OpenStack Compute (nova)

Hyper-V soft reboot

Registered by Alessandro Pilotti on 2014-07-03

Currently both "nova reboot" and "nova reboot --hard" cause a hard reset on Hyper-V instances.

This blueprint introduces soft reboot support in Hyper-V.

For consistency with the libvirt driver, if a soft reboot fails then a hard reboot is attempted.

The implementation can be done by invoking the "InitiateShutdown" method of the "Msvm_ShutdownComponent" class, waiting for the VM to reach a powered off status and powering it on again.

Hyper-V provides an API to execute a soft shutdown but not a direct API to execute a soft reboot, hence the need to wait for the shutdown to be completed.

Read the full specification

Blueprint information

Status:: Complete

Approver:: John Garbutt

Priority:: Medium

Drafter:: Alessandro Pilotti

Direction:: Approved

Assignee:: Claudiu Belu

Definition:: Approved

Series goal:: Accepted for juno

Implementation:: Implemented

Milestone target:: 2014.2

Started by: Alessandro Pilotti on 2014-07-03

Completed by: Joe Gordon on 2014-08-23

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Related bugs

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Given medium priority, due to driver consistency reasons --johnthetubaguy 16th July 2014

Gerrit topic: https://review.openstack.org/#q,topic:bp/introduces,n,z

Addressed by: https://review.openstack.org/104605
Spec for Hyper-V soft reboot

Gerrit topic: https://review.openstack.org/#q,topic:bp/hyper-v-soft-reboot,n,z

Addressed by: https://review.openstack.org/108662
Adds Hyper-V Compute Driver soft reboot implementation

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