I will give this a try, but wouldn't that be an issue as well if the process was run on the head node or another node? So long as the mpi job is not started on either of these two nodes, it works fine.

Dan

On 12/14/2012 11:46 PM, Ralph Castain wrote:
It must be making contact or ORTE wouldn't be attempting to launch your application's 
procs. Looks more like it never received the launch command. Looking at the code, I 
suspect you're getting caught in a race condition that causes the message to get 
"stuck".

Just to see if that's the case, you might try running this with the 1.7 release 
candidate, or even the developer's nightly build. Both use a different timing 
mechanism intended to resolve such situations.


On Dec 14, 2012, at 2:49 PM, Daniel Davidson <dani...@igb.uiuc.edu> wrote:

Thank you for the help so far.  Here is the information that the debugging 
gives me.  Looks like the daemon on on the non-local node never makes contact.  
If I step NP back two though, it does.

Dan

[root@compute-2-1 etc]# /home/apps/openmpi-1.6.3/bin/mpirun -host 
compute-2-0,compute-2-1 -v  -np 34 --leave-session-attached -mca 
odls_base_verbose 5 hostname
[compute-2-1.local:44855] mca:base:select:( odls) Querying component [default]
[compute-2-1.local:44855] mca:base:select:( odls) Query of component [default] 
set priority to 1
[compute-2-1.local:44855] mca:base:select:( odls) Selected component [default]
[compute-2-0.local:29282] mca:base:select:( odls) Querying component [default]
[compute-2-0.local:29282] mca:base:select:( odls) Query of component [default] 
set priority to 1
[compute-2-0.local:29282] mca:base:select:( odls) Selected component [default]
[compute-2-1.local:44855] [[49524,0],0] odls:update:daemon:info updating nidmap
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list
[compute-2-1.local:44855] [[49524,0],0] odls:construct_child_list unpacking 
data to launch job [49524,1]
[compute-2-1.local:44855] [[49524,0],0] odls:construct_child_list adding new 
jobdat for job [49524,1]
[compute-2-1.local:44855] [[49524,0],0] odls:construct_child_list unpacking 1 
app_contexts
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],0] on daemon 1
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],1] on daemon 0
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - found 
proc [[49524,1],1] for me!
[compute-2-1.local:44855] adding proc [[49524,1],1] (1) to my local list
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],2] on daemon 1
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],3] on daemon 0
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - found 
proc [[49524,1],3] for me!
[compute-2-1.local:44855] adding proc [[49524,1],3] (3) to my local list
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],4] on daemon 1
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],5] on daemon 0
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - found 
proc [[49524,1],5] for me!
[compute-2-1.local:44855] adding proc [[49524,1],5] (5) to my local list
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],6] on daemon 1
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],7] on daemon 0
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - found 
proc [[49524,1],7] for me!
[compute-2-1.local:44855] adding proc [[49524,1],7] (7) to my local list
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],8] on daemon 1
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],9] on daemon 0
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - found 
proc [[49524,1],9] for me!
[compute-2-1.local:44855] adding proc [[49524,1],9] (9) to my local list
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],10] on daemon 1
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],11] on daemon 0
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - found 
proc [[49524,1],11] for me!
[compute-2-1.local:44855] adding proc [[49524,1],11] (11) to my local list
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],12] on daemon 1
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],13] on daemon 0
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - found 
proc [[49524,1],13] for me!
[compute-2-1.local:44855] adding proc [[49524,1],13] (13) to my local list
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],14] on daemon 1
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],15] on daemon 0
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - found 
proc [[49524,1],15] for me!
[compute-2-1.local:44855] adding proc [[49524,1],15] (15) to my local list
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],16] on daemon 1
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],17] on daemon 0
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - found 
proc [[49524,1],17] for me!
[compute-2-1.local:44855] adding proc [[49524,1],17] (17) to my local list
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],18] on daemon 1
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],19] on daemon 0
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - found 
proc [[49524,1],19] for me!
[compute-2-1.local:44855] adding proc [[49524,1],19] (19) to my local list
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],20] on daemon 1
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],21] on daemon 0
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - found 
proc [[49524,1],21] for me!
[compute-2-1.local:44855] adding proc [[49524,1],21] (21) to my local list
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],22] on daemon 1
