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WIP: Roihu migration guide#2671

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rkronberg wants to merge 21 commits intomasterfrom
roihu-migration-guide
Open

WIP: Roihu migration guide#2671
rkronberg wants to merge 21 commits intomasterfrom
roihu-migration-guide

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@rkronberg
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@rkronberg rkronberg commented Aug 11, 2025

Proposed changes

Idea is to collect best practices and recommendations for migrating from Puhti/Mahti to Roihu. We have a lot of good guides already, especially at https://docs.csc.fi/data/moving/ so idea would be to heavily link to these (and ensure the old pages are still up to date e.g. with respect to SSH keys and SSH agent forwarding etc.).

Based on discussion with @jlento it would make sense to structure the guide such that the easiest solutions are given first, these are possibly sufficient for small datasets, and then gradually more complex approaches based on data size (volume and number of files).

In addition to data migration guide, we should have a generic "quickstart" guide for Roihu (also heavily linking to other pages). One important change is SSH CA procedure.

https://csc-guide-preview.2.rahtiapp.fi/origin/roihu-migration-guide/

Checklist before requesting a review

* SSH CA

* headers

* add mycsc instructions

* add instructions

* fix linkl

* fix link

* extra step

* instructions

* SSH agent

* computing index page

* fix link

* use snippets

* roihu fingerprints for pilot phase

* updates

* authentication agent for windows

* agent forwarding

* document python version of cert helper

* quickstart guide

* add some link
@rkronberg
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Merged SSH CA documentation draft here.

@rkronberg rkronberg self-assigned this Jan 19, 2026
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3 participants