Resilient Data Futures
SourceS-0029

Kyoto University IIMC 77TB loss notice (Dec 2021)

References [29]2026-05-030 out · 1 in

Kyoto University Institute for Information Management and Communication (IIMC), official incident notification on the loss of storage files on the supercomputer system, December 28, 2021. iimc.kyoto-u.ac.jp/en. Claburn, T. "Kyoto University loses 77TB of supercomputer data after buggy update to HPE backup program," Data Center Dynamics, January 2022.

Key facts: Buggy HPE backup script update executed December 14-16, 2021. ~77 TB across 34 million files deleted from 14 research groups. ~28 TB across ~25 million files across four groups unrecoverable.

Use: E-0015, C-0018.

Original whitepaper reference: [29]