[ovirt-users] separate ovirtmgmt from glusterfs traffic

[Demeter Tibor]

Hello,

Thank you for the detailed reply.

Yes, the vms are used an independent network/network interfaces for access the internet.
So, in this case I could separate the high glusterfs traffic from ovirt management traffic when I disable "vm" network on ovirtmgmt interface.

I will try-out this night this feature.

Thanks a lot,

Tibor



----- Eredeti üzenet -----
> Hi Tibor,
> 
> On 13/11/14 13:41, Demeter Tibor wrote:
> > Hi,
> > 
> > I have a 3 node gluster based cluster. There are 3x3 Nic with bonding.
> > Sometimes the management is very slow because high gluster traffic.
> > 
> > Is it possible to separate ovirtmgmt network from glusterfs traffic?
> > I have only one interface (ovirtmgmt) for all of services (migration, etc).
> > I just wondering I will make three VLANs for these services and use the
> > QoS function. But how can specify glusterfs for use an other vlan for
> > gluster traffic an a other one for management?
> 
> This generally sounds like a good plan, but note that QoS on the
> host-level will only become available in oVirt 3.6 (it might become
> available soon on master, if you're feeling lucky...).
> 
> VM-level QoS (available since 3.3) won't help you with "administrative"
> traffic (i.e. traffic that isn't going into / coming out of the VMs
> themselves).
> 
> > Also, I have more questions about this:
> > 
> > - If I specify a VLAN on ovirtmgmt, then what happend on nodes? I'm
> > afraid the nodes will lost the connection with each other nodes.
> 
> If the switch allows this VLAN to reach all hosts, there shouldn't be a
> problem; since oVirt 3.4 the VLAN tagging should "propagate" to all
> active hosts. However, see my comment below concerning "VM network".
> 
> > - Is it possible on a live system? What will happen with the mounted
> > glustefs based datastores?
> 
> I'm not knowledgeable about gluster specifics, but let's see if I can
> help. What's the current situation with the gluster network, is it
> already VLAN-tagged? If it is and you're not moving it to another
> interface on the hosts, I *think* things should be fine.
> 
> > - What does "vm network" mean on ovirtmgmt interface? Can I use this for
> > seperate network traffic?
> 
> This means that a bridge is created for this network on hosts. If VMs
> don't use this network (i.e. virtual interfaces are assigned profiles of
> ovirtmgmt), you can make it non-VM (with no VLAN tagging) and have it
> assigned to the same host interface as VLAN-tagged networks (I would say
> this is less risky than VLAN-tagging ovirtmgmt).
> 
> > 
> > 
> > My plan is
> > - vlan.101 ovirtmgmt
> > - vlan 102 glusterfs
> > - vlan 103 migration
> > - vlan 104 display
> > 
> > What is the recommended procedure of this?
> > 
> > Thanks in advance,
> > 
> > Regards,
> > 
> > Tibor
> > 
> > 
> > 
> > 
> > _______________________________________________
> > Users mailing list
> > Users at ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/users
> > 
> _______________________________________________
> Users mailing list
> Users at ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
>