
4 Mar
2012
4 Mar
'12
9:02 a.m.
----- Original Message ----- > From: "Shu Ming" <shuming@linux.vnet.ibm.com> > To: "Dan Yasny" <dyasny@redhat.com> > Cc: "Andrew James Dunlop" <andrew@dunlop.me.uk>, users@ovirt.org > Sent: Sunday, 4 March, 2012 4:42:39 PM > Subject: Re: [Users] Network configuration > > On 2012-3-3 17:47, Dan Yasny wrote: > > > > ----- Original Message ----- > >> From: "Andrew James Dunlop"<andrew@dunlop.me.uk> > >> To: users@ovirt.org > >> Sent: Monday, 6 February, 2012 11:45:20 PM > >> Subject: [Users] Network configuration > >> > >> > >> I feel like I have been bombarding this list the last few days, > >> sorry! > >> I have been looking at the different possible network > >> configurations > >> shown at http://www.ovirt.org/wiki/Vdsm_Network and trying to work > >> out how to achieve the second topology ( bridge over vlan over nic > >> ). I can see that it is possible to assign a logical network to a > >> physical network on a node but how can you add more than one as > >> this > >> is a dropdown menu? My nodes have two NICs, one of these is for > >> the > >> management network but I could like to have a number of logical > >> networks (with different VLAN tags) connected to the other NIC. > >> Is this currently possible using the web UI? > > Very simple > > 1. create your logical networks with vlan tags in the data centre > > 2. assign those networks to the relevant cluster > > > > Now, assuming we are going to assign network X with tag 100 and > > network Y with tag 200 to eth0 on a host: > > Edit eth0 on the host - assign network X to it > > see how eth0.100 gets created and the X network attached ot that > > tagged interface > > Edit eth0 again, assign network Y > > see how eth0.200 gets created and Y is attached > > > > repead for additional tagged networks > > Yes, we can do these manually if we are the master of the system > administrator. This is the administrator's job to configure hypervisor hosts. > But I think we should provide a UI to the user and VDSM > management API in the backend. Simple users changing Host networking? I think it's not a good idea. > Also, it is a quite a challenge to > assign the VMs in different host to the same vlan. Maybe you wasn't clear enough. The settings I mentioned are talking about configuring __hosts__, not VMs. All the hosts in a cluster must have configurations to see all the logical networks assigned to that cluster. This way, a VM that uses a specific network can easily migrate between hosts without losing networking > > > > > > >> _______________________________________________ > >> Users mailing list > >> Users@ovirt.org > >> http://lists.ovirt.org/mailman/listinfo/users > >> > > > -- > Shu Ming<shuming@linux.vnet.ibm.com> > IBM China Systems and Technology Laboratory > > > -- Regards, Dan Yasny Red Hat Israel +972 9769 2280