Finance

A 10-Hour Data Center Outage Is Testing the Ambitions of KKR, GIP

The CyrusOne data center in Aurora, Illinois.Photographer: Jim Vondruska/Bloomberg

Data center operators are fixated on the “five nines” — an expectation that they’ll keep the infrastructure behind financial markets, e-commerce and artificial intelligence running 99.999% of the time.

So as news rippled out last month that a CyrusOne facility in Aurora, Illinois, that handles trillions of dollars in trading volume each day went down for 10 hours, industry insiders were stunned.