[ovirt-users] NIC Bonding

[Edward Haas]

Note that you can also explore the option of setting up STP in your network
(which will handle the loops).

Thanks,
Edy.

On Thu, Nov 16, 2017 at 8:33 PM, Bryan Sockel <Bryan.Sockel at altn.com> wrote:

> Understood.  Our typical server deployment is primary network link to one
> switch and back up link to a second switch.  This allows for my network
> admin to do switch maintenance with out any down time.  So in our ovirt
> deployment we have bonded link for one server going to switch 1 and on
> server 2 we have a bonded link going to switch 2.  We have to manually put
> the server in maintenance mode before he could do any switch maintenance.
> If there was an actual switch outage, we would have to wait for the system
> to restart the HA VM's on the other server.
>
> I know there are ways on the switch side that we can make both switches
> appear as a single switch and possibly create a bond across switches, but
> that is not something we have implemented.
>
> Thanks
> Bryan Sockel
>
> -----Original Message-----
> From: Edward Haas <ehaas at redhat.com>
> To: Petr Horacek <phoracek at redhat.com>
> Cc: Bryan Sockel <Bryan.Sockel at altn.com>, users <users at ovirt.org>
> Date: Thu, 16 Nov 2017 09:10:39 +0200
> Subject: Re: [ovirt-users] NIC Bonding
>
>
>
> On Wed, Nov 15, 2017 at 1:52 PM, Petr Horacek <phoracek at redhat.com>
> wrote:
>>
>> Hello Bryan,
>>
>> I'm afraid it is not possible with oVirt. You can only attach NICs to a
>> bonding via the way Arthur suggested.
>>
>> Regards,
>> Petr
>>
>> 2017-11-09 16:41 GMT+02:00 Bryan Sockel <Bryan.Sockel at altn.com>:
>>>
>>> I have a similar setup i am trying to achieve, but i would like to
>>> create 2 bonds to increase the bandwith and then configure 1 bond as a
>>> backup to the primary.  Is there some way to do this?
>>>
>>
> I would argue that such a setup is problematic. The bond link goes down
> only when all its slaves are down, therefore, if you loose one slave, the
> BW is decreased and the backup will not take over.
> Using 3 or 4 slaves bond can allow you to get both increased BW and
> redundancy.
>
> Thanks,
> Edy.
>
>
>>
>>>
>>> Bryan Sockel
>>>
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>>>
>>>
>>>
>>> -----Original Message-----
>>> From: Arthur Melo <arthur at afabrica.net>
>>> To: magnus.isaksson at ilw.se
>>> Cc: users <users at ovirt.org>
>>> Date: Mon, 6 Nov 2017 10:18:03 -0200
>>> Subject: Re: [ovirt-users] NIC Bonding
>>>
>>> Just drag and drop NICs then configure it to active/backup! :)
>>>
>>> Atenciosamente,
>>> Arthur Melo
>>> Linux User #302250
>>>
>>>
>>> 2017-11-06 8:15 GMT-02:00 <magnus.isaksson at ilw.se>:
>>>>
>>>> Hello!
>>>> I'm new(-ish) to oVirt and have a question regarding network.
>>>> I currently use vmware, the hosts have 4 nic each and connected to two
>>>> switches in stack(extreme), i have two vSwitch with two nic each setup in
>>>> active/standby, with this i don't have to do anything with the physical
>>>> switch.
>>>> So how do i do this setup on oVirt so i don't need to configure the
>>>> switches?
>>>> I know how to bond the cards, but i am afraid of a switchloop, so i
>>>> just want to make sure that does not happen.
>>>>
>>>> Regards
>>>> Magnus Isaksson
>>>>
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>>>
>>>
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>>
>>
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