[mpich-discuss] mpich-1.2.7p1 secure servers question

[Rajeev Thakur]

Why don't you use MPICH2 instead of MPICH-1 with the secure server?

Rajeev 

> -----Original Message-----
> From: owner-mpich-discuss at mcs.anl.gov 
> [mailto:owner-mpich-discuss at mcs.anl.gov] On Behalf Of 
> Achilles Vassilicos
> Sent: Wednesday, March 19, 2008 10:40 AM
> To: mpich-discuss at mcs.anl.gov
> Subject: [mpich-discuss] mpich-1.2.7p1 secure servers question
> 
> 
> Hi all,
> 
> I am looking for help with understanding why the secure 
> servers are asking
> for passwords.  Here is what I get
>  
> 1.	mpich-1.2.7p1 built on two RHEL 5.1 nodes using Intel 
> compilers 10.1
>  -with-device-ch_p4 -comm-shared.
> 2.	SSH is setup on both boxes for a particular user and it 
> does not ask
> for passwords.
> 3.	RSHCOMMAND=ssh
> 4.	machines.LINUX file is the same on both nodes
> 5.	The simple test command "mpirun -np 4 cpi" runs without 
> asking for
> passwords.
> 6.	Not running a firewall
> 7.	Following that, I start the secure servers with "chp4_servs
> -port=1234 -arch=$ARCH"
> 8.	When I now run "mpirun -np 4 cpi" I get asked to enter 
> password for
> the remote node.
> 9.	Also "chkserv -port 1234" fails because both nodes are 
> asking for
> passwords.
> 
> What else needs to be changed so that the secure servers don't ask for
> passwords?
> 
> Thanks,
> Achilles
>  
> 
>