btw it would be good if all this could be reflected in
http://goc.grid.sinica.edu.tw/gocwiki/How_to_run_CEs_with_the_PBS_manager_installed_on_a_different_host
On Tue, 7 Feb 2006, Simon George wrote:
> Hi Steve, the two mauis are the same version but different builds - one
> built by hand, the other from the LCG rpm. Copying one to the other works
> - thanks.
>
> Cheers,
> Simon
>
>
> On Tue, 7 Feb 2006, Steve Traylen wrote:
>
> > On Tue, Feb 07, 2006 at 12:00:16PM +0000 or thereabouts, Simon George wrote:
> > > Thanks Steve. This should solve it in principle, but I tried it quickly
> > > and ran into the following problems.
> > >
> > > I tried this on a remote node from the maui server (like the CE):
> > >
> > > apt-get install maui-clients
> > > (installs maui and maui-clients)
> > >
> > > diagnose --host=the.maui.server.ac.uk --port=42559 -f
> > > ERROR: lost connection to server
> > > ERROR: cannot request service (status)
> > >
> > > On the maui server I get this error logged:
> > > 02/07 11:40:44 ALERT: checksum does not match
> > > (f0436cac096a05f4:bf9ec90605faa1d5) request 'TS=1139312444 AUTH=root
> > > DT=CMD=diagnose AUTH=root ARG=7 0 ALL [NONE]
> >
> > This is a very very odd feature of maui.
> >
> > Your clients and server must be from the same compilation as one
> > another or else they will not communicate. I guess some key or
> > something is generated at compile time. Copy the existing binary from
> > your scheduler and see if that works. Where did the maui build on
> > your scheduler come from?
> >
> > Steve
> > >
> > > I checked the firewall is open for this between CE/maui server node.
> > >
> > > Do you have any idea what this error means?
> > > For once google was not much help.
> > >
> > > Cheers,
> > > Simon
> > >
> > > ---------------------------------------------------------------------------
> > > Simon George, Dept of Physics, Royal Holloway college, University of London
> > > Email [log in to unmask] Tel. +44 1784 41 41 85 Fax. +44 1784 472794
> > >
> > > On Tue, 7 Feb 2006, Steve Traylen wrote:
> > >
> > > > On Tue, Feb 07, 2006 at 10:21:29AM +0000 or thereabouts, Simon George wrote:
> > > > > Hi,
> > > > >
> > > > > just a naive query: I have the impression from this thread that maui needs
> > > > > to be running on the CE in order to publish the state of the queues. But
> > > > > there are many sites which have torque + maui running on a batch farm
> > > > > front end which is not a LCG node. The CE just runs torque set up to
> > > > > use the queues on the front end. The CE does not have maui because the
> > > > > scheduling is not done on the CE. i.e. the setup as described here:
> > > > > http://goc.grid.sinica.edu.tw/gocwiki/How_to_run_CEs_with_the_PBS_manager_installed_on_a_different_host
> > > > >
> > > > > Hopefully you already thought of this and it isn't a problem, but I was
> > > > > just starting to wonder as the thread progressed.
> > > > Hi Simon
> > > >
> > > > You can run in the split mode you describe. The CE(gatekeeper) will just need the maui-clients
> > > > package and a simple maui.cfg containing only:
> > > >
> > > > SERVERHOST csflnx353.rl.ac.uk
> > > >
> > > > on your gatekeeper
> > > >
> > > > Steve
> > > >
> > > > >
> > > > > Thanks,
> > > > > Simon
> > > >
> > > > --
> > > > Steve Traylen
> > > > [log in to unmask]
> > > > http://www.gridpp.ac.uk/
> > > >
> >
> > --
> > Steve Traylen
> > [log in to unmask]
> > http://www.gridpp.ac.uk/
> >
>
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