[hobbit] Proxy

[Ralph Mitchell]

I've used zeros:

     0.0.0.0 some.host   # noconn

Maybe "noconn" is not necessary - I found at one time, Big Brother
seemed to want to ping 0.0.0.0, so I started putting it in.

Ralph Mitchell


On 7/20/06, Brodie, Kent <brodie at mcw.edu> wrote:
> One question I didn't get answered (or, if I did, I missed it!)
>
> What IP address do I list in the bb-hosts file for the servers (the ones
> it can't really see, but the proxy can)?
>
> Since I can't ping those hosts from my main BB server, but I still want
> those hosts listed- I'm a bit confused..  :-)
>
> -----Original Message-----
> From: Henrik Stoerner [mailto:henrik at hswn.dk]
> Sent: Friday, July 14, 2006 4:24 PM
> To: hobbit at hswn.dk
> Subject: Re: [hobbit] Proxy
>
> bbproxy is written so it can run as a stand-alone application. So
> unless you want to run network tests against the cluster nodes
> (your next question), then you can just copy the bbproxy executable
> over to the head node and run it by itself.
>
> However, since you probably also want to do a ping test of the cluster
> nodes, it would make the most sense to do a Hobbit server installation
> on the head node. The you would disable everything in hobbitlaunch.cfg,
> except the bbproxy and the network test tasks.
>
>
> Regards,
> Henrik
>
> On Fri, Jul 14, 2006 at 03:47:03PM -0500, Brodie, Kent wrote:
> > Followup:
> >
> > What is the typical or preferred way of "running bbproxy" ?   Do I
> > simply fire up the bbproxy executable, feeding it the few options it
> > needs, or do I set up a "hobbit server" on that node with
> > specially-configured files found in ../server/etc?
> >
> >
> > ---------------------------------------------------------
> > Kent C. Brodie - brodie at phys.mcw.edu
> > Department of Physiology
> > Medical College of Wisconsin
> > (414) 456-8590
> > -----Original Message-----
> > From: Henrik Stoerner [mailto:henrik at hswn.dk]
> > Sent: Friday, July 14, 2006 3:34 PM
> > To: hobbit at hswn.dk
> > Subject: Re: [hobbit] Proxy
> >
> > On Fri, Jul 14, 2006 at 02:18:58PM -0500, Brodie, Kent wrote:
> > > Hi- can someone briefly explain how the bbproxy stuff works?      We
> > > have a cluster whose "head node" is accessible, but the cluster
> nodes
> > > are hidden behind that server.
> > >
> > > If someone can explain how something like this is set up, that'd be
> > > super..
> > >
> > > =============================================================
> > (network)
> > > [hobbit server]       [most of my nodes]      [head node]
> > >                                                   ||
> > >                                                   ||
> > >                                              [cluster nodes]
> >
> > Since your cluster nodes can talk to the head node, and the head node
> > can talk to the hobbit server, the most simple solution would be to
> run
> > bbproxy on the head node of the cluster.
> >
> > Your cluster nodes would then use the head node's bbproxy as their
> > BBDISPLAY server. bbproxy on the head node would be configured to
> > forward messages to the real hobbit server.
>
>
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