Newsgroups: comp.parallel.pvm
From: Dr Tugrul Comlekci <tc@mecheng.strath.ac.uk>
Subject: Duplicate host error.
Organization: University of Strathclyde
Date: Fri, 11 Oct 1996 12:10:08 +0000
Mime-Version: 1.0
Content-Type: text/plain; charset=iso-2022-jp
Content-Transfer-Encoding: 7bit
Message-ID: <325E3920.7CA2@mecheng.strath.ac.uk>

Help: we have a problem setting up a virtual machine on our network, has
anyone experienced a similar problem and what are the likely causes and
solutions? 

We are running PVM Version 3.3.9 on a network of 30 Silicon Graphics
Indy workstations running IRIX 5.3. Sometimes we receive an error while
adding hosts to the virtual machine: Duplicate host:


------------------------------
cairngorm% pvm
pvm> add vane
1 successful
                    HOST     DTID
                    vane    80000
pvm> 
pvm> 
pvm> add hope
0 successful
                    HOST     DTID
                    hope Duplicate host

---------------------

When we try to start up pvm from that host PVM gives the following error
and would not start:

---------------------
hope% pvm
libpvm [pid1556]: mksocs() connect: Connection refused
pvmd already running.
libpvm [pid1556]: mksocs() connect: Connection refused
libpvm [pid1556]: mksocs() connect: Connection refused
libpvm [pid1556]: mksocs() connect: Connection refused
libpvm [pid1556]: pvm_mytid(): Can't contact local daemon

----------------------

There are not any other PVM deamons running in the background. And it is
different hosts giving this error on different days. We can get a
virtual machine with 26 hosts one day but we can only add two hosts on
another day. 

Can anyone help us trace this error ?

Tugrul Comlekci

University of Strathclyde
Mechanical Engineering Department
Glasgow, U.K.

