[GE users] could someone explain some things relative to the rsh_ parameters in qconf -mconf ?

templedf dan.templeton at sun.com
Tue Aug 25 18:03:57 BST 2009

You can configure 6.2 just like you could older versions, e.g. set 
rsh_command to /usr/bin/ssh and rsh_daemon to /usr/bin/sshd -i.  Man 
sge_conf(5).  The limitations are that if you use rsh, you run into a 
port limit on the master task node.  If you use ssh, you either have to 
use a version of ssh that's patched for Grid Engine, or your tight 
integrations become loose.


joelandman wrote:
> Hi folks:
>    I've determined that the non-advancing run non-advances among several 
> schedulers (in fact stopping at the same point), which suggests a common 
> problem (the cli version works just fine).
>    So I want to dig into the details of the rsh_daemon and the 
> rsh_command for 6.2u3.  I am assuming that the builtin option in the rsh 
> daemon means use something entirely internal to SGE.
>    Here are the questions:
> 1) can I use plain old ssh and sshd?
> 2) If I can use plain old ssh and sshd, how do I configure rsh_daemon 
> and rsh_program for this?
> 3) what is the impact (potential negative) of using the external 
> daemons?  Will this impact the openmpi environment (built in tight 
> integration via OpenMPI 1.3.2).
> Thanks in advance.
> Joe


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