[ovirt-users] Setting up hosted engine appliance on a bonded interface

[Doug Ingham]

Hi Bryan,

On 23 March 2017 at 23:54, Bryan Sockel <Bryan.Sockel at altn.com> wrote:

>
> Hi,
>
> I am attempting to deploy an appliance to a bonded interface, and i
> getting this error when it attempts to setup the bridge:
>
>
> [ ERROR ] Failed to execute stage 'Misc configuration': Failed to setup
> networks {'ovirtmgmt': {'bonding': 'bond0', 'ipaddr': u'10.20.101.181',
> 'netmask': u'255.255.255.0', 'defaultRoute': True, 'gateway':
> u'10.20.101.1'}}. Error code: "-32603" message: "Attempt to call function:
> <bound method Global.setupNetworks of <API.Global object at 0x39c9110>>
> with arguments: ({u'ovirtmgmt': {u'bonding': u'bond0', u'ipaddr':
> u'10.20.101.181', u'netmask': u'255.255.255.0', u'defaultRoute': True,
> u'gateway': u'10.20.101.1'}}, {}, {u'connectivityCheck': False}) error:
> 'NoneType' object is not iterable"
>
>
> Is it possible to deploy an appliance to a network bond?  My Network guy
> has configured my ports in the switch so i can connect via bonded links.
>  however, if the interfaces are not bonded, it will suspend the links.
>

With LACP & bonding mode 4 (the type of bonding you configure with a
switch), you *can* configure the link to be suspended if one of the member
ports are down, however that would only be desired in very specific edge
cases. I see no reason why you should be using such a configuration.
LACP is usually used to provide both aggregated bandwidth & port
redundancy. If one of the member ports fail, then the link is maintained
with the aggregated bandwidth of the remaining links. You don't even need
the bond configured on both sides, if you only configure it on one side,
then the ports fall back to individual/non-aggregated mode (although some
manufacturers only permit that in passive mode, not active mode).

If your bond is configured as you say, then I suggest you ask your network
guy to reconfigure the bond - you lose link redundancy at absolutely no
benefit.



>
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-- 
Doug
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