Re: [Beowulf] PVM on wireless...

2008-02-07 Thread kohlja
Hey RGB! Glad the env var worked for you, and sorry PVM is such a port hog. :-] It was all written long before firewalls were in such common usage (heck, it was built around .rhosts for authentication! :). Btw, if I'm not mistaken, I think the master pvmd connects _back_ to the slave pvmd, too,

Re: [Beowulf] PVM on wireless...

2008-02-07 Thread Robert G. Brown
On Thu, 7 Feb 2008, [EMAIL PROTECTED] wrote: > It would really, really help if man pvm (or man pvmd or man pvm_intro) > documented a suitable firewall setting that will let PVM function > without just turning off the firewall altogether. There is no pvm setup > in /etc/services, for example

[Beowulf] Re: PVM on wireless...

2008-02-07 Thread David Mathog
> From: "Robert G. Brown" <[EMAIL PROTECTED]> > However, I've just manage to figure the problem out on my own. It is, > after all, a firewall issue. Good that you sorted that out. A word of warning though, just yesterday I ran into a case where the command to "turn the firewall off", didn't

Re: [Beowulf] PVM on wireless...

2008-02-07 Thread Bill Rankin
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 a

Re: [Beowulf] PVM on wireless...

2008-02-07 Thread Gerry Creager
FWIW, we saw this with ROCKS and MPICH, a couple of years ago. Took a lot of firewall tweaking, and it's been too many beers to recall the details, to get things working. It is odd. gerry Robert G. Brown wrote: On Thu, 7 Feb 2008, Bill Rankin wrote: I think that I managed to replicate you

Re: [Beowulf] PVM on wireless...

2008-02-07 Thread kohlja
Hi Robert/Rob/RGB! :-) On Thu, Feb 07, 2008 at 12:55:31PM -0500, Robert G. Brown wrote: > On Wed, 6 Feb 2008, [EMAIL PROTECTED] wrote: >> Hey Gang! >> Sounds like you're having some "fun" with PVM over wireless...? :-) >> (A buddy (Wael Elwasif) forwarded your discussion to me; >> pl

Re: [Beowulf] PVM on wireless...

2008-02-07 Thread Robert G. Brown
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 firewall

Re: [Beowulf] PVM on wireless...

2008-02-07 Thread Bill Rankin
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. Running "pvm" from the shell on the server and doing an "add

Re: [Beowulf] PVM on wireless...

2008-02-07 Thread Robert G. Brown
On Wed, 6 Feb 2008, [EMAIL PROTECTED] wrote: Hey Gang! Sounds like you're having some "fun" with PVM over wireless...? :-) (A buddy (Wael Elwasif) forwarded your discussion to me; please always feel free to copy "[EMAIL PROTECTED]" with PVM inquiries when you get stuck. I try to be pretty re

Re: [Beowulf] Re: PVM on wireless...

2008-02-07 Thread Bill Rankin
Update. I got PVM running on my laptop and successfully added one of my servers to the hostlist using the command line at the pvm prompt. This was over wireless. The laptop was running pvm 3.4.5-7 rpm under CentOS 5. The other machine had pvm 3.4.4 under CentOS 4. The main bits seemed

Re: [Beowulf] PVM on wireless...

2008-02-07 Thread Robert G. Brown
On Wed, 6 Feb 2008, Jim Lux wrote: Ahh.. but there is a "routing" process of sorts inside your AP. It has to bridge from the 802.3 wired world to the 802.11 wireless world, and that usually involves some store and forward type processing. Some of these are implemented as a store and forward