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From: redirecting decoy (redirectingdecoy_at_[hidden])
Date: 2004-09-15 07:49:09


Hi,

I'm using globus simply for Proof Of Concept. Wanted
to play with it, and see what it can do as far as grid
services are concerned. Right now all my nodes are on
the same switch.

-RD

--- Jeff Squyres <jsquyres_at_[hidden]> wrote:

> That's an interesting trick!
>
> If that works, that must mean that you have UDP
> connectivity between
> all your nodes. Is there a reason that you're using
> globus, then? Are
> they different authentication relams, perhaps?
>
>
> On Sep 10, 2004, at 4:48 PM, redirecting decoy
> wrote:
>
> > Hmm, I was afraid the I would have to install
> globus
> > on all of the nodes. I wanted to avoid doing this,
> > because configuring globus is a bit troublesome.
> > Attempting to do this correctly across all my
> nodes is
> > a headache waiting to happen. I did find another
> > solution that seems to work, although it's not
> very
> > elegant.
> >
> > This is what I did:
> > "lamboot -v -ssi boot globus machines.globus" one
> of
> > the frontend nodes. This creates the globus
> > connection between my two frontends. Then I ssh'ed
> > into each frontend, and did a:
> > "lamgrow -v compute-0-X" X=Number of the node
> 0-3
> > doing this on both frontends, seems to create a
> lam
> > universe fine. Obviously the above command can be
> put
> > into a script. Anyway, this seems to work just
> fine,
> > but I am still testing to see if any
> errors/problems
> > arise. Although, I would like a better way of
> doing
> > it. I am open to any suggestions. Perhaps an
> elegant
> > solution exists.
> >
> > If anyone has any ideas, please let me know.
> >
> > Thanks,
> >
> > -RD
> >
> >
> > --- Vishal Sahay <vsahay_at_[hidden]> wrote:
> >
> >> Currenly LAM's support for Globus is only on
> >> machines which have the
> >> Globus gatekeeper running. It looks like your
> front
> >> end machines are the
> >> only two that have the gatekeepers and then they
> >> kind of schedule jobs to
> >> the internal nodes. LAM currently does not
> support
> >> such configurations.
> >> You need to have Globus installed and the
> gatekeeper
> >> running on each
> >> machine you wish to run LAM jobs on.
> >>
> >> -Vishal
> >>
> >>
> >> On Fri, 10 Sep 2004, redirecting decoy wrote:
> >>
> >> # Hello everyone,
> >> #
> >> # I am using lam-mpi 7.0.6 and the Globus Tool
> Kit
> >> 3.2.1
> >> # on 2 different clusters with 4 nodes each.
> There
> >> is a
> >> # total of 10 machines, 2 Frontends and 8 Nodes.
> >> These
> >> # are ROCKS based. I have been able to get the
> Lam
> >> # universe to boot using globus. However, I only
> >> have
> >> # the 2 frontends(grids) in the machine file. My
> >> # question is, how do I get Lam to use all 10
> >> machines,
> >> # both frontends with the nodes behind them.
> >> #
> >> # Here is some more information on my setup:
> >> # Each frontend has 2 nics, with the compute
> nodes
> >> on 10
> >> # dots. Globus is installed on the 2 Frontends,
> and
> >> lam
> >> # is installed on all of the machines.
> >> #
> >> # Frontend0.public: 192.168.10.16
> >> # compute-0-0: 10.255.255.254
> >> # compute-0-1: 10.255.255.253
> >> # compute-0-2: 10.255.255.252
> >> # compute-0-3: 10.255.255.251
> >> #
> >> # Frontend1.public: 192.168.10.17
> >> # compute-0-0: 10.1.2.254
> >> # compute-0-1: 10.1.2.253
> >> # compute-0-2: 10.1.2.252
> >> # compute-0-3: 10.1.2.251
> >> #
> >> # I created a file called machines.globus:
> >> # machines.globus:
> >> # Frontend0.public prefix=/usr/local/lam
> >> # Frontend1.public prefix=/usr/local/lam
> >> #
> >> #
> >> # And used the following command to boot.:
> >> # lamboot -v -ssi boot globus machines.globus
> >> #
> >> # So this works fine, but how do I include the
> rest
> >> of
> >> # the nodes ? Any help will be greatly
> appreciated.
> >> #
> >> # Thanks in advance,
> >> #
> >> # -RD
> >> #
> >> #
> >> #
> >> # _______________________________
> >> # Do you Yahoo!?
> >> # Shop for Back-to-School deals on Yahoo!
> Shopping.
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> >> # _______________________________________________
> >> # This list is archived at
> >> http://www.lam-mpi.org/MailArchives/lam/
> >> #
> >> _______________________________________________
> >> This list is archived at
> >> http://www.lam-mpi.org/MailArchives/lam/
> >>
> >
> >
> >
> >
> > _______________________________
> > Do you Yahoo!?
> > Shop for Back-to-School deals on Yahoo! Shopping.
> > http://shopping.yahoo.com/backtoschool
> > _______________________________________________
> > This list is archived at
> http://www.lam-mpi.org/MailArchives/lam/
> >
>
> --
> {+} Jeff Squyres
> {+} jsquyres_at_[hidden]
> {+} http://www.lam-mpi.org/
>
> _______________________________________________
> This list is archived at
> http://www.lam-mpi.org/MailArchives/lam/
>

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