[Beowulf] PVM on wireless...

Bill Rankin wrankin at ee.duke.edu
Thu Feb 7 11:23:13 PST 2008

On Feb 7, 2008, at 1:41 PM, Robert G. Brown wrote:

> On Thu, 7 Feb 2008, Bill Rankin wrote:
>> I think that I managed to replicate your problem, Rob.
>> Laptop running CentoOS5, pvm 3.4.5-7(rpm), wireless ethernet.
>> Server running FC6, pvm 3.4.5-7(rpm)
>> Ssh working fine in both directions, PVM_ROOT and PVM_RSH set  
>> accordingly.
> Try it with the firewalls completely down and I'll bet it works.

Well, duh.

Yeah, that was it.  Although disabling the firewall on a wireless  
connection does not give me the warm fuzzies.

> However, it is REALLY strange that it works with them UP for some
> combinations.  Or not so strange -- that's what was fooling me, after
> all.  Perhaps the port ranges being used are varying with version or
> chance.

I suspect that's the issue here.


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