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Re: status of the Richmond cluster
hi steven,
thanks for your help. i'll check this out in the next day or two.
jerry
steven james wrote:
>
> Greetings,
>
> I believe I have all of the library issues dealt with.
>
> I noticed a possably confusing behaviour that might have been the root of
> some of this.
>
> Perl depends on several libraries in /lib to run. Unlike those in
> /usr/lib, they were being managed by caching rather than just being
> available from NFS. It can take about a minute for the libs to be fetched
> from the master. During that time, the app will appear hung, but will
> eventually start.
>
> I have pre-cached the files onto the node's local drive to try to avoid
> that delay.
>
> Since the libs are cached, once that startup penelty is paid, it doesn't
> happen again for those libs on that node until reboot.
>
> You can see this happen using tcpdump (I have a binary of it in my home
> directory). The libs are transferred as a stream of multicast packets.
>
> Please let me know if this gets it going. If problems remain, a good
> approach might be for me to make a copy of your test data and try the runs
> myself until the expected results come up.
>
> G'day,
> sjames
>
> On Thu, 14 Nov 2002, gilfoyle wrote:
>
> > hi steven,
> >
> > i'm checking in (when there is no beam) to find out the
> > status of the cluster. have the library issues been resolved?
> > if so, what was the solution? i'm itching to let this thing
> > get cooking.
> >
> > jerry
> >
> >
>
> --
> -------------------------steven james, director of research, linux labs
> ... ........ ..... .... 230 peachtree st nw ste 701
> the original linux labs atlanta.ga.us 30303
> -since 1995 http://www.linuxlabs.com
> office 404.577.7747 fax 404.577.7743
> -----------------------------------------------------------------------
--
Dr. Gerard P. Gilfoyle
Physics Department e-mail: ggilfoyl@richmond.edu
University of Richmond, VA 23173 phone: 804-289-8255
USA fax: 804-289-8482