KKR, GIP Data Center Ambitions Face Setback in CyrusOne Outage

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.

To them, it was an eternity, and the failure at the data center outside Chicago is a black eye for CyrusOne’s backers.

KKR & Co. and Global Infrastructure Partners, now a unit of BlackRock Inc., announced their ...