Dear All,

Having set up a Centos 7 server with Gluster, oVirt 3.5.3 and hosted engine 
according to 
https://community.redhat.com/blog/2014/10/up-and-running-with-ovirt-3-5/, I was 
hoping that the NIC management and particularly NIC bond/bridge capabilities 
would have improved a bit. My server has four NICs, two connected to the LAN 
and two to an adjacent server to be used as a Gluster network between the two 
servers. My aim is to use NIC bonding for two NICs each.

Via the engine, I would like to use Hosts -> Network Interfaces -> Setup Host 
Networks. As I use hosted engine, I cannot set the only host to maintenance 
mode. At least during normal operations, however, I am neither able to change 
the ovirt bridge from DHCP to static IP nor create a bond consisting of the two 
LAN facing NICs. In each case I get, "Error while executing action Setup 
Networks: Network is currently being used". Editing the network scripts 
manually is not an option either, as that does not survive a reboot. Contrary 
to this real view, everything should be easily configurable according to 
section 6.6 of the oVirt administration guide.

One workaround approach could be to temporarily move one NIC connection from 
the adjacent server to the LAN or even temporarily swap both pairs of NICs and 
edit interfaces while they are not in use. Is this really the way forward? 
Should there not be a more elegant approach not requiring physically plugging 
NIC connections just to work around such issue?

Regards,

Michael


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