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],23] on daemon 0
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - found 
proc [[49524,1],23] for me!
[compute-2-1.local:44855] adding proc [[49524,1],23] (23) to my local list
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],24] on daemon 1
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],25] on daemon 0
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - found 
proc [[49524,1],25] for me!
[compute-2-1.local:44855] adding proc [[49524,1],25] (25) to my local list
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],26] on daemon 1
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],27] on daemon 0
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - found 
proc [[49524,1],27] for me!
[compute-2-1.local:44855] adding proc [[49524,1],27] (27) to my local list
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],28] on daemon 1
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],29] on daemon 0
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - found 
proc [[49524,1],29] for me!
[compute-2-1.local:44855] adding proc [[49524,1],29] (29) to my local list
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],30] on daemon 1
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],31] on daemon 0
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - found 
proc [[49524,1],31] for me!
[compute-2-1.local:44855] adding proc [[49524,1],31] (31) to my local list
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],32] on daemon 1
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - checking 
proc [[49524,1],33] on daemon 0
[compute-2-1.local:44855] [[49524,0],0] odls:constructing child list - found 
proc [[49524,1],33] for me!
[compute-2-1.local:44855] adding proc [[49524,1],33] (33) to my local list
[compute-2-1.local:44855] [[49524,0],0] odls:launch found 384 processors for 17 
children and locally set oversubscribed to false
[compute-2-1.local:44855] [[49524,0],0] odls:launch working child [[49524,1],1]
[compute-2-1.local:44855] [[49524,0],0] odls:launch working child [[49524,1],3]
[compute-2-1.local:44855] [[49524,0],0] odls:launch working child [[49524,1],5]
[compute-2-1.local:44855] [[49524,0],0] odls:launch working child [[49524,1],7]
[compute-2-1.local:44855] [[49524,0],0] odls:launch working child [[49524,1],9]
[compute-2-1.local:44855] [[49524,0],0] odls:launch working child [[49524,1],11]
[compute-2-1.local:44855] [[49524,0],0] odls:launch working child [[49524,1],13]
[compute-2-1.local:44855] [[49524,0],0] odls:launch working child [[49524,1],15]
[compute-2-1.local:44855] [[49524,0],0] odls:launch working child [[49524,1],17]
[compute-2-1.local:44855] [[49524,0],0] odls:launch working child [[49524,1],19]
[compute-2-1.local:44855] [[49524,0],0] odls:launch working child [[49524,1],21]
[compute-2-1.local:44855] [[49524,0],0] odls:launch working child [[49524,1],23]
[compute-2-1.local:44855] [[49524,0],0] odls:launch working child [[49524,1],25]
[compute-2-1.local:44855] [[49524,0],0] odls:launch working child [[49524,1],27]
[compute-2-1.local:44855] [[49524,0],0] odls:launch working child [[49524,1],29]
[compute-2-1.local:44855] [[49524,0],0] odls:launch working child [[49524,1],31]
[compute-2-1.local:44855] [[49524,0],0] odls:launch working child [[49524,1],33]
[compute-2-1.local:44855] [[49524,0],0] odls:launch reporting job [49524,1] 
launch status
[compute-2-1.local:44855] [[49524,0],0] odls:launch flagging launch report to 
myself
[compute-2-1.local:44855] [[49524,0],0] odls:launch setting waitpids
[compute-2-1.local:44855] [[49524,0],0] odls:wait_local_proc child process 
44857 terminated
[compute-2-1.local:44855] [[49524,0],0] odls:wait_local_proc child process 
44858 terminated
[compute-2-1.local:44855] [[49524,0],0] odls:wait_local_proc child process 
44859 terminated
[compute-2-1.local:44855] [[49524,0],0] odls:wait_local_proc child process 
44860 terminated
[compute-2-1.local:44855] [[49524,0],0] odls:wait_local_proc child process 
44861 terminated
[compute-2-1.local:44855] [[49524,0],0] odls:wait_local_proc child process 
44862 terminated
[compute-2-1.local:44855] [[49524,0],0] odls:wait_local_proc child process 
44863 terminated
[compute-2-1.local:44855] [[49524,0],0] odls:wait_local_proc child process 
44865 terminated
[compute-2-1.local:44855] [[49524,0],0] odls:wait_local_proc child process 
44866 terminated
[compute-2-1.local:44855] [[49524,0],0] odls:wait_local_proc child process 
44867 terminated
[compute-2-1.local:44855] [[49524,0],0] odls:wait_local_proc child process 
44869 terminated
[compute-2-1.local:44855] [[49524,0],0] odls:wait_local_proc child process 
44870 terminated
[compute-2-1.local:44855] [[49524,0],0] odls:wait_local_proc child process 
44871 terminated
[compute-2-1.local:44855] [[49524,0],0] odls:wait_local_proc child process 
44872 terminated
[compute-2-1.local:44855] [[49524,0],0] odls:wait_local_proc child process 
44873 terminated
[compute-2-1.local:44855] [[49524,0],0] odls:wait_local_proc child process 
44874 terminated
[compute-2-1.local:44855] [[49524,0],0] odls:wait_local_proc child process 
44875 terminated
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired checking abort file 
/tmp/openmpi-sessions-root@compute-2-1.local_0/3245604865/33/abort
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired child process 
[[49524,1],33] terminated normally
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired checking abort file 
/tmp/openmpi-sessions-root@compute-2-1.local_0/3245604865/31/abort
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired child process 
