[ovirt-users] Is a dedicated oVirt mgmt VLAN still needed for oVirt host nodes?

[Patrick Russell]

It will all work using different VLAN tags on the same physical nics. At least in 3.5.x that’s the case, we don’t have a 3.4.x install so I can’t speak to that. You’ll want to watch your NFS and migration traffic though. Make sure you don’t overrun the bandwidth for management traffic or you’re going to have a bad day.

-Patrick
 
> On Sep 14, 2015, at 10:08 AM, ccox at endlessnow.com wrote:
> 
> We have an oVirt environment that I inherited.  One is running 3.4.0 and
> one is running 3.5.0.
> 
> Seem in both cases the prior administrator stated that a dedicated VLAN
> was necessary for oVirt mgmt.  That is, we could not run multiple tagged
> VLANs on a nic for a given oVirt host node.
> 
> Does any of this make sense?  Is this true?  Is it still true for more
> contemporary versions of oVirt?
> 
> My problem is that our nodes are blades and I only have two physical nics
> per blade.  In our network for redundancy we need to have the two nics
> have the same VLANs so that things failover ok.  Which means we have to
> share the oVirt mgmt network on the same wire.  That's the ideal.
> 
> Currently we have a whole nic on the blade just for oVirt management.  Is
> this a requirement?
> 
> 
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