8:11 a.m.
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Hello,
I have an oVirt 3.5.x install on CentOS 7.1, and I'm trying to wrap my head
around how to use the Neutron appliance.
In the video demo, two hosts attach the neutron network to their eth1
interfaces, and their VMs can communicate with each other. But the demo
doesn't go on to show how to connect those VMs to the internet with
floating IPs.
In the OpenStack Neutron videos I've watched on youtube, the common basic
configuration seems to be a single 'network node' that connects to the
public and private networks and routes to the 'compute nodes', which aren't
connected to the public network. With the oVirt/Neutron integration, it
seems like all hosts are both 'network' and 'compute' nodes, meaning that
they need to be connected to the public network. Is that right, or am I
missing some fundamental concept? Is it possible to designate 1 or 2 hosts
of a cluster (with public network access) for the neutron appliance, while
the remaining hosts only have private network access + floating IPs for VMs?
Robert
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8:40 a.m.
Depends on your setup... Are you using gre/vxlan with ovs on the hosts, or
are you using the Linux bridge?
On Jul 29, 2015 12:34 AM, "Robert Story" <rstory(a)tislabs.com> wrote:
Hello,
I have an oVirt 3.5.x install on CentOS 7.1, and I'm trying to wrap my head
around how to use the Neutron appliance.
In the video demo, two hosts attach the neutron network to their eth1
interfaces, and their VMs can communicate with each other. But the demo
doesn't go on to show how to connect those VMs to the internet with
floating IPs.
In the OpenStack Neutron videos I've watched on youtube, the common basic
configuration seems to be a single 'network node' that connects to the
public and private networks and routes to the 'compute nodes', which aren't
connected to the public network. With the oVirt/Neutron integration, it
seems like all hosts are both 'network' and 'compute' nodes, meaning
that
they need to be connected to the public network. Is that right, or am I
missing some fundamental concept? Is it possible to designate 1 or 2 hosts
of a cluster (with public network access) for the neutron appliance, while
the remaining hosts only have private network access + floating IPs for
VMs?
Robert
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http://lists.ovirt.org/mailman/listinfo/users
5:11 p.m.
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On Wed, 29 Jul 2015 00:40:51 -0500 Donny wrote:
DD> Depends on your setup... Are you using gre/vxlan with ovs on the hosts,
DD> or are you using the Linux bridge?
Right now I'm still in the planning stages. I've got the hosted engine up
on one host, but haven't gotten gotten the neutron appliance up yet because
I wasn't expecting it to need its own nic/interface.
Maybe some information about my setup will help.. I've got a lab and a
server room, each with their own public ip space. The server room has
internal and external production systems, and the lab has test some
important-but-not-production systems. Right now all these systems
are connected to both public and private networks through multiple
interfaces or vlans. I'd like to use neutron to eliminate the direct
connection to the public networks and use floating IPs instead. I'd also
like to isolate the internal production from public facing production, and
lab test systems from lab important systems.
I should add that I'm not a sysadmin, but a developer who was nominated to
administer group resources. So I'm learning as I go. I've been running
oVirt 3.4 in the lab for a few months, and now am wanting to get oVirt 3.5
into the server room (and eventually to migrate the lab systems to a second
'data center' of the server room install).
Any thoughts or suggestions welcomed, on or off list.
Robert
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2 comments
2 participants
participants (2)
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Donny Davis -
Robert Story