[[49524,1],31] terminated normally
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired checking abort file 
/tmp/openmpi-sessions-root@compute-2-1.local_0/3245604865/29/abort
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired child process 
[[49524,1],29] terminated normally
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired checking abort file 
/tmp/openmpi-sessions-root@compute-2-1.local_0/3245604865/27/abort
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired child process 
[[49524,1],27] terminated normally
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired checking abort file 
/tmp/openmpi-sessions-root@compute-2-1.local_0/3245604865/25/abort
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired child process 
[[49524,1],25] terminated normally
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired checking abort file 
/tmp/openmpi-sessions-root@compute-2-1.local_0/3245604865/23/abort
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired child process 
[[49524,1],23] terminated normally
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired checking abort file 
/tmp/openmpi-sessions-root@compute-2-1.local_0/3245604865/21/abort
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired child process 
[[49524,1],21] terminated normally
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired checking abort file 
/tmp/openmpi-sessions-root@compute-2-1.local_0/3245604865/19/abort
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired child process 
[[49524,1],19] terminated normally
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired checking abort file 
/tmp/openmpi-sessions-root@compute-2-1.local_0/3245604865/17/abort
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired child process 
[[49524,1],17] terminated normally
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired checking abort file 
/tmp/openmpi-sessions-root@compute-2-1.local_0/3245604865/15/abort
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired child process 
[[49524,1],15] terminated normally
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired checking abort file 
/tmp/openmpi-sessions-root@compute-2-1.local_0/3245604865/13/abort
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired child process 
[[49524,1],13] terminated normally
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired checking abort file 
/tmp/openmpi-sessions-root@compute-2-1.local_0/3245604865/11/abort
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired child process 
[[49524,1],11] terminated normally
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired checking abort file 
/tmp/openmpi-sessions-root@compute-2-1.local_0/3245604865/9/abort
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired child process 
[[49524,1],9] terminated normally
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired checking abort file 
/tmp/openmpi-sessions-root@compute-2-1.local_0/3245604865/7/abort
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired child process 
[[49524,1],7] terminated normally
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired checking abort file 
/tmp/openmpi-sessions-root@compute-2-1.local_0/3245604865/5/abort
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired child process 
[[49524,1],5] terminated normally
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired checking abort file 
/tmp/openmpi-sessions-root@compute-2-1.local_0/3245604865/3/abort
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired child process 
[[49524,1],3] terminated normally
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired checking abort file 
/tmp/openmpi-sessions-root@compute-2-1.local_0/3245604865/1/abort
[compute-2-1.local:44855] [[49524,0],0] odls:waitpid_fired child process 
[[49524,1],1] terminated normally
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
[compute-2-1.local:44855] [[49524,0],0] odls:notify_iof_complete for child 
[[49524,1],25]
[compute-2-1.local:44855] [[49524,0],0] odls:notify_iof_complete for child 
[[49524,1],15]
[compute-2-1.local:44855] [[49524,0],0] odls:notify_iof_complete for child 
[[49524,1],11]
[compute-2-1.local:44855] [[49524,0],0] odls:notify_iof_complete for child 
[[49524,1],13]
[compute-2-1.local:44855] [[49524,0],0] odls:notify_iof_complete for child 
[[49524,1],19]
[compute-2-1.local:44855] [[49524,0],0] odls:notify_iof_complete for child 
[[49524,1],9]
[compute-2-1.local:44855] [[49524,0],0] odls:notify_iof_complete for child 
[[49524,1],17]
[compute-2-1.local:44855] [[49524,0],0] odls:notify_iof_complete for child 
[[49524,1],31]
[compute-2-1.local:44855] [[49524,0],0] odls:notify_iof_complete for child 
[[49524,1],7]
[compute-2-1.local:44855] [[49524,0],0] odls:notify_iof_complete for child 
[[49524,1],21]
[compute-2-1.local:44855] [[49524,0],0] odls:notify_iof_complete for child 
[[49524,1],5]
[compute-2-1.local:44855] [[49524,0],0] odls:notify_iof_complete for child 
[[49524,1],33]
[compute-2-1.local:44855] [[49524,0],0] odls:notify_iof_complete for child 
[[49524,1],23]
[compute-2-1.local:44855] [[49524,0],0] odls:notify_iof_complete for child 
[[49524,1],3]
[compute-2-1.local:44855] [[49524,0],0] odls:notify_iof_complete for child 
[[49524,1],29]
[compute-2-1.local:44855] [[49524,0],0] odls:notify_iof_complete for child 
[[49524,1],27]
[compute-2-1.local:44855] [[49524,0],0] odls:notify_iof_complete for child 
[[49524,1],1]
[compute-2-1.local:44855] [[49524,0],0] odls:proc_complete reporting all procs 
in [49524,1] terminated
^Cmpirun: killing job...

Killed by signal 2.
[compute-2-1.local:44855] [[49524,0],0] odls:kill_local_proc working on WILDCARD


On 12/14/2012 04:11 PM, Ralph Castain wrote:
Sorry - I forgot that you built from a tarball, and so debug isn't enabled by 
default. You need to configure --enable-debug.

On Dec 14, 2012, at 1:52 PM, Daniel Davidson <dani...@igb.uiuc.edu> wrote:

Oddly enough, adding this debugging info, lowered the number of processes that 
can be used down to 42 from 46.  When I run the MPI, it fails giving only the 
information that follows:

[root@compute-2-1 ssh]# /home/apps/openmpi-1.6.3/bin/mpirun -host 
compute-2-0,compute-2-1 -v  -np 44 --leave-session-attached -mca 
odls_base_verbose 5 hostname
[compute-2-1.local:44374] mca:base:select:( odls) Querying component [default]
[compute-2-1.local:44374] mca:base:select:( odls) Query of component [default] 
set priority to 1
[compute-2-1.local:44374] mca:base:select:( odls) Selected component [default]
[compute-2-0.local:28950] mca:base:select:( odls) Querying component [default]
[compute-2-0.local:28950] mca:base:select:( odls) Query of component [default] 
set priority to 1
[compute-2-0.local:28950] mca:base:select:( odls) Selected component [default]
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local
compute-2-1.local


On 12/14/2012 03:18 PM, Ralph Castain wrote:
It wouldn't be ssh - in both cases, only one ssh is being done to each node (to 
start the local daemon). The only difference is the number of fork/exec's being 
done on each node, and the number of file descriptors being opened to support 
those fork/exec's.

It certainly looks like your limits are high enough. When you say it "fails", 
what do you mean - what error does it report? Try adding:

--leave-session-attached -mca odls_base_verbose 5

to your cmd line - this will report all the local proc launch debug and 
hopefully show you a more detailed error report.


On Dec 14, 2012, at 12:29 PM, Daniel Davidson <dani...@igb.uiuc.edu> wrote:

I have had to cobble together two machines in our rocks cluster without using 
the standard installation, they have efi only bios on them and rocks doesnt 
like that, so it is the only workaround.

Everything works great now, except for one thing.  MPI jobs (openmpi or mpich) 
fail when started from one of these nodes (via qsub or by logging in and 
running the command) if 24 or more processors are needed on another system.  
However if the originator of the MPI job is the headnode or any of the 
preexisting compute nodes, it works fine.  Right now I am guessing ssh client 
or ulimit problems, but I cannot find any difference.  Any help would be 
greatly appreciated.

compute-2-1 and compute-2-0 are the new nodes

Examples:

This works, prints 23 hostnames from each machine:
[root@compute-2-1 ~]# /home/apps/openmpi-1.6.3/bin/mpirun -host 
compute-2-0,compute-2-1 -np 46 hostname

This does not work, prints 24 hostnames for compute-2-1
[root@compute-2-1 ~]# /home/apps/openmpi-1.6.3/bin/mpirun -host 
compute-2-0,compute-2-1 -np 48 hostname

These both work, print 64 hostnames from each node
[root@biocluster ~]# /home/apps/openmpi-1.6.3/bin/mpirun -host 
compute-2-0,compute-2-1 -np 128 hostname
[root@compute-0-2 ~]# /home/apps/openmpi-1.6.3/bin/mpirun -host 
compute-2-0,compute-2-1 -np 128 hostname

[root@compute-2-1 ~]# ulimit -a
core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
scheduling priority             (-e) 0
file size               (blocks, -f) unlimited
pending signals                 (-i) 16410016
max locked memory       (kbytes, -l) unlimited
max memory size         (kbytes, -m) unlimited
open files                      (-n) 4096
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
real-time priority              (-r) 0
stack size              (kbytes, -s) unlimited
cpu time               (seconds, -t) unlimited
max user processes              (-u) 1024
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited

[root@compute-2-1 ~]# more /etc/ssh/ssh_config
Host *
        CheckHostIP             no
        ForwardX11              yes
        ForwardAgent            yes
        StrictHostKeyChecking   no
        UsePrivilegedPort       no
        Protocol                2,1

_______________________________________________
users mailing list
us...@open-mpi.org
http://www.open-mpi.org/mailman/listinfo.cgi/users


Reply via email to