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[[File:Alice.png|thumb|Off to research computing Wonderland]]
==== ALICE usage statistics past 4 hours ====
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__NOTOC__
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<li style="display: inline-block;"> <img src=http://alice.strw.leidenuniv.nl/ganglia/stacked.php?m=load_one&c=ALICE&r=4hr&st= width=450px><br>Cluster Load</li>
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ALICE is the computing facility for excellent research of Leiden University. With ALICE you have the world of computing at your fingertips. On this wiki, you can find the information you'll need to get started and become more skilled in using computing to support your research.  
<li style="display: inline-block;"> <img src=http://alice.strw.leidenuniv.nl/ganglia/stacked.php?m=proc_run&c=ALICE&r=4hr&st= width=450px><br>Number of running processes</li>
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</ul></div>
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For background information, read the [[About ALICE]] page.  
<div><ul>
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<li style="display: inline-block;"><img src=http://alice.strw.leidenuniv.nl/ganglia/graph.php?c=ALICE&m=queue-state&r=4hr&s=by+name&st=&g=load_report width=450></li>
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<li style="display: inline-block;"><img src=http://alice.strw.leidenuniv.nl/ganglia/graph.php?c=ALICE&m=queue-state&r=4hr&s=by%20name&st=&g=mem_report width=450px></li>
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Please know that this wiki is currently a work in process. We appreciate any questions or comments on the contents so that we can improve the range of information that we supply here.  
</ul></div>
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<div><ul>
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<li style="display: inline-block;"><img src=http://alice.strw.leidenuniv.nl/ganglia//graph.php?c=ALICE&m=load_one&r=4hr&s=by%20name&hc=4&mc=2&g=cpu_report width=450></li>
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''IMPORTANT NOTE: ALICE is still in a build-up phase. Configurations are still subject to change. You may, therefore, experience unexpected behaviour for the time being.''
<li style="display: inline-block;"><img src=http://alice.strw.leidenuniv.nl/ganglia/graph.php?c=ALICE&m=load_one&r=4hr&s=by%20name&hc=4&mc=2&g=network_report width=450px></li>
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</ul></div>
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<div><ul>
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Use of the ALICE cluster must be acknowledged in any and all publications. For more info see: [[About ALICE]]
<li style="display: inline-block;"><img src=http://alice.strw.leidenuniv.nl/stats/stats.php?Type=data width=450></li>
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<li style="display: inline-block;"><img src=http://alice.strw.leidenuniv.nl/stats/stats.php?Type=home width=450px></li>
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</ul></div>
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----
<a href=http://alice.strw.leidenuniv.nl/stats/userstat.php>Overview of ALICE resources use by user/month</a>
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{{:Maintenance announcements}}
==Collapsible Full Navigation Tree==
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----
<div class="toccolours mw-collapsible mw-collapsed" style="width:800px; overflow:auto;">
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<div style="font-weight:bold;line-height:1.6;">About ALICE</div>
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==Getting Started==
<div class="mw-collapsible-content">
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If you're new to ALICE, please check out the [[Getting Started]] page.
{{:About ALICE}}
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</div></div>
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==[[Gaining access]]==
<div class="toccolours mw-collapsible mw-collapsed" style="width:800px; overflow:auto;">
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Access to the cluster and file transfer are done via SSH and SCP/SFTP. Select one of the below links for more detail or click on the heading of the paragraph for a full overview.
<div style="font-weight:bold;line-height:1.6;">User Guides</div>
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<div class="mw-collapsible-content">
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*[[Gaining_access#Account|Getting an account]]
{{:User Guides}}
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*[[Gaining_access#Login|Login to ALICE]]
</div></div>
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*[[Gaining_access#Key_based_authentication|Public key authentication]]
<div class="toccolours mw-collapsible mw-collapsed" style="width:800px; overflow:auto;">
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*[[Gaining_access#File_systems|Accessible file storage]]
<div style="font-weight:bold;line-height:1.6;">General Documentation</div>
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*[[Gaining_access#File_transfer_to_and_from_ALICE|File transfer]]
<div class="mw-collapsible-content">
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{{:Documentation}}
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==[[Policies#Access policy|Access Policy]]==
</div></div>
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Access needs to be granted actively (by the creation of an account on the cluster by the ALICE Cluster workgroup. Use of resources is limited by the scheduler. Depending on the availability of queues ('partitions') granted to a user, priority to the system's resources is regulated on the basis of Faculty/institute/PI levels.
<div class="toccolours mw-collapsible mw-collapsed" style="width:800px; overflow:auto;">
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<div style="font-weight:bold;line-height:1.6;">Advanced Use</div>
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==Software==
<div class="mw-collapsible-content">
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{{:Advanced}}
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===Cluster Monitoring Software and Scheduler===
</div></div>
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ALICE uses Bright Cluster Manager software for overall cluster management and Slurm as the scheduler.
<div class="toccolours mw-collapsible mw-collapsed" style="width:800px; overflow:auto;">
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<div style="font-weight:bold;line-height:1.6;">Support</div>
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*[[Bright Cluster Manager|Monitor cluster status with BCM]]
<div class="mw-collapsible-content">
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*[[Ganglia Cluster Monitoring]]
{{:Support}}
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*[[Slurm|Compose, submit and manage jobs with Slurm]]
</div></div>
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*[[Running interactive jobs]]
<div class="toccolours mw-collapsible mw-collapsed" style="width:800px; overflow:auto;">
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<div style="font-weight:bold;line-height:1.6;">News</div>
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===Installed software===
<div class="mw-collapsible-content">
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[[Accessing software|Globally installed software, modules]]<br />
{{:News}}
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</div></div>
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==Cluster configuration==
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Find [[hardware description|here a hardware description]] of the ALICE cluster.
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==Frequently Asked Questions==
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Find [[faq|here a list of frequently asked questions]] for the ALICE cluster.

Latest revision as of 11:49, 6 October 2020

Off to research computing Wonderland


ALICE is the computing facility for excellent research of Leiden University. With ALICE you have the world of computing at your fingertips. On this wiki, you can find the information you'll need to get started and become more skilled in using computing to support your research.

For background information, read the About ALICE page.


Please know that this wiki is currently a work in process. We appreciate any questions or comments on the contents so that we can improve the range of information that we supply here.


IMPORTANT NOTE: ALICE is still in a build-up phase. Configurations are still subject to change. You may, therefore, experience unexpected behaviour for the time being.


Use of the ALICE cluster must be acknowledged in any and all publications. For more info see: About ALICE



Maintenance

This section is used to announce upcoming maintenance and provide information before, during and after it. For general information about our maintenance policy, please have a look here: To maintenance policy

Next Maintenance

Leiden University network maintenance on 31 Jul/01 Aug

Maintenance on the network of Leiden University will take place on the weekend of 31 July/01 August.

During this time ALICE will continue to run, but in total isolation, i.e., with no internet access. This means that you will not be able to login to ALICE and jobs cannot for example pull code, download data or access license servers.

We will use this page to provide updates on the status of the cluster.

If you have any question, please contact the ALICE Helpdesk.

Previous Maintenance days


Getting Started

If you're new to ALICE, please check out the Getting Started page.

Gaining access

Access to the cluster and file transfer are done via SSH and SCP/SFTP. Select one of the below links for more detail or click on the heading of the paragraph for a full overview.

Access Policy

Access needs to be granted actively (by the creation of an account on the cluster by the ALICE Cluster workgroup. Use of resources is limited by the scheduler. Depending on the availability of queues ('partitions') granted to a user, priority to the system's resources is regulated on the basis of Faculty/institute/PI levels.

Software

Cluster Monitoring Software and Scheduler

ALICE uses Bright Cluster Manager software for overall cluster management and Slurm as the scheduler.

Installed software

Globally installed software, modules

Cluster configuration

Find here a hardware description of the ALICE cluster.


Frequently Asked Questions

Find here a list of frequently asked questions for the ALICE cluster.