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Commit c4d79c10 authored by Moe Jette's avatar Moe Jette
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Add info on upgrades, loss of jobs on restarts.

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...@@ -9,7 +9,7 @@ ...@@ -9,7 +9,7 @@
<meta http-equiv="keywords" content="Simple Linux Utility for Resource Management, SLURM, resource management, <meta http-equiv="keywords" content="Simple Linux Utility for Resource Management, SLURM, resource management,
Linux clusters, high-performance computing, Livermore Computing"> Linux clusters, high-performance computing, Livermore Computing">
<meta name="LLNLRandR" content="UCRL-WEB-204324"> <meta name="LLNLRandR" content="UCRL-WEB-204324">
<meta name="LLNLRandRdate" content="9 July 2004"> <meta name="LLNLRandRdate" content="10 August 2004">
<meta name="distribution" content="global"> <meta name="distribution" content="global">
<meta name="description" content="Simple Linux Utility for Resource Management"> <meta name="description" content="Simple Linux Utility for Resource Management">
<meta name="copyright" <meta name="copyright"
...@@ -270,6 +270,7 @@ of the available plugins will be utilized. </p> ...@@ -270,6 +270,7 @@ of the available plugins will be utilized. </p>
can prevent a user from accessing a node which he has not been allocated, if that can prevent a user from accessing a node which he has not been allocated, if that
mode of operation is desired.</p> mode of operation is desired.</p>
<p class="footer"><a href="#top">top</a></p> <p class="footer"><a href="#top">top</a></p>
<h3>Starting the Daemons</h3> <h3>Starting the Daemons</h3>
<p>For testing purposes you may want to start by just running slurmctld and slurmd <p>For testing purposes you may want to start by just running slurmctld and slurmd
on one node. By default, they execute in the background. Use the <span class="commandline">-D</span> on one node. By default, they execute in the background. Use the <span class="commandline">-D</span>
...@@ -292,6 +293,7 @@ In practice, SLURM restarts with preservation consistently.</p> ...@@ -292,6 +293,7 @@ In practice, SLURM restarts with preservation consistently.</p>
<p>A thorough battery of tests written in the &quot;expect&quot; language is also <p>A thorough battery of tests written in the &quot;expect&quot; language is also
available. </p> available. </p>
<p class="footer"><a href="#top">top</a></p> <p class="footer"><a href="#top">top</a></p>
<h3>Administration Examples</h3> <h3>Administration Examples</h3>
<p><span class="commandline">scontrol</span> can be used to print all system information <p><span class="commandline">scontrol</span> can be used to print all system information
and modify most of it. Only a few examples are shown below. Please see the scontrol and modify most of it. Only a few examples are shown below. Please see the scontrol
...@@ -405,13 +407,28 @@ Slurmctld(primary/backup) at adevi/adevj are UP/UP ...@@ -405,13 +407,28 @@ Slurmctld(primary/backup) at adevi/adevj are UP/UP
</pre> <p>Shutdown all SLURM daemons on all nodes.</p> </pre> <p>Shutdown all SLURM daemons on all nodes.</p>
<pre> <pre>
adev0: scontrol shutdown adev0: scontrol shutdown
</pre> <p class="footer"><a href="#top">top</a></p>
<h3>Upgrades</h3>
<p>When upgrading to a new major or minor release of SLURM (e.g. 0.3.x to 0.4.x)
all running and pending jobs will be purged due to changes in state save
information. It is possible to develop software to translate state information
between versions, but we do not normally expect to do so.
When upgrading to a new micro release of SLURM (e.g. 0.3.1 to 0.3.2) all
running and pending jobs will be preserved. Just install a new version of
SLURM and restart the daemons.
An exception to this is that jobs may be lost when installing new pre-release
versions (e.g. 0.4.0-pre1 to 0.4.0-pre2). We'll try to note these cases
in the NEWS file.
</pre> <p class="footer"><a href="#top">top</a></p></td> </pre> <p class="footer"><a href="#top">top</a></p></td>
</tr> </tr>
<tr> <tr>
<td colspan="3"><hr> <p>For information about this page, contact <a href="mailto:slurm-dev@lists.llnl.gov">slurm-dev@lists.llnl.gov</a>.</p> <td colspan="3"><hr> <p>For information about this page, contact <a href="mailto:slurm-dev@lists.llnl.gov">slurm-dev@lists.llnl.gov</a>.</p>
<p><a href="http://www.llnl.gov/"><img align=middle src="lll.gif" width="32" height="32" border="0"></a></p> <p><a href="http://www.llnl.gov/"><img align=middle src="lll.gif" width="32" height="32" border="0"></a></p>
<p class="footer">UCRL-WEB-204324<br> <p class="footer">UCRL-WEB-204324<br>
Last modified 9 July 2004</p></td> Last modified 10 August 2004</p></td>
</tr> </tr>
</table> </table>
</td> </td>
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