Ask Your Question

Is there any service impact (Compute and network services) inside the VM, if the nova and neutron services on the hypervisor are restarted? The VM is an existing VM which has booted successfully.

asked 2018-12-26 05:57:28 -0500

karthik.s.eric gravatar image

I have a Openstack Platform (Newton) which has many VMs that are up and running. As part of the debug log enabling procedure, the services were to be restarted on the compute and the controllers..I am interested to know if there is any impact on the existing production environment by restarting the Nova and Neutron services in the controller and compute?

edit retag flag offensive close merge delete

2 answers

Sort by ยป oldest newest most voted

answered 2018-12-26 07:05:27 -0500

updated 2018-12-26 07:06:53 -0500

Restarting Compute and network services will not affect the running Virtual Machines in the hypervisor.

boot, reboot, rebuild operations will be affected by service restart

edit flag offensive delete link more

answered 2018-12-27 01:13:27 -0500

tze gravatar image

It's absolutely safe to restart Nova compute service and neutron. All the architecture of openstack is as orchestrator, the Nova compute service sent commands to libvirt and libvirt to kvm. Same to neutron service, the neutron service give commands to open switch or brctl depends on your driver. With this design you can make updates to openstack (and hole major version) without stopping your vms.

edit flag offensive delete link more

Your Answer

Please start posting anonymously - your entry will be published after you log in or create a new account.

Add Answer

Get to know Ask OpenStack

Resources for moderators

Question Tools


Asked: 2018-12-26 05:57:28 -0500

Seen: 256 times

Last updated: Dec 27 '18