RE : [GE users] SGE 6.2 : use of ssh for qlogin/qrsh

igardais ionel.gardais at tech-advantage.com
Sun Nov 23 17:39:32 GMT 2008


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And I was looking for an easy way to do X forwarding to test the use of SGE in scheduling graphic apps.
As RH4 disabled TCP by default, this was an easier way than to activate TCP on every workstations ...

But while the users don't use SGE for graphic apps, this is not an issue anymore.

Ionel



-------- Message d'origine--------
De: igardais [mailto:ionel.gardais at tech-advantage.com]
Date: dim. 23/11/2008 18:34
?: users at gridengine.sunsource.net
Objet : RE : [GE users] SGE 6.2 : use of ssh for qlogin/qrsh
 
I was not able to make startmpi's '-catch_rsh' option to work with PEs.
So I used the startmpi script only to generate a machine file and forced the mpdboot/mpirun command inside the submitted script to use ssh (we use IntelMPI implementation).

Also, at this time, I was not aware that sge's rsh does not use xinetd rsh (and I want to avoid to open the r* commands on each nodes) so the use of ssh comforted me in this choice.

Ionel



-------- Message d'origine--------
De: reuti [mailto:reuti at staff.uni-marburg.de]
Date: dim. 23/11/2008 18:14
?: users at gridengine.sunsource.net
Objet : Re: [GE users] SGE 6.2 : use of ssh for qlogin/qrsh
 
Hi,

Am 23.11.2008 um 16:48 schrieb igardais:

> I'm glad to announce that I successfully upgrade our cluster to SGE  
> 6.2.
> However, when we were running 6.1 and earlier, I configured cluster- 
> wide rsh_ and rlogin_daemon to use 'sshd -i'.
> During 6.2 upgrade, I've choose to use the new IJS mode :  
> parameters now read "builtin".
>
> Is the reporting and lost-of-control issues are closed with 6.2 so  
> I can keep going to use public-key ssh ?
>
you will have to compile SGE on your own with the switch "-tight-ssh".

> or should I try to make our MPI programs to use that 'builtin'  
> method so we will be 'compatible' with future release of SGE ?
>

What was the reason for you in the past to use ssh?

-- Reuti

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