On Thu, 24 Mar 2005, Jeff Templon wrote:
> Heh Heh,
>
> I'd forgotten all about Harold. I am getting ready to check my ETT code
> into CVS ... should I name the module Harold?
>
> J "LCG-ROLLOUT list server won't let me name it Stanley" T
The rollout list server is able to constrain the names of CVS modules?
Anyway, SB may have a few more ideas for Harold's new function.
In the meantime H. is just lending a hand in naming LFNs, for example.
> Maarten Litmaath wrote:
> > Jeff Templon wrote:
> >
> >> Hi,
> >>
> >> I am trying to debug a problem that Willem van Leeuwen intermittently
> >> sees: edg-rm cp fails with a 425 error "no route to host". It fails for
> >> example if he tries from a WN at SARA, but from a WN at some other
> >> places (e.g. Wuppertal) it works fine. I have verified the behavior in
> >> test jobs.
> >>
> >> I found the following information:
> >>
> >> https://savannah.cern.ch/bugs/?func=detailitem&item_id=2934
> >>
> >> and
> >>
> >> http://goc.grid.sinica.edu.tw/gocwiki/425_425_Can't_open_data_connection%2e
> >>
> >>
> >> that seem to indicate a firewall is the problem, on the WN side. If the
> >> WN is firewalled (I assume a NAT system has the same effect) then there
> >
> >
> > Indeed: a firewall or NAT problem.
> >
> >> are several alternative actions that should be taken. One of them is to
> >> set the number of streams to 1 (one) for both large and small files.
> >>
> >> Funny thing is, both NIKHEF and SARA have the large-file transfers set
> >> to 3, so we (NIKHEF) should have this error too. And the SFT is not
> >> picking it up. I think it should, and I suspect the reason is that
> >> transfers are only done for small files, not large files.
> >
> >
> > Exact. We should add a test that downloads a 100 MB file.
> >
> >> Can we have a test put in to SFT for this behavior? And Willem, see the
> >> savannah link for a solution: use gbf for the third-party replication,
> >> and then edg-rm cp to get the file again. I hope this will work. The
> >> alternative is to set the number of streams to one on the command line,
> >> I hope this is still possible in LCG 2.3.1.
> >
> >
> > Yes:
> >
> > -----------------------------------------------------------------------
> > $ edg-rm --vo dteam cr file:/etc/group -d lxb1767.cern.ch -l lfn:Harold
> > guid:8bcb69cd-233c-43bf-a4b6-c16c3307223a
> > $ edg-rm -v --vo dteam cp -n 1 lfn:Harold file:/tmp/nag
> > Running command : lcg-cp -v --vo dteam -n 1 lfn:Harold file:/tmp/nag
> > Source URL: lfn:Harold
> > File size: 671
> > Source URL for copy: gsiftp://lxb1767.cern.ch/flatfiles/LCG-CERT-SE01/
> > dteam/generated/2005-03-24/file913720aa-9bfa-4b71-90e4-33a34ba12b42
> > Destination URL: file:/tmp/nag
> > # streams: 1
> > Transfer took 690 ms
> > -----------------------------------------------------------------------
>
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