On Mon, Oct 10, 2016 at 6:39 PM, Maton, Brett <matonb@ltresources.co.uk> wrote:

Hi,

I was wondering how to move the Hosted Engine 'disk' to another storage domain?
Live migration doesn't appear to be working, just left the disk in a 'locked' state, the engine is currently up and running.

Any suggestions ?

It's currently not supported because is not just about moving the disk.

The storage domain location and the disk uuids are written in /etc/ovirt-hosted-engine/hosted-engine.conf on each involved host since each ovirt-ha-agent should be able to autonomously restart the engine VM after a full failure.

The hosted-engine storage domain is also in the answerfile on the shared storage and, since 3.6, also in the engine DB.

Basically you have to update all of them in a coherent manner at the same time.

If you are on NFS and you are taking a backup of the whole storage domain without changing its uuid, it will be a little easier.

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