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Difference between revisions of "ALICE User Documentation Wiki"

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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.
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'''Welcome to the ALICE HPC user documentation.'''
  
For background information, read the [[About ALICE]] page.  
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ALICE is a computing facility for state-of-the-art research and education 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 and education.  
  
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We appreciate any questions or comments on the content of the documentation so that we can improve the range of information that we supply here.
  
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.   
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If you are unsure about where to go next, have a look below.
  
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==What is ALICE?==
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Please check out the [[About ALICE]] pages to get some background information, a quick overview and see how to acknowledge it.
  
''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.''
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==What's new with ALICE?==
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To get information about updates, upgrades, events, planned maintenance and more, have a look at the [[News]] page.  
  
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Here are the most recent news:
  
Use of the ALICE cluster must be acknowledged in any and all publications. For more info see: [[About ALICE]]
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{{:Latest News}}
 
 
  
 
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{{:Maintenance announcements}}
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{{:Next Maintenance}}
 
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==Getting Started==
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==Just Getting Started?==
If you're new to ALICE, please check out the [[Getting Started]] page.
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If you're new to ALICE, please check out the [[User_Guides|User Guide]].
 
 
==[[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.
 
 
 
*[[Gaining_access#Account|Getting an account]]
 
*[[Gaining_access#Login|Login to ALICE]]
 
*[[Gaining_access#Key_based_authentication|Public key authentication]]
 
*[[Gaining_access#File_systems|Accessible file storage]]
 
*[[Gaining_access#File_transfer_to_and_from_ALICE|File transfer]]
 
 
 
==[[Policies#Access policy|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.
 
 
 
*[[Bright Cluster Manager|Monitor cluster status with BCM]]
 
*[[Ganglia Cluster Monitoring]]
 
*[[Slurm|Compose, submit and manage jobs with Slurm]]
 
*[[Running interactive jobs]]
 
  
===Installed software===
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==What more can I do with ALICE?==
[[Accessing software|Globally installed software, modules]]<br />
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If you already have experience with ALICE and/or HPC, have a look at the [[Advanced Guide]] pages. Please note that many of the pages here are still under construction and subject to change.
  
==Cluster configuration==
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==What else is there about ALICE?==
Find [[hardware description|here a hardware description]] of the ALICE cluster.
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If you need more information on general topics, such as hardware, storage, and policies, please take a look at the [[Documentation]] pages. Please note that many of the pages here are still under construction and subject to change.
  
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==Have a question or feedback on ALICE?==
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If you have a question about ALICE, need help with using it or want to give us some feedback, please see the [[Support]] page to know how you can connect with us.
  
==Frequently Asked Questions==
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==Status of ALICE?==
Find [[faq|here a list of frequently asked questions]] for the ALICE cluster.
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Would you like to know how busy ALICE is and if all nodes are up, then please have a look at the [[Current Status Overview]].

Revision as of 07:50, 2 November 2020

Off to research computing Wonderland


Welcome to the ALICE HPC user documentation.

ALICE is a computing facility for state-of-the-art research and education 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 and education.

We appreciate any questions or comments on the content of the documentation so that we can improve the range of information that we supply here.

If you are unsure about where to go next, have a look below.

What is ALICE?

Please check out the About ALICE pages to get some background information, a quick overview and see how to acknowledge it.

What's new with ALICE?

To get information about updates, upgrades, events, planned maintenance and more, have a look at the News page.

Here are the most recent news:

Latest News

  • 01 Aug 2022 - ALICE system maintenance on 22 Aug 2022 - First announcement: We will perform system maintenance on ALICE on 22 Aug 2022 between 09:00 and 18:00 CEST. Our primary focus will be the high-availability set up of ALICE in addition to other maintenance tasks. This will require us to take all compute and login nodes of the cluster offline. It will not be possible to run any jobs and access data on ALICE. Until maintenance starts, you can continue to use ALICE as usual and submit jobs. Slurm will also continue to run your job if the requested running time will allow it to finish before the maintenance starts. If you have any questions, please contact the ALICE Helpdesk.
  • 01 Jun 2022 - Disabled access to old scratch storage: As previously announced, we have disabled access to the old scratch storage. We will keep the data available until 30 June 2022. Afterwards, we will start to delete data so that we can repurpose the storage within ALICE. You can request temporary access by contacting the ALICE Helpdesk. See also the wiki page: Data Storage.

Next Maintenance

System Maintenance on ALICE will take place on 22 Aug 2022 between 09:00 and 18:00 CEST (See the Maintenance Announcement)


Just Getting Started?

If you're new to ALICE, please check out the User Guide.

What more can I do with ALICE?

If you already have experience with ALICE and/or HPC, have a look at the Advanced Guide pages. Please note that many of the pages here are still under construction and subject to change.

What else is there about ALICE?

If you need more information on general topics, such as hardware, storage, and policies, please take a look at the Documentation pages. Please note that many of the pages here are still under construction and subject to change.

Have a question or feedback on ALICE?

If you have a question about ALICE, need help with using it or want to give us some feedback, please see the Support page to know how you can connect with us.

Status of ALICE?

Would you like to know how busy ALICE is and if all nodes are up, then please have a look at the Current Status Overview.