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nova-dpm
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IBM System z DPM virtualization driver for OpenStack Nova
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README.rst

nova-dpm

OpenStack Nova driver and agent for IBM z Systems PR/SM hypervisor in DPM mode

On IBM z Systems, certain workloads run better in a logical partition than in a virtual machine of a software hypervisor such as KVM or z/VM.

The IBM z13 system (and IBM LinuxONE) introduced a new administrative mode named "Dynamic Partition Manager" (DPM) that allows for managing the firmware-based logical partition hypervisor (PR/SM) with the dynamic capabilities known from software-based hypervisors.

These new dynamic capabilities provided by the DPM mode enables PR/SM to act as a hypervisor managed by OpenStack using Nova.

This project supports adding the PR/SM hypervisor in DPM mode as a Nova hypervisor platform, by implementing a new Nova driver.

The other hypervisors on z Systems such as z/VM and KVM are already supported by OpenStack via Nova drivers. These drivers will continue to be supported. Adding support for PR/SM DPM allows addressing customers that need or want to run their workloads in logical partitions, and provides the advantage for them of using OpenStack as a uniform, standard, cloud management platform on z Systems.