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

2008-02-06 Thread Reuti
Am 07.02.2008 um 00:18 schrieb Bill Rankin: I have a home setup similar to yours - a WAP acting as a firewall, dhcp from a linux server. I have a spare laptop running CentOS, so I'll give it a check tonight to see if mine runs. Q1: to you have DHCP giving a static address to your laptop ba

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

2008-02-06 Thread Bill Rankin
I have a home setup similar to yours - a WAP acting as a firewall, dhcp from a linux server. I have a spare laptop running CentOS, so I'll give it a check tonight to see if mine runs. Q1: to you have DHCP giving a static address to your laptop based upon it's MAC? Q2: have you tried this

Re: [Beowulf] PVM on wireless...

2008-02-06 Thread kohlja
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 responsive, though this is all unfunded work now..

Re: [Beowulf] PVM on wireless...

2008-02-06 Thread Jim Lux
At 01:28 PM 2/6/2008, Robert G. Brown wrote: On Wed, 6 Feb 2008, Reuti wrote: Just an idea to check: PVM can also be started without rsh/ssh between the machines. You have to copy and paste some things from here to there and back and can startup all daemons this way by hand (page 30 in the PV

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

2008-02-06 Thread Robert G. Brown
On Wed, 6 Feb 2008, David Mathog wrote: Anybody on list have any idea why PVM fails to add hosts over a wireless link? I've now tried this over multiple distro version and at least one PVM update, and it just doesn't work. Works fine over a wire, fails on wireless, and as far as I know wire

Re: [Beowulf] PVM on wireless...

2008-02-06 Thread Robert G. Brown
On Wed, 6 Feb 2008, Jim Lux wrote: You brave man.. trying to do what is trivial in a wired network with wireless stuff. I would look for timing assumptions that aren't met in the wireless environment. There's a channel capacity issue, of course, but there's also some constraints on round tri

Re: [Beowulf] PVM on wireless...

2008-02-06 Thread Robert G. Brown
On Wed, 6 Feb 2008, Reuti wrote: Just an idea to check: PVM can also be started without rsh/ssh between the machines. You have to copy and paste some things from here to there and back and can startup all daemons this way by hand (page 30 in the PVM book). Maybe this works - just to narrow the

[Beowulf] Re: PVM on wireless...

2008-02-06 Thread David Mathog
> Anybody on list have any idea why PVM fails to add hosts over a wireless > link? I've now tried this over multiple distro version and at least one > PVM update, and it just doesn't work. Works fine over a wire, fails on > wireless, and as far as I know wire and wireless are both "identical" >

Re: [Beowulf] PVM on wireless...

2008-02-06 Thread Reuti
Am 06.02.2008 um 19:21 schrieb Robert G. Brown: On Wed, 6 Feb 2008, Bill Rankin wrote: Hey Rob, Could it be a node naming issue where the wireless IP does not resolve to the same address as that used in the machinefile? I seem to recall a similar issue back when we PVM on machines with

Re: [Beowulf] PVM on wireless...

2008-02-06 Thread Jim Lux
At 07:40 AM 2/6/2008, Robert G. Brown wrote: Anybody on list have any idea why PVM fails to add hosts over a wireless link? I've now tried this over multiple distro version and at least one PVM update, and it just doesn't work. Works fine over a wire, fails on wireless, and as far as I know wir

Re: [Beowulf] PVM on wireless...

2008-02-06 Thread Lombard, David N
On Wed, Feb 06, 2008 at 10:40:30AM -0500, Robert G. Brown wrote: > Anybody on list have any idea why PVM fails to add hosts over a wireless > link? I've now tried this over multiple distro version and at least one > PVM update, and it just doesn't work. Works fine over a wire, fails on > wireless

Re: [Beowulf] PVM on wireless...

2008-02-06 Thread Robert G. Brown
On Wed, 6 Feb 2008, Bill Rankin wrote: Hey Rob, Could it be a node naming issue where the wireless IP does not resolve to the same address as that used in the machinefile? I seem to recall a similar issue back when we PVM on machines with multiple network connections. pvmd is actually star

Re: [Beowulf] PVM on wireless...

2008-02-06 Thread Reuti
Hi, Am 06.02.2008 um 16:40 schrieb Robert G. Brown: Anybody on list have any idea why PVM fails to add hosts over a wireless link? I've now tried this over multiple distro version and at least one PVM update, and it just doesn't work. Works fine over a wire, fails on wireless, and as fa

Re: [Beowulf] PVM on wireless...

2008-02-06 Thread Bill Rankin
Hey Rob, Could it be a node naming issue where the wireless IP does not resolve to the same address as that used in the machinefile? I seem to recall a similar issue back when we PVM on machines with multiple network connections. Just a thought, -bill On Feb 6, 2008, at 10:40 AM, Robe

Re: [Beowulf] PVM on wireless...

2008-02-06 Thread Peter St. John
RGB, Are you using 3.4.5 re "improved use on Beowulf..."? I was thinking along the lines of the script invoking PVM doing something to reboot or refresh the network, and saw "New features in PVM 3.4.x include communication contexts...". I'd be happy to read a perl or Cish thing if an extra pair of

[Beowulf] PVM on wireless...

2008-02-06 Thread Robert G. Brown
Anybody on list have any idea why PVM fails to add hosts over a wireless link? I've now tried this over multiple distro version and at least one PVM update, and it just doesn't work. Works fine over a wire, fails on wireless, and as far as I know wire and wireless are both "identical" at the ker