# The great migration - decommissioning the Wigner data centre.

- Institution: CERN
- Department: HEP Computing
- Speaker: Oliver Keeble
- Year: 2020
- Language: English
- Subjects: Computer science
- Source: [CERN](https://videos.cern.ch/record/3009683)
- Licence: [CERN](http://copyright.web.cern.ch)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

During 2019 CERN decommissioned its data centre in Wigner, Hungary. This contribution gives an overview of how 90PB of EOS-managed storage was successfully dismantled and the data relocated to the central Geneva site, maintaining full availability of the service and the data..

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## Lectures

1. [The great migration - decommissioning the Wigner data centre.](https://invisiblenetwork.ai/learn/cern/3009683/e85a6c3e1b26), 14 min (CERN's player)