On Fri, 2005-10-14 at 00:42 +0100, Ewan Mellor wrote:
> On Thu, Oct 13, 2005 at 07:25:10PM -0400, Ted Kaczmarek wrote:
>
> > On Fri, 2005-10-14 at 10:59 +1300, Nicholas Lee wrote:
> > > On 10/14/05, Ted Kaczmarek <tedkaz@xxxxxxxxxxxxx> wrote:
> > >
> > > > Is their a way to get mapping of domU to vif ?
> > > > Log files don't provide it.
> > >
> > >
> > > nic@wuwei:~$ sudo xm network-list 2
> > > (1 ((backend-id 0) (mac aa:00:00:88:02:40) (handle 1) (backend
> > > /local/domain/0/backend/vif/2/1) (tx-ring-ref 521) (rx-ring-ref 522)
> > > (event-channel 10)))
> > >
> > >
> > > Replaces vif-list
> > >
> > > --
> > > Nicholas Lee
> > > http://stateless.geek.nz
> > > gpg 8072 4F86 EDCD 4FC1 18EF 5BDD 07B0 9597 6D58 D70C
> >
> > Well that makes it easy :-)
> >
> > xm create is not creating the interface, cut and dry.
> >
> >
> > Also appears the domid matches the bridge interface, which is good and
> > bad. From a snmp standpoint it really sucks when you have moving targets
> > of instances to deal with, takes the simple part right out of the
> > protocol as well as adding additional overhead. Would be best if the
> > domU's could be mapped to a particular bridge interface or at least
> > reuse the same one.
>
> Xend's not really involved by this point -- the problem has been passed on to
> the hotplug scripts, and any admin or distro is free to fiddle with these, of
> course. We already have vif-nat, vif-bridge, and vif-route -- there's nothing
> to stop you modifying these or replacing them with something that does more
> intelligent bridging or whatever you need.
>
> As for the bugs in the current implementations, it's clear that there are some
> real bugs here, and we'd certainly appreciate it if you can figure out whether
> the scripts are even running, and if they are, where and why they are failing.
> I think you are right that there is a timing or race issue here, but I don't
> have a good handle on where it is.
>
> Ewan.
>
Will see what I can dig up.
Regards,
Ted
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