[ovirt-users] Live migration of VM(0 downtime) while Hypervisor goes down in ovirt

[Yaniv Kaul]

On Fri, Feb 9, 2018 at 9:25 PM, ranjithspr13 at yahoo.com <
ranjithspr13 at yahoo.com> wrote:

> Hi,
> Anyone can suggest how to setup VM Live migration (without restart vm)
> while Hypervisor goes down in ovirt?
>

I think there are two parts to achieving this:
1. Have a script that migrates VMs off a specific host. This should be easy
to write using the Python/Ruby/Java SDK, Ansible or using REST directly.
2. Having this script run as a service when a host shuts down, in the right
order - well before libvirt and VDSM shut down, and would be fast enough
not to be terminated by systemd.
This is a bit more challenging.

Who's shutting down the hypervisor? (Or perhaps it is shutdown externally,
due to overheating or otherwise?)
Y.


> Using glusterfs is it possible? Then how?
>
> Thanks & Regards
> Ranjith
>
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