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Update Alps and vClusters
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mjaehn committed Dec 17, 2024
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27 changes: 5 additions & 22 deletions docs/alps/index.md
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!!! construction "Page under construction - last update: 2024-09-06"

Information in this page is not yet complete nor final. It will be updated following the progress of

- the Alps system deployment at CSCS
- C2SM's adaptation to this new system

# The Alps System

Alps is a distributed HPC infrastructure managed by CSCS. Contrary to traditional HPC, it is composed of several logical units called vClusters (versatile clusters). From the users perspective, they play the role of a traditional HPC machine, each vCluster being tailored to the needs of a specific community. This setup also enables geographical distribution of vClusters which facilitates geo-redundancy. The main physical piece of Alps is hosted at CSCS in Lugano and a detailed description can be found at [their website :material-open-in-new:](https://www.cscs.ch/computers/alps){:target="_blank"}.

## vClusters

The following table shows the current plan for the final vClusters distribution on Alps at CSCS (not the current situation).
The following table shows current vClusters distribution on Alps at CSCS (only C2SM relevant vClusters are shown).

| vCluster | Activity | Share |
|----------|-------------------|------------------|
| Daint | User Lab | ~ 800 GH nodes |
| Santis | Weather & Climate | ~ 500 GH nodes |
| Daint | User Lab | ~ 600 GH nodes |
| Clariden | Machine Learning | ~ 800 GH nodes |
| Santis | Weather & Climate | ~ 400 GH nodes |
| Tödi | Testing | few GH nodes |
| Eiger | | multi-core nodes |

*GH = Grace Hopper*

## Early Access

For getting access to the vCluster dedicated to testing ([Tödi](vclusters.md/#todi){:target="_blank"}), CSCS offers [Preparatory Projects :material-open-in-new:](https://www.cscs.ch/user-lab/allocation-schemes/preparatory-projects){:target="_blank"}.

## Support by CSCS

To contact CSCS staff directly, users can join their dedicated [Slack channel :material-open-in-new:](https://cscs-users.slack.com){:target="_blank"}.

## File Systems
General information about access, file systems, vClusters, user environments and much more can be found at the [CSCS Knowledge Base](https://confluence.cscs.ch/display/KB).

!!! note "TODO"
To contact CSCS staff directly, users can join their dedicated [Slack workspace :material-open-in-new:](https://cscs-users.slack.com){:target="_blank"}, with dedicated channels for each vCluster.

- [ ] `/users`, `/store` and `/scratch`
- [ ] reserved space per vClsuter vs shared space
- [ ] ...

## Introductory Workshop Material

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!!! construction "Page under construction - last update: 2024-09-06"
!!! construction "Page under construction - last update: 2024-12-17"

Information in this page is not yet complete nor final. It will be updated following the progress of

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