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Commit be0d0326 authored by Brian Christiansen's avatar Brian Christiansen
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Documentation updates.

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...@@ -1739,7 +1739,7 @@ It has integration with Slurm as well as Torque resource managers.</p> ...@@ -1739,7 +1739,7 @@ It has integration with Slurm as well as Torque resource managers.</p>
<p><a name="add_nodes"><b>47. What process should I follow to add nodes to Slurm?</b></a></br> <p><a name="add_nodes"><b>47. What process should I follow to add nodes to Slurm?</b></a></br>
The slurmctld daemon has a multitude of bitmaps to track state of nodes and cores The slurmctld daemon has a multitude of bitmaps to track state of nodes and cores
in the system. Adding nodes to a running system would require the slurmctld daemon in the system. Adding nodes to a running system would require the slurmctld daemon
rebuild all of those bitmaps, which the developers feel would be safer to do by to rebuild all of those bitmaps, which the developers feel would be safer to do by
restarting the daemon. Communications from the slurmd daemons on the compute restarting the daemon. Communications from the slurmd daemons on the compute
nodes to the slurmctld daemon include a configuration file checksum, so you nodes to the slurmctld daemon include a configuration file checksum, so you
probably also want to maintain a common slurm.conf file on all nodes. The probably also want to maintain a common slurm.conf file on all nodes. The
...@@ -1753,6 +1753,10 @@ following procedure is recommended: ...@@ -1753,6 +1753,10 @@ following procedure is recommended:
"scontrol reconfig", no need to restart the daemons)</li> "scontrol reconfig", no need to restart the daemons)</li>
</ol> </ol>
NOTE: Jobs submitted with srun, and that are waiting for an allocation,
prior to new nodes being added to the slurm.conf can fail if the job is
allocated one of the new nodes.
<p><a name="licenses"><b>48. Can Slurm be configured to manage licenses?</b></a></br> <p><a name="licenses"><b>48. Can Slurm be configured to manage licenses?</b></a></br>
Slurm is not currently integrated with FlexLM, but it does provide for the Slurm is not currently integrated with FlexLM, but it does provide for the
allocation of global resources called licenses. Use the Licenses configuration allocation of global resources called licenses. Use the Licenses configuration
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...@@ -14,7 +14,7 @@ mpirun launches tasks using Slurm's infrastructure (LAM/MPI and HP-MPI).</li> ...@@ -14,7 +14,7 @@ mpirun launches tasks using Slurm's infrastructure (LAM/MPI and HP-MPI).</li>
<li>Slurm creates a resource allocation for the job and then <li>Slurm creates a resource allocation for the job and then
mpirun launches tasks using some mechanism other than SLURM, mpirun launches tasks using some mechanism other than SLURM,
such as SSH or RSH (BlueGene MPI and some MPICH1 modes). such as SSH or RSH (BlueGene MPI and some MPICH1 modes).
These tasks initiated outside of Slurm's monitoring These tasks are initiated outside of Slurm's monitoring
or control. Slurm's epilog should be configured to purge or control. Slurm's epilog should be configured to purge
these tasks when the job's allocation is relinquished. </li> these tasks when the job's allocation is relinquished. </li>
</ol> </ol>
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