# You still have those QDB backups, right? (Practical example of disaster recovery of EOS deployment)

- Institution: CERN
- Department: HEP Computing
- Speaker: Stefan Piperov
- Year: 2025
- Language: English
- Subjects: Computer science
- Source: [CERN](https://videos.cern.ch/record/3022169)
- 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)

In December of 2024 the EOS cluster at Purdue University suffered a security incident which wiped out all metadata of our production deployment. In this brief talk we will give a step-by-step example of what it takes to recover from such setback, and discuss the best backup practices..

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## Lectures

1. [You still have those QDB backups, right? (Practical example of disaster recovery of EOS deployment)](https://invisiblenetwork.ai/learn/cern/3022169/5e2d7caec57f), 31 min (CERN's player)