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Re: [Xen-users] Traffic accounting in xen.



Did you install from source or use the debian package?

Thanks 
-Tim

On Fri, 2006-08-25 at 10:17 +0530, Anand Gupta wrote:
> vnstat had some serious issues when i last used it. It was increasing
> the values of the data transfer of each adapters by a huge number each
> them they were shut off / turned back on. Even disabling the adapter
> was not having an effect on the same. 
> 
> I had tried to get support on the forums, however there was no
> response. Several posts on the forums showed majority of the people
> having the same issue.
> 
> On 8/20/06, Tim Post <tim.post@xxxxxxxxxxxxxxx> wrote:
>         I've had nice success using a utility like vnstat and naming
>         each
>         dom-u's vif. Vnstat stores each if's data in a separate db, so
>         its easy
>         for a dom-u's bandwidth consumption to follow it around as it
>         migrates.
>         
>         I haven't gotten it perfected yet, but I did have some major
>         headaches
>         trying to use iptables to account.. un-orderly (and
>         unexpected)
>         shutdowns via re-set or apc reboot can really cause problems.
>         
>         If you don't tinker much and don't often lose dom-0 , should
>         be fine. 
>         
>         http://humdi.net/vnstat/
>         
>         to get a copy of vnstat. it's apt-get-able as 'vnstat' if
>         you're using
>         Debian & friends.
>         
>         I've been tinkering with the idea of one small shared gfs
>         system to go 
>         in-between dom-0 hosts just for centralizing vnstat and other
>         things
>         that need to roam with dom-u's. Any sanity obtained from it is
>         entirely
>         up to your naming convention, however :)
>         
>         hth
>         -Tim
>         
>         On Sun, 2006-08-20 at 06:13 +0000, Paul M. wrote: 
>         > If dom0 is Linux based then IPTables can be used. You can
>         create a
>         > rule that matches the incoming or outgoing interface to that
>         of one of
>         > the domUs. The rule doesn't need an action. IPTables keeps
>         track of 
>         > the number of packets and bytes of packets matching a rule.
>         There are
>         > two things that you need to keep in mind:
>         > 1) The values will roll-over at some point. I would
>         recommend saving
>         > and then resetting the values every week or so. 
>         > 2) Your distribution might not save the current chains and
>         packet
>         > counts at shutdown/restart. You would need to modify your
>         start up
>         > scripts as needed.
>         > -Paul
>         >
>         > On 8/19/06, Ligesh < myself@xxxxxxxxxx> wrote:
>         > >
>         > >  Hello folks,
>         > >
>         > >   How do I do traffic accounting in Xen? How do I find out
>         how much data is being used by each of the domUs. Since the
>         only identification for the domU is the mac address, I can't
>         find any method for doing it unless xen supports it. 
>         > >
>         > >   Any help would be greatly appreciated.
>         > >
>         > >   Thanks.
>         > >
>         > >
>         > > --
>         > > :: Ligesh :: http://ligesh.com 
>         > >
>         > >
>         > >
>         > > _______________________________________________
>         > > Xen-users mailing list
>         > > Xen-users@xxxxxxxxxxxxxxxxxxx
>         > > http://lists.xensource.com/xen-users
>         > >
>         >
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>         >
>         >
>         
>         
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> 
> 
> 
> -- 
> regards,
> 
> Anand Gupta


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