Re: [Condor-users] Wrong hostname in Condor-G file staging

[Jan Ploski <Jan.Ploski@xxxxxxxx>]

condor-users-bounces@xxxxxxxxxxx schrieb am 01/29/2008 10:50:38 PM:

> On Jan 25, 2008, at 6:47 AM, Jan Ploski wrote:
> 
> > condor-users-bounces@xxxxxxxxxxx schrieb am 01/24/2008 11:12:19 PM:
> >
> >> Hello,
> >>
> >> Condor-G (from a 6.7.18 installation) is misbehaving on a machine 
> >> which
> >> has two IP addresses and two different hostnames. The internal 
> >> hostname
> >> (not mapped in the global DNS) keeps appearing in the
> >> sourceUrl/destinationUrl fields of the SOAP message used to request 
> >> file
> >
> >> staging from WS-GRAM, causing the job to be held with the "Globus 
> >> error:
> >
> >> Staging error for RSL element fileStageIn" message.
> >>
> >> How can we make Condor-G use the external hostname instead of the
> >> internal one? Am I right in assuming that the wrong hostname 
> >> resolution
> >> is performed somewhere in the Condor implementation and not in the
> >> GAHP/Globus Java components (i.e., do they get the RSL with the 
> >> resolved
> >
> >> hostname from condor_schedd or how does it work)?
> >
> > The problem is solved, so I will answer myself for the archive:
> >
> > The hostname resolution seems to happen in the condor_gridmanager 
> > process,
> > spawned by condor_schedd. The GAHP server which interfaces with the
> > Condor-shipped Globus components is in turn spawned by the
> > condor_gridmanager. GAHP most likely receives the (correctly or
> > incorrectly) resolved hostname from condor_gridmanager.
> >
> > The submission host's IP address set on its "external world" network
> > interface was being resolved via DNS to an internal hostname. To 
> > prevent
> > this, the /etc/hosts file was edited so that this IP address is 
> > resolved
> > to the external hostname. I'm still puzzled a bit about the workings 
> > of
> > the hostname resolution mechanism, but the SOAP messages now contain 
> > the
> > correct hostname.
> 
> 
> A correction for the archives:
> The globus-gridftp-server launched by the gridmanager to handle the 
> file transfers picks the hostname to use.

Are you sure? I was having a wrong hostname in the RFT SOAP message 
exchange, which I believe happens before the GridFTP server becomes 
involved? Do you mean these SOAP messages are constructed by the 
globus-gridftp-server?

Regards,
Jan Ploski