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Warning!

Puhti and Mahti will be decommissioned after Roihu becomes available. Users should clean up unnecessary files and move any required data by the end of August 2026. See the Roihu data preparation instructions for details.

Puhti scratch is very full: keep only active data there and move or delete everything else. No new Puhti scratch quota will be granted.

How to create a CSC user account

If your home organization is a member of the Haka or Virtu federation, you can create a CSC account yourself.

If you don't have Haka or Virtu, please see how to contact us to register.

Please see the Accounts section and general information about getting started with CSC services for more information.