# An unhappy end for S3

- Institution: CERN
- Department: HEP Computing
- Speaker: Tom Wezepoel
- Year: 2023
- Language: English
- Subjects: Computer science
- Source: [CERN](https://videos.cern.ch/record/3003832)
- 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)

Research Drive, the Dutch Sync & Share service based on ownCloud, uses OpenStack Swift S3 as its storage backend. Where the integration of S3 within the software is not that good, we will migrate back to a posix compliant file system, namely CephFS. But how to migrate almost 2 PB of data without too much downtime...

## Lectures

1. [An unhappy end for S3](https://invisiblenetwork.ai/learn/cern/3003832/c666584550ef), 16 min (CERN's player)