Hewlett Packard Enterprise (HPE) released a software upgrade that caused a script misfire and destroyed save data, causing Kyoto University to lose 77TB of crucial research data from its supercomputer. As a result, working days were lost and much of the erased data was permanently destroyed.
According to The Stack, Kyoto University lost around 34 million files from 14 research groups between December 14 and 16. According to GizChina, the university was unable to restore the data of four groups using backups and as a result the data is lost forever. . Initially, Kyoto experts estimated that the university had lost up to 100TB of data, but it turned out that the tragedy was limited to 77TB of data.
HPE released an update that caused a script to stop deleting log files older than ten days. Rather than destroying obsolete log files that were stored with backups in a high-capacity storage system, it erased all files from the backup, erasing 77TB of crucial research material. HPE has confirmed that its software upgrade was responsible for the issue and accepted full responsibility.
“From 5:32 p.m. on December 14, 2021 to 12:43 p.m. on December 16, 2021, due to a fault in the program that backs up the supercomputer system storage (manufactured by Japan Hewlett Packard), the supercomputer system [malfunctioned]reads a statement from HPE translated by Google. “As a result, a crash occurred in which some data in the high capacity storage (/LARGE0) was inadvertently deleted. […] The backup log of the past was originally useless due to a problem of reckless modification of the program and its application procedure during the functional repair of the backup program by Japan Hewlett Packard, the supplier of the supercomputer system . The file deletion process malfunctioned as the file deletion process under the /LARGE0 directory.
The backup process on the supercomputer was interrupted by the crew. Nevertheless, Kyoto University intends to start backups by the end of January after resolving the software and script issue, as well as adopting preventive precautions.
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