[PVE-User] Live migration the way Ganeti does it.

Eneko Lacunza elacunza at binovo.es
Wed Dec 3 13:32:09 CET 2014

Hi Carles Xavier,

On 03/12/14 13:18, "[SOLTECSIS] Carles Xavier Munyoz Baldó" wrote:
> Hello,
> Searching in Internet I have found this video about Ganeti, one solution
> from Google for cloud computing:
> https://www.usenix.org/conference/lisa12/ganeti-your-private-virtualization-cloud-way-google-does-it
> I have liked very much the way they do the HA and live migration of
> virtual machines. They create a DRBD device for each virtual machine
> disk and, for the live migration from the primary node to the secondary
> node, Ganeti automatically changes the DRBD role from primary to
> secondary (in the primary node) and secondary to primary (in the
> secondary node); and moves the virtual machine from the primary node to
> the secondary node.
> I'm asking myself if is it possible to do the same with Proxmox?
> Is it possible?
> Is it possible to do it from the web interface?
> If the answer is not, is it possible to program something in the
> webinterface for make it using the REST API or something like this?
DRBD is supported and available in Proxmox, but you have to manage it 
"by hand", there's nothing in the GUI nor the API.

You could do it but with custom scripts.

In Proxmox it is only targeted for special 2-node clusters AFAIK


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