[Swift-devel] Re: Worker connection

[Glen Hocky]

The OOPS project uses sed to set that parameter and create the sites file on
the fly. it's very effective

On Fri, Aug 13, 2010 at 12:54 PM, Mihael Hategan <hategan at mcs.anl.gov>wrote:

> On Fri, 2010-08-13 at 11:43 -0500, Jonathan Monette wrote:
> > Right now I am using "internalHostname".  I was just wondering if an
> > should this be changed since I am always changing this entry depending
> > if I am on login1 or login2?
>
> It should, but the question is to what.
>
> I offer $20 to the first person to find a reliable (that works on all TG
> sites + PADS + Intrepid), quick (that does not, by itself, delay worker
> startup or the overall workflow by more than a few seconds) and
> automated way of figuring out that IP. I reserve the right to refuse a
> solution if it does not meet certain propriety criteria that I did not
> necessarily specify here.
>
> (btw you could make a wrapper around swift that detects whether you are
> on login1 or login2 and picks one of two sites files and passes that to
> swift).
>
> Mihael
>
> >
> > On 8/13/10 11:35 AM, Mihael Hategan wrote:
> > > On Fri, 2010-08-13 at 11:30 -0500, Jonathan Monette wrote:
> > >
> > >> Hello,
> > >>       How does the worker decide what connection to connect to?  Right
> > >> now what I think it does is it runs ifconfig and greps the inet
> address
> > >> and then test each of these connections.  Is this correct?  When I am
> > >> running on PADS it seems that the worker always chooses the wrong
> > >> connection to the service.  It seems to choose the UBS0 connection
> where
> > >> the correct connection is the ib0 connection.  Is there a way that
> maybe
> > >> the worker can be fixed to choose a better connection or the correct
> > >> connection?  This seems to be only happening on PADS.
> > >>
> > >>
> > > That was temporary. Initially it would use the same address as the url
> > > in sites.xml. Then I added the "try all interfaces" thing, but in some
> > > cases the connect on certain wrong addresses does not fail quickly
> > > enough and has to timeout instead, which usually takes a few minutes.
> So
> > > that got disabled and only the frist address is used now (unless
> > > overridden - see below).
> > >
> > > You can say<profile namespace="globus"
> > > key="internalHostname">x.y.z.w</profile>  in sites.xml
> > >
> > > Mihael
> > >
> > >
> > >
> > >
> >
>
>
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