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

[Bryan Sockel]

I was able to get around this by dropping one of the nics out of the bond, 
and have the switch port reconfigured for a standard vlan, ran the setup and 
reconfigured network and re establish the bond.

-----Original Message-----
From: Doug Ingham <dougti at gmail.com>
To: Bryan Sockel <Bryan.Sockel at altn.com>
Cc: "users at ovirt.org" <users at ovirt.org>
Date: Tue, 28 Mar 2017 11:44:35 -0400
Subject: Re: [ovirt-users] Setting up hosted engine appliance on a bonded 
interface

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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