[Users] Setting up logical storage networks

Trey Dockendorf treydock at gmail.com
Tue Jun 19 18:15:41 UTC 2012


In ovirt-engine-3.1 I'm attempting to setup the base logical networks
and have run into 2 major issues.

The first is I'm only seeing a Gateway field for the management
interface.  When I went to create a network for VMs (on seperate
subnet) I did not see a place to specify gateway (see img
ovirt_network_missing_gateway.png).  Right now my management port is
on a 100mbps network and the bridged devices live on a 1Gbps network
(net140 in cluster).  Is there a reason the gateway would be missing?
I've attached ovirt_networks.png that shows all the interfaces on my
host.

The second issue I'm having is creating a storage network.  I created
2 logical networks , private0 and private1.  I left the "VM Network"
unchecked on both as my assumption was that dicates if they can be
added to VMs.  Since these are only for hosts to connect to the iSCSI
I didn't think that was necessary.  When I set the IP information
(private_network0.png) and select Ok the save goes through but when I
edit the interface again the information is gone and the file
ifcfg-eth4 does not have IP information.  This is what I looks like

DEVICE=eth4
ONBOOT=yes
BOOTPROTO=none
HWADDR=00:1b:21:1d:33:f0
NM_CONTROLLED=no
MTU=9000

I also attached image cluster_logical_networks.png that shows the all
the logical networks on this cluster.  So far my plan is to have a
single public interface for VM traffic, then two for storage traffic,
each going to a different switch.  This setup is just an initial test
but I'd hope to have it in production once I get some of these kinks
worked out.

Please let me know what information would be useful to debug this further.

Thanks
- Trey
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