Differences

This shows you the differences between two versions of the page.

--- users:interactive [2016/03/17 10:48] – ecalore
+++ users:interactive [2016/04/12 10:27] (current) – ecalore
@@ Line 1: / Line 1: @@
 ====== Interactive Session ======
-If needed, an interactive shell can be run on the cluster's nodes using the following SURM command:
+If needed, an interactive shell can be run on a cluster node using the following SURM command (omitting the //nodelist// argument will let SLURM choose one random free node):
 <code bash>
-srun -u -w=node01 bash -i
+srun -u --partition=interactive --nodelist=node02 --pty bash
+</code>
+You can also require one or more GPUs:
+<code bash>
+srun -u --partition=interactive --gres=gpu:1 --pty bash
 </code>
 <WRAP center round info 80%>
-Srun's -u option turns off buffering of stdout.
+  * //-u// option turns off buffering of stdout.
-Bash's -i option tells it to run in interactive mode (with prompts).
+  * //--partition=interactive// select the "//interactive//" partition (aka queue), which grants the highest chance of being immediately allocated (this partition allows CPUs sharing between more than one job)
 </WRAP>
 <WRAP center round important 60%>
-The login into the nodes via ssh is disabled.
+Login to the nodes via ssh is disabled.
 </WRAP>