Presently, I have PV 3.98 installed from source with MPI support on my
local Mac and a remote Linux machine. I ran the pvsc file that you
sent from my local Mac but I was not sure what goes in the input for
"MPI Root" and "ParaView Root". I left those two fields blank and
tried to connect and gave me the following error:
Sorry if that wasn't clear. for example if you have mpi installed in
"/op/mpi/mpich/1.4.1" then you put that for "MPI Root". Likewise if you
have your PV build at "/home/pradeep/ParaView/3.98.0" you put that.
On 01/30/2013 01:40 AM, Pradeep Jha wrote:
Hello Burlen,
thanks for the detailed response. I am still not able to get it work
and somethings are still not clear to me. I want to ask some very
fundamental questions as this is my first time trying to set up a
something over the networks myself and the online instructions are a
bit too technical for me.
Presently, I have PV 3.98 installed from source with MPI support on my
local Mac and a remote Linux machine. I ran the pvsc file that you
sent from my local Mac but I was not sure what goes in the input for
"MPI Root" and "ParaView Root". I left those two fields blank and
tried to connect and gave me the following error:
------------------------------------------------------------------------
pradeep@laptop subset]$MPI_NP=4
MPI_ROOT=
PV_ROOT=
PV_SERVER_PORT=11111
REMOTE_USER=pradeep
SERVER_HOST=83.shin.fluid.cse.nagoya-u.ac.jp
<http://83.shin.fluid.cse.nagoya-u.ac.jp>
SSH_PATH=/usr/bin/ssh
XTERM_PATH=/usr/bin/xterm
Accepting connection(s): laptop.local:11111
Server launch command is : /usr/bin/xterm -T "ParaView Server
[email protected]:11111
<http://[email protected]:11111>" -e
/usr/bin/ssh -t -R 11111:localhost:11111
[email protected]
<mailto:[email protected]> DISPLAY=:0 xhost + ;
LD_LIBRARY_PATH=/lib:/lib/paraview-3.98/:LD_LIBRARY_PATH DISPLAY=:0
/bin/mpirun -np 4 /bin/pvserver --reverse-connection
--server-port=11111 --client-host=localhost
The process failed to start. Either the invoked program is missing, or
you may have insufficient permissions to invoke the program.
Server launch timed out.
---------------------------------------------------------------------------
Here are my questions:
1. How do I get the above thing working?
2. What did you mean by "Production setting"?
3. I am right now testing PV on small test cases over machines (my
Mac and the remote Linux) which have both graphics hardware. For
such a case why do I need "reverse connection"? Should I always
use "reverse connection"?
4. I don't understand when I initiate a pvserver on the remote Linux
machine and try to connect it from local Mac, why doesn't it ask
for a password?
5. My understanding is that when I get this connection going, all my
data should be on the server. I simply use the local Mac GUI and I
should be able to visualize and browse through data at the remote
end. Is that correct?
6. When I am at lab, I have a static IP for my Mac and I can log into
it from other computers. But I cannot access my Mac from outside
when I am not in the lab. Does this mean I cannot use pvserver
outside the lab? Or is this link
<https://hpcforge.org/plugins/mediawiki/wiki/pv-meshless/index.php/Launching_ParaView_on_HPC_Machines#Step_2>
is talking about this problem?
7.
Once I manage to understand and get it working, I want to use PV
using a supercomputing facility. On the supercomputing facility I
can install PV on my login node (which has 64 processors) but not
on the supercomputing cluster. If I want to use the cluster (which
has around 50,000 processors) to visualize a big
data (around 800GB if possible), will installing Paraview with MPI
support on the login node, which is accesible by the cluster, be
sufficient?
I guess these questions are extremely basic but I am responsible for
figuring this whole thing out myself and with not much direct
experience in networking. So it is troubling me a bit.
Hoping to hear from you,
Pradeep
2013/1/30 Burlen Loring <[email protected] <mailto:[email protected]>>
Hi Pradeep,
vtkClientSocket (0x7fc9ae108cb0): Socket error in call to
connect. Permission denied.
Your connection is being blocked somewhere in between your compute
node and workstation. there are various configuration setting on
either/both client and server that could cause it. Fortunately we
do not need to change any of these settings , many of which
require root access and potentially open security vulnerabilities.
Instead, you will use an ssh tunnel and a server config (pvsc)
tailored to your situation to automate the process.
I'm attaching a minimal pvsc that illustrates how one might
configure a reverse connection to a server with graphics hardware.
This pvsc is for illustration only, don't use in a production
setting! There are number of liberties I've taken, for example I
assume that X11 is already running, and I use "xhost +"(very very
bad) to enable pvserver to access gpu's. Normally I would put all
of the server side stuff in a shell script. I didn't do that here
to keep things simple for you. I hope you can use this to
understand how PV works.
1) I connect to the CentOS machine using "ssh -X machinename".
Don't do that. With -X forwarding you won't be taking advantage of
your cluster's graphics hardware.
Hope this helps
Burlen
On 01/29/2013 06:41 AM, Utkarsh Ayachit wrote:
Doesn't look like your client machine can connect to the server
machine. From the client machine try:
ping 83.shin.fluid.cse.nagoya-u.ac.jp
<http://83.shin.fluid.cse.nagoya-u.ac.jp>
telnet 83.shin.fluid.cse.nagoya-u.ac.jp
<http://83.shin.fluid.cse.nagoya-u.ac.jp> 11111
On Tue, Jan 29, 2013 at 4:58 AM, Pradeep Jha
<[email protected]
<mailto:[email protected]>> wrote:
Hello,
I have installed Paraview 3.98 on my Desktop (Mac OSX
10.8) and a remote
machine running CentOS 5.4. The CentOS machine has
rendering hardware so I
havent installed PV with OSMesa support.
I can login to the CentOS from my Mac using SSH and vice
versa.
Here is how I am trying to connect:
1) I connect to the CentOS machine using "ssh -X
machinename". When I start
the "pvserver" on the CentOS the output is:
-------------------------------------------------------------------
[pradeep@83 ~]$pvserver
Waiting for client...
Connection URL:
cs://83.shin.fluid.cse.nagoya-u.ac.jp:11111
<http://83.shin.fluid.cse.nagoya-u.ac.jp:11111>
Accepting connection(s):
83.shin.fluid.cse.nagoya-u.ac.jp:11111
<http://83.shin.fluid.cse.nagoya-u.ac.jp:11111>
-------------------------------------------------------------------
2) Then I add this information in the paraview I am
running on my Mac as
shown in the attached image file.
3) I click on connect.
I get the following error:
------------------------------------------------------------------------
ERROR: In
/Users/pradeep/softwares/ParaView/VTK/Common/System/vtkSocket.cxx,
line 481
vtkClientSocket (0x7fc9ae108cb0): Socket error in call to
connect.
Permission denied.
-----------------------------------------------------------------------
I dont have any expertise in networking and so I dont know
much about
firewalls of my systems here nor do any my colleagues do.
Thanks in advance,
Pradeep
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Please keep messages on-topic and check the ParaView Wiki at:
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Follow this link to subscribe/unsubscribe:
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_______________________________________________
Powered by www.kitware.com
Visit other Kitware open-source projects at
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Please keep messages on-topic and check the ParaView Wiki at:
http://paraview.org/Wiki/ParaView
Follow this link to subscribe/unsubscribe:
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