6:18 a.m.
As Joseph mentioned in his email, it is mostly situational dependent.
I run a 2 node cluster and use multiple interfaces.
The first 1Gb nic is for ovirtmgmt and is used for management with no vlan tagging and has
the default gateway, DNS, etc assigned to it.
My 2nd 1Gb NIC, for now, is for all VM traffic and from the switch is setup as a trunk and
carries multiple vlans to the various VM's.
My 3rd NIC is 10Gb and it is on its own isolated vlan with no routing and I use it for
connectivity to my back end NFS storage and I made it the interface for VM migration
between nodes.
An additional 10Gb nic is not in use right now, but plans are that once I can get a
switch with more 10Gb connectivity, that will become my interface for all VM traffic.
So as you can see, very situational dependent.
As Joseph also mentioned, please feel free to ask if you have any questions. I am still
pretty new to oVirt, but making progress.
Robert
-----Original Message-----
From: Richard Nilsson <rnilsson(a)rcn.com>
Sent: Thursday, January 23, 2020 10:39 PM
To: users(a)ovirt.org
Subject: [ovirt-users] High level network advice request
High level network advice request :)
I have a self-hosted engine deployed on a node, Ovirt v. 4.3. I am testing, but
I don't understand the big idea of how to set-up Ovirt networking for hosted
/ engine-managed virtual servers. I would like to host a few virtual servers
for things like Next/OwnCloud, SuiteCRM, NethServer or others.
For example, I know exactly how set-up a virtual machine with a centos /
lamp stack on a fedora host, I can make a network bridge for the vm with
fedora cli, then use haproxy (or squid) as a reverse-redirect server to allow
WAN access to the vm server using FQDNs.
What is a good strategy for Ovirt hosting a webserver? To use the default
ovirt management network for the virtual server machines doesn't seem like
a best practice?
Should I make a new logical network for the virtual servers? Do I need to
configure bridges for the machines? It looks like bridges and virtual NICs are
automatically configured when I make the network and virtual machines, is
that right?
Is it the usual or typical practice that one ovirt logical network uses only one
network bridge to a one physical NIC? Would all of the kVMs on the logical
network share the same / single bridge of the particular network? I'm not
sure what the big idea should be, what is a best practice?
I wonder, should I bond several physical NICs, then point the bridge, for a
new / dedicated logical network for webservers, to the the bonded NICs?
There is more than a little new vocabulary for me to onboard for Ovirt /
virtual / logical networks...I will greatly appreciate, and I thank you in advance
for any top level / best practice advice!
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