[ovirt-users] Can't add logical network

[Davide Ferrari]

Ok, didn't read the doc properly, now it works as expected. Sorry for the
noise!

2016-09-21 15:55 GMT+02:00 Davide Ferrari <davide at billymob.com>:

> 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
>



-- 
Davide Ferrari
Senior Systems Engineer
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