Generator fuel storage for a cloud datacenter should last for how long, at a minimum?

The guideline that generator fuel storage for a cloud datacenter should last a minimum of 12 hours is based on the need to ensure continuous operation during brief outages or interruptions in power supply. In the context of cloud computing, where uptime and reliability are critical, a 12-hour fuel capacity allows for the management of short-term power disruptions and gives operators sufficient time to either restore the primary power source or switch to alternative backup solutions.

This duration is practical because it balances readiness with resource management, allowing facilities to operate effectively without needing excessive fuel reserves, which could lead to increased operational costs or risks associated with long-term fuel storage. It also allows for the possibility of obtaining additional fuel deliveries during a prolonged outage.

In contrast, options suggesting shorter durations, such as 10 minutes, would not provide adequate support for even minor interruptions, while an indefinite supply is impractical as it does not consider the logistics and realities of fuel procurement. The option of three days, although providing a more extended buffer, may not be necessary for the typical operations and can lead to other issues concerning fuel management and costs. Thus, the 12-hour minimum provides a balanced approach suitable for maintaining cloud datacenter resilