We had previously done some AIX testing with OMPI, but it really
hasn't received much testing in long, long time. At this point, it
is probably safest to say that OMPI is unsupported on AIX.
Sorry. :-(
On Feb 7, 2007, at 3:18 PM, Nader Ahmadi wrote:
We are in the process to decide, if we should use Open MPI in an
AIX environment.
Our in-house testing indicates that OMPI (V 1.1.x and V 1.2.x)
stdio is broken under AIX.
At this point, I am trying to find out if there is a fix or work-
around for this problem. I have put another
posting (see attached). One recommendation was try pre-release of V
1.2, which didn't make any difference.
I am hoping that an OMPI developer or someone from IBM come up with
a solution.
Open MPI documentation, indicates that AIX is being supported, with
limited testing before each release.
What is limited testing? Does it mean, Configure, Install and
running "Hello World" on one node?
In short, we did configure and installed V 1.1.x as well as
V1.2.x, but attempt to running
a simple test such as "mpirun -np 1 hostname", fails, see attached
for more details.
I have eight nodes IBM systems, I could run any test, to solve
this problem.
Thanks for your comments
Ali,
----------------------------------------------------------------------
-----------------
From Previous Posting on OMPI user's group
----------------------------------------------------------------------
------------------------------------
I have installed Open MPI 1.1.2 on IBM AIX 5.3 cluster. It looks like
terminal output is broken. There are a few entry in the OpenMPI
archive for this problem,
with no suggested solution or real work around.
I am putting this posting with hope to get some advise for a work
around or solution.
#mpirun -np 1 hostname
No out put, piping the command to "cat" or "more" generate no out
put as well.
The only way to get an output from this command is to add --debug-
daemons
#mpirun -np 1 --debug-daemons hostname
Even this debug option is not working for a real application which
generate several output.
Looking forward for any comments.
Thanks
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Jeff Squyres
Server Virtualization Business Unit
Cisco Systems
