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Tip

If you find any problem or any feature missing that you think should be present, and it is not listed here, please let us know  by reporting as a "Problem on computing" through the ECMWF Support Portal mentioning "Atos HPCF" in the summary.

Atos HPCF is not operational platform yet, and many features or elements may be gradually added as complete setup is finalised. Here is a list of the known limitations, missing features and issues.

Table of Contents

File Systems

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  • HOME is in a temporary location (Lustre). It does not come with snapshots or backup.
  • PERM is temporarily supported by an area in lustre (no backups, no snapshots), but in the future will be provided by external NFS services (see above). Please use HPCPERM in the meantime, which would offer better parallel performance  - but no snapshots or backup.

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Missing Features

Comprehensive software stack

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See HPC2020: Filesystems for all the details.

prepIFS

The prepIFS environment for running IFS experiments on Atos is still under development, and is not yet ready for general use. A further announcement will be forthcoming where users will be invited to start running prepIFS experiments on Atos and migrate their workflow.

ECACCESS and Time-Critical Option 1 features

The ECACCESS web toolkit services, such as the job submission, including Time-Critical Option 1 jobs, file transfers and ectrans have not been set up yet to use the Atos HPCF. The ECACCESS toolkit has not been 

Time-Critical Option 2

Time-Critical Option 2 users enjoy a special setup with additional redundancy in terms of filesystems to minimise the impacts of failures or planned manitenances. However, this has not been finalised yet so we would recommend not to start using these accounts until the configuration is complete.

Known issues

Intel MKL > 19.0.5 performance issues on AMD chips

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