Re: [Xen-users] Monitoring Xen!

[Henrique Fernandes <sf.rique@xxxxxxxxx>]

[]'sf.rique

On Mon, Feb 14, 2011 at 3:12 PM, Peter Phaal <peter.phaal@xxxxxxxxx> wrote:

Henrique,

You might want to take a look at Host sFlow:

http://host-sflow.sourceforge.net/

The agent is installed on Dom0 and will report on Dom0 performance as
well as statistics for each virtual machine.

Gonna look into! Thanks!

Are you planning to use the Open vSwitch? The Open vSwitch is part of
the Xen Cloud Platform (XCP) and includes sFlow to provide detailed
visibility into inter-VM network traffic as well as exporting vNIC
interface counters.

The XCP is an alternative, but i don't think we gonna start use it anytime soon.
But thanks!

 

SNMP polling doesn't work very well in dynamic environments where
virtual machines may be frequently created, destroyed or migrated. The
sFlow protocol uses a push model instead, making it extremely scalable
and very responsive to changing configurations.

Have you considered using Ganglia for monitoring your XEN servers?
Ganglia was designed to monitor clusters and grids and deals with
large server pools very well. The current development branch of
Ganglia (trunk) supports sFlow:

http://blog.sflow.com/2010/10/ganglia.html

Peter

I am gonna also start reading it.

It seens pretty good.


If anyone has anyother tip! i will be glad!!

Thanks.

On Mon, Feb 14, 2011 at 7:59 AM, Henrique Fernandes <sf.rique@xxxxxxxxx> wrote:
> I am trying to figure out how to monitor XEN.
>
> I use cacti for graph pretty much all my servers.
>
> But XEN will start to monitor now.
>
> I  have some questions about it.
>
> How do i get the CPU load on Dom0 like, the really CPU use ? barematel cpu i
> guess.
>
> I supose that snmp will give me the interface traffic ok.
>
> Some how to monitor IO/wait of Dom0
>
> I want to graph all stuff on Dom0 like the sum of each virtual machine in
> vms.
>
> Does any one can help ?
>
> Thnaks!
>
> I am new at Xen, i just got someone else work. He left the company and now i
> have to take care of Xen. Hope you guys understad that i am new and does not
> know much xen.
>
> []'sf.rique
>

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