Development version of OpenNebula 3.8. The material on this page needs to be reviewed for completeness and accuracy.
OpenNebula components:
Front-end: Machine running the OpenNebula services.
Host: Physical machine running a supported hypervisor. See the
Host subsystem.
Cluster: Pool of hosts that share datastores and virtual networks. Clusters are used for load balancing, high availability, and high performance computing.
Image Repository: Storage for registered Images. Learn more about the
Storage subsystem.
Sunstone: OpenNebula web interface. Learn more about
Sunstone
OCCI Service: Server that enables the management of OpenNebula with OCCI interface. Learn more about
OCCI Service
Self-Service OpenNebula web interfaced towards the end user. Based on the OCCI interface. Learn more about
Self-Service
EC2 Service: Server that enables the management of OpenNebula with EC2 interface. Learn more about
EC2 Service
OCA: OpenNebula Cloud
API. It is a set of libraries that ease the communication with the XML-RPC management interface. Learn more about
ruby and
java APIs.
OpenNebula resources:
Template: Virtual Machine definition. These definitions are managed with the
onetemplate command.
Image: Virtual Machine disk image, created and managed with the
oneimage command.
Virtual Machine: Instantiated Template. A Virtual Machine represents one life-cycle, and several Virtual Machines can be created from a single Template. Check out the
VM management guide.
Virtual Network: A group of IP leases that VMs can use to automatically obtain IP addresses. See the
Networking subsystem.
VDC: Virtual Data Center, fully-isolated virtual infrastructure environments where a group of users, under the control of the VDC administrator.
Zone: A group of interconnected physical hosts with hypervisors controlled by OpenNebula.
OpenNebula management:
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oZones: The
susbsystem in OpenNebula that manages zones.