[Users] Bonding - VMs Network performance problem

[Itamar Heim]

On 07/16/2013 04:09 PM, Ricardo Esteves wrote:
> Hi,
>
> Not really.
>
> I can resolve temporally, unconfiguring the bond and then configure it
> again.
>
> But when i reboot the server the problem comes back.

can you compare the network configuration before and after you change it 
the setup network?

>
>
> -----Original Message-----
> *From*: Itamar Heim <iheim at redhat.com
> <mailto:Itamar%20Heim%20%3ciheim at redhat.com%3e>>
> *To*: Ricardo Esteves <maverick.pt at gmail.com
> <mailto:Ricardo%20Esteves%20%3cmaverick.pt at gmail.com%3e>>
> *Subject*: Re: [Users] Bonding - VMs Network performance problem
> *Date*: Tue, 16 Jul 2013 15:38:10 +0300
>
> On 07/01/2013 03:12 PM, Ricardo Esteves wrote:
>> Hi,
>>
>> Yes, i'm still experiencing this problem, in fact just happened a few
>> minutes ago. :)
>>
>> All MTUs are 1500.
>
> was this resolved?
>
>>
>> -----Original Message-----
>> *From*: Livnat Peer <lpeer at redhat.com  <mailto:lpeer at redhat.com>
>> <mailto:Livnat%20Peer%20%3clpeer at redhat.com%3e>>
>> *To*: Ricardo Esteves <maverick.pt at gmail.com  <mailto:maverick.pt at gmail.com>
>> <mailto:Ricardo%20Esteves%20%3cmaverick.pt at gmail.com%3e>>
>> *Subject*: Re: [Users] Bonding - VMs Network performance problem
>> *Date*: Sun, 23 Jun 2013 11:33:58 +0300
>>
>> Hi Ricardo,
>> Are you still experiencing the problem described below?
>> Are you configuring MTU (to something other than default or 1500) for
>> one of the networks on the bond?
>>
>> Thanks, Livnat
>>
>> On 06/18/2013 05:36 PM, Ricardo Esteves wrote:
>>> Good afternoon,
>>>
>>> Yes, the "Save network configuration" is checked, configurations are
>>> persistent across boots.
>>>
>>> The problem is not the persistence of the configurations, the problem is
>>> that after a reboot the network performance on the VMs is very bad, and
>>> to fix it i need to remove the bonding and add it again.
>>>
>>> In attachment, the screenshots of my network configuration.
>>>
>>> Best regards,
>>> Ricardo Esteves.
>>>
>>> -----Original Message-----
>>> *From*: Mike Kolesnik <mkolesni at redhat.com  <mailto:mkolesni at redhat.com>   <mailto:mkolesni at redhat.com>
>>> <mailto:Mike%20Kolesnik%20%3cmkolesni at redhat.com%3e>>
>>> *To*: Ricardo Esteves <maverick.pt at gmail.com  <mailto:maverick.pt at gmail.com>   <mailto:maverick.pt at gmail.com>
>>> <mailto:Ricardo%20Esteves%20%3cmaverick.pt at gmail.com%3e>>
>>> *Cc*:Users at ovirt.org  <mailto:Users at ovirt.org>   <mailto:Users at ovirt.org>  <mailto:Users at ovirt.org>
>>> *Subject*: Re: [Users] Bonding - VMs Network performance problem
>>> *Date*: Sun, 26 May 2013 04:57:43 -0400 (EDT)
>>>
>>>
>>>
>>> ------------------------------------------------------------------------
>>>
>>>
>>>     Hi,
>>>
>>>     I've got ovirt installed on 2 HP BL460c G6 blades, and my VMs have
>>>     very poor network performance (around 7,01K/s).
>>>
>>>     On the servers itselfs there is no problem, i can download a file
>>>     with wget at around 99 M/s.
>>>
>>>     Then i go to ovirt network configuration remove the bonding and then
>>>     make the bonding again and the problem gets fixed (i have to do this
>>>     everytime i reboot my blades).
>>>
>>> Have you tried to check the "Save network configuration" check box, or
>>> clicking the button from the host's NICs  sub-tab?
>>>
>>> This should persist the configuration that you set on the host across
>>> reboots..
>>>
>>>
>>>     SERVER' s Software:
>>>     CentOS 6.4 (64 bits) - 2.6.32-358.6.2.el6.x86_64
>>>     Ovirt EL6 official rpms.
>>>
>>>     Anyone experienced this kind of problems?
>>>
>>>     Best regards,
>>>     Ricardo Esteves.
>>>
>>>
>>>
>>>     _______________________________________________
>>>     Users mailing list
>>>Users at ovirt.org  <mailto:Users at ovirt.org>   <mailto:Users at ovirt.org>
>>>http://lists.ovirt.org/mailman/listinfo/users
>>>
>>>
>>>
>>>
>>>
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>>>
>>
>>
>>
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>