[ovirt-users] Best setup for nfs domain and 1gbs adapters on hosts

[Karli Sjöberg]

On Thu, 2017-02-23 at 12:47 +0000, Karli Sjöberg wrote:
> On Thu, 2017-02-23 at 11:14 +0000, Yaniv Kaul wrote:
> > 
> > 
> > On Thu, Feb 23, 2017 at 1:11 PM Gianluca Cecchi <gianluca.cecchi at gm
> > ai
> > l.com> wrote:
> > > On Sat, Feb 18, 2017 at 1:35 PM, Karli Sjöberg <karli.sjoberg at slu
> > > .s
> > > e> wrote:
> > > > > 
> > > > > Thanks for your answer, K!
> > > > > So you mean to make a unique bond composed by all 4 network
> > > > 
> > > > adapters and put all the networks on it, comprised ovirtmgmt
> > > > and
> > > > such, through clans?
> > > > > How do you configure 802.3ad on 4 adapters? How many switches
> > > > 
> > > > do you have to connect to, from these 4 adapters? Or do you use
> > > > round robin bonding (but I presume it is not supported in court
> > > > this bond)?
> > > > > Thanks!
> > > > 
> > > > Well, in our case, we have two clustered switches from C-
> > > > company
> > > > so two NICs in each. And then, yeah, different VLANs for every
> > > > network on top of the same bond. Works like a charm:)
> > > > /K
> > > > 
> > > 
> > > Hello K,
> > > coming back to the question, I have only 1 VLAN dedicated to
> > > Netapp
> > > NFS infrastructure and I can't manage to add another.
> > > Can I manage to use anyway 802.3ad on 4 adapters using any
> > > particular option for this bonding mode at oVirt and switch
> > > side? 
> > > I think that at network side we have 4 x 3130 clustered Cisco
> > > switches so in theory I can use this bonding mode.
> > > I don't know if I can configure more than one IP on the same lan
> > > inside one Netapp svm to configure more that one NFS share.
> > > And if 802.3ad mode would assure to use 2 different network
> > > adapters when pointing to 2 different ips on the same network for
> > > the shares
> > > 
> > 
> > And multiple mount points, hence multiple SDs? They might, or might
> > not use the same physical NIC.
> > Y.
> 
> In my experience, they will use the same NIC. You need, at least, two
> addresses in different subnets for 802.3ad to load balance between
> the
> interfaces.
> 
> /K

P.S. The only thing I can say for sure is that proper load balancing
will occur with separate VLAN interfaces and addresses in different
subnets. That much I know, because that´s how we did it:)

Just using addresses in different subnets may work too, I just don´t
know. Please try and post your results:)

/K

> 
> >  
> > > And I have to configure parameters for bonding in oVirt too, in
> > > case I have to set any particular one..
> > >  
> > > Thanks again,
> > > Gianluca
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> > > 
> 
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