Lightning strikes Google Data Centre

Google says it has been struck by lightning four times, wiping data from disks at one of its data centres in Belgium. The strikes resulted in permanent data loss in a small fraction of Google Compute Engine (GCE) storage systems.

Some affected disks later became recoverable. But some hardware which is more susceptible to power failure suffered irreversible data loss.

Data centres often need extra protection from lightning, say experts.

In an online statement, Google said that just 0.000001% of disk space was permanently affected.

Although automatic auxiliary systems restored power quickly, and the storage systems are designed with battery backup, some recently written data was located on storage systems which were more susceptible to power failure from extended or repeated battery drain,”

The GCE service allows Google’s clients to store data and run virtual computers in the cloud. It’s not known which clients were affected, or what type of data was lost.

The company said it would continue to upgrade hardware to improve data retention and improve response procedures for system engineers during future incidents.

Via

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