to refer to a host device |
NUMA | Non-uniform memory access – a design of computer systems where the memory access time depends on how close it is to the processor. NUMA improves the performance of servers. |
Node | As well as “host”, refers to a physical machine with the KVM hypervisor |
Host | As well as “node”, refers to a physical machine with the KVM hypervisor |
Device | Used interchangeably with “volume” to refer to a host device |