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--- cluster:160 [2017/04/05 15:21]
hmeij07 [OpenHPC page 4]
+++ cluster:160 [2017/05/31 15:07] (current)
hmeij07 [OpenHPC page 4]
@@ Line 19: / Line 19: @@
 </code>
-Next we import a template file in which the IPADDR and NETMASK values of the ''ib0'' interface will be replaced with values from the database the database. Add to your deploy scripts lines like
+Next we import a template file in which the IPADDR and NETMASK values of the ''ib0'' interface will be replaced with values from the database. Add to your deploy scripts lines like
 <code>
+wwsh file import /opt/ohpc/pub/examples/network/centos/ifcfg-ib0.ww
+wwsh -y file set ifcfg-ib0.ww --path=/etc/sysconfig/network-scripts/ifcfg-ib0
  wwsh node set $node --netdev=ib0 \
@@ Line 32: / Line 36: @@
 Reassemble the VNFS and reimage nodes. Now you can follow IpoIB instructions [[cluster:145|Infiniband]]
+Then add these lines to ~test/.bashrc file and resubmit job.mpi and you'll notice we now run MPI over Infiniband.
 <code>
-wwsh file import /opt/ohpc/pub/examples/network/centos/ifcfg-ib0.ww
+# User specific aliases and functions
-wwsh -y file set ifcfg-ib0.ww --path=/etc/sysconfig/network-scripts/ifcfg-ib0
+module load gnu/5.4.0
+module load openmpi/1.10.4
+module load prun/1.1
+module list
-</code>
+# job.102.out
+/opt/ohpc/pub/prun/1.1/prun
+[prun] Master compute host = n29
+[prun] Resource manager = slurm
+[prun] Launch cmd = mpirun ./a.out
+ Hello, world (8 procs total)
+    --> Process #   0 of   8 is alive. -> n29.localdomain
+    --> Process #   1 of   8 is alive. -> n29.localdomain
+    --> Process #   2 of   8 is alive. -> n29.localdomain
+    --> Process #   3 of   8 is alive. -> n29.localdomain
+    --> Process #   4 of   8 is alive. -> n31.localdomain
+    --> Process #   5 of   8 is alive. -> n31.localdomain
+    --> Process #   6 of   8 is alive. -> n31.localdomain
+    --> Process #   7 of   8 is alive. -> n31.localdomain
+</code>
@@ Line 51: / Line 75: @@
 [[cluster:154|OpenHPC page 1]] - [[cluster:155|OpenHPC page 2]] - [[cluster:156|OpenHPC page 3]] - page 4
+ --- //[[hmeij@wesleyan.edu|Henk]] 2017/05/30 11:03//
+**POSTFIX NOTE**
+In order to have users be able to send email from the jobs (from inside their jobs, like job progress reports), install mailx on the nodes. in ''/etc/ssmtp/ssmtp.conf'' define the relayhost (like sms-eth0-private) as the "mailhub". No other changes needed.
 \\
 **[[cluster:0|Back]]**

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