[Pacemaker] Migration over other NIC

[Florian Haas]

On 2010-02-16 13:06, Ingmar wrote:
> I have 2 questions:
>  
> - I have a cluster with KVM, heartbeat, pacemaker (with gui) on CentOS 5.4.
> I'd like to put the migration path for the VMs from the first NIC to
> another.
> I have seen that there is a parameter <migrateuri> ... However, I do not
> know how I would implement in the RA (Virtual Domain OCF heartbeat) or
> in the pacemaker GUI.
> Who knows about it?

I do. You can simply hope that someone writes that feature for you, or
you can write a patch that implements it, or you could also pay someone
to write it, test it, and then upstream it for you and everyone else to
use. There's plenty of companies around for the third option; the one I
work for is one of them. :)

> - I have 3 NICs (or 3 bridges) ... on which network connecting the
> cluster communications and the migration takes place by default?

Cluster communications: depends on your ha.cf or corosync.conf.

Migration: on the NIC that holds the IP address that the primary host
name (uname -n) resolves to.

Cheers,
Florian

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