[ovirt-users] Can't add logical network

[Davide Ferrari]

Ok, just saw that if I go to

Networks -> br20 -> Hosts -> Unattached -> right click on  vm04 -> setup
host networks

But there I cannot see the bond0.20 interface, just bond0 and bond1

2016-09-21 15:08 GMT+02:00 Davide Ferrari <davide at billymob.com>:

> By the way, what are the exact steps to add a new network in oVirt?
> Because I was following this guide
>
> https://www.ovirt.org/documentation/how-to/networking/bonding-vlan-bridge/
>
> that basically explains how to create manually a standard
> bond+vlan+bridge, that I already did on my ovirt hosts, but I can't manage
> to get the network working in the VMs. Ovirt always complains about that
> the network is not available on that host.
> I created a network named "br20" in my case.
> My ifcfg-* files:
>
> [root at vm04 network-scripts]# cat ifcfg-bond0.20
> DEVICE=bond0.20
> VLAN=yes
> BOOTPROTO=none
> NM_CONTROLLED=no
> BRIDGE=br20
> MTU=1500
> [root at vm04 network-scripts]# cat ifcfg-br20
> TYPE=Bridge
> NM_CONTROLLED="no"
> BOOTPROTO="none"
> DEVICE="br20"
> IPADDR=192.168.9.228
> NETMASK=255.255.255.0
> ONBOOT="yes"
> DEFROUTE=no
>
> What am I missing?
>
> 2016-09-21 7:53 GMT+02:00 Edward Haas <ehaas at redhat.com>:
>
>>
>>
>> On Tue, Sep 20, 2016 at 12:13 PM, Maxence Sartiaux <contact at makz.me>
>> wrote:
>>
>>> Okay, i found a workaround.
>>>
>>> - Create empty ifcfg-lan on all hosts (touch
>>> /etc/sysconfig/network-scripts/ifcfg-lan)
>>> - Assign the bridge to the bond (Ovirt only add MTU=1500 in the file)
>>> - Unassign the bridge (Ovirt rewrite the bond configuration files)
>>> - Re-assign the bridge on the bond
>>> - yay it work !
>>>
>>
>> I would recommend describing the exact steps you do, provide output of the
>> ifcfg list of files at each step + vdsm and supervdsm logs.
>>
>> I am not clear what is the 'lan' device is representing, is this your
>> bond name?
>> network name?
>>
>>
>>
>>>
>>> On Tue, 2016-09-20 at 10:08 +0200, Maxence Sartiaux wrote:
>>>
>>> I configured the bond manually by editing the ifcfg file like i did in
>>> my old install on ovirt 3.6 and 4.0
>>>
>>> the only ifcfg file i have are the 4 for the physical interfaces, two
>>> for the bonds and one for the ovirtmgmt bridge.
>>>
>>> I'll send the vdsm log later.
>>>
>>> On Mon, 2016-09-19 at 10:14 -0400, Francesco Romani wrote:
>>>
>>>
>>> From: "Maxence Sartiaux" <contact at makz.me>
>>> To: "users" <users at ovirt.org>
>>> Sent: Monday, September 19, 2016 11:53:12 AM
>>> Subject: [ovirt-users] Can't add logical network
>>>
>>> Hello,
>>>
>>> On a clean install ovirt 4.0.3-1, i've configured my bond on my
>>> hypervisor, created a new network on the engine and now i try to
>>> assign the logical network to my bond in the host network settings.
>>>
>>> When i save the configuration, the engine throw me an error and the
>>> following event
>>>
>>> VDSM hypervisor1 command failed: [Errno 2] No such file or directory:
>>> u'/etc/sysconfig/network-scripts/ifcfg-lan'
>>>
>>> if i "touch" the file manually i don't have this error but my file
>>> only contain "MTU=1500" nothing more.
>>>
>>> Engine bug or i miss something ?
>>>
>>> How you configured the bond on your hypervisor?
>>> Seems like Vdsm doesn't like your changes, perhaps it cannot just
>>> identify the interface configuration
>>>
>>> Edward, do you have any recommendations about this flow?
>>>
>>> --
>>> Francesco Romani
>>> RedHat Engineering Virtualization R & D
>>> Phone: 8261328
>>> IRC: fromani
>>>
>>> _______________________________________________
>>> Users mailing list
>>> Users at ovirt.org
>>> http://lists.ovirt.org/mailman/listinfo/users
>>>
>>>
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>>> Users mailing list
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>>> http://lists.ovirt.org/mailman/listinfo/users
>>>
>>>
>>
>> _______________________________________________
>> Users mailing list
>> Users at ovirt.org
>> http://lists.ovirt.org/mailman/listinfo/users
>>
>>
>
>
> --
> Davide Ferrari
> Senior Systems Engineer
>



-- 
Davide Ferrari
Senior Systems Engineer
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