Data transfer to/from Pelle using Transit and SFTP¶

Does not work yet

Pelle is a new UPPMAX HPC cluster that is in the process of being deployed.

The procedure as described on this page does not work yet or is untested.

This page will be updated when this works.

There are multiple ways to transfer data to/from Pelle.

Data transfer to/from Pelle using Transit is one of the ways ways to transfer files to/from Pelle

One can use SFTP to copy files between Pelle and Transit, from either Pelle or Transit.

Both ways are shown step-by-step below.

Overview¶

flowchart TD

    %% Give a white background to all nodes, instead of a transparent one
    classDef node fill:#fff,color:#000,stroke:#000

    %% Graph nodes for files and calculations
    classDef file_node fill:#fcf,color:#000,stroke:#f0f
    classDef calculation_node fill:#ccf,color:#000,stroke:#00f
    classDef transit_node fill:#fff,color:#000,stroke:#fff

    subgraph sub_inside[SUNET]
      direction LR
      user(User)
      subgraph sub_transit_env[Transit]
        transit_login(Transit login):::calculation_node
        files_on_transit(Files posted to Transit):::transit_node
      end
      subgraph sub_pelle_shared_env[Pelle]
          files_in_pelle_home(Files in Pelle home folder):::file_node
      end
    end

    %% Shared subgraph color scheme
    %% style sub_outside fill:#ccc,color:#000,stroke:#ccc
    style sub_inside fill:#ccc,color:#000,stroke:#000
    style sub_transit_env fill:#cfc,color:#000,stroke:#000
    style sub_pelle_shared_env fill:#fcc,color:#000,stroke:#000

    user --> |logs in |transit_login

    transit_login --> |can use|files_on_transit
    %% user_local_files <--> |graphical tool|files_in_pelle_home
    %% user_local_files <--> |SCP|files_in_pelle_home
    files_on_transit <==> |transfer|files_in_pelle_home

Overview of file transfer on Pelle The purple nodes are about file transfer, the blue nodes are about 'doing other things'. The user can be either inside or outside SUNET.