Newsgroups: comp.parallel.pvm
From: ambati@apollo.HP.COM (Ashok Ambati)
Subject: Re: PVM on HPPA cluster?
Organization: Hewlett-Packard Company, Chelmsford, MA
Date: Thu, 16 Feb 1995 14:16:34 GMT
Message-ID: <D43Jnn.77t@apollo.hp.com>

In article <3htaep$5ep@zaphod.crihan.fr>, lfigueir@crihan.fr (Luis Figueira) writes:
|> Hello, I'm installing PVM on the HP9000 machines in our sites, which
|> include a cluster. The problem is that I can only add one of the
|> machines from the cluster at a time to my virtual machine. Is there 
|> any way to circunvent this problem and add all the machines (which
|> are diskless) of the cluster to my virtual machine?
|> 
|> Thanks a lot,
|> --
|>   1958, 1962, 1970, 1994 ===> Rumo ao Penta!
|> ------------- Laboratoire d'Energetique et de Detonique --------------
|>   Luis Fernando Figueira da Silva       |   URA 193 au CNRS -- ENSMA
|>   Tel   : +(33) 49 53 70 89             |   Site du CEAT
|>   Fax   : +(33) 49 53 70 01             |   43, rue de l'Aerodrome
|>   E-mail: da-silva@univ-poitiers.fr     |   86036 Poitiers CEDEX
|>           lfigueir@crihan.fr            |   FRANCE
|> ----------------------------------------------------------------------
|>           "Onde pisas no chao, minhalma salta
|>            E ganha liberdade na amplidao"
|>                                  Caetano 
It appears that the cluster nodes share a /tmp directory. So when one node is
added, the /tmp/pvm.<uid> file created does not permit other cluster nodes to
be added to the Virtual Machine. One solution is to recompile pvm for the
cluster with -DSHAREDTMP added to the ARCHCFlAGS line of the HPPA.def file.
This will cause the name of each pvmd file created in the /tmp directory with
the hostname that is being added and permit multiple nodes to be added.

Hope this helps.

Ashok Ambati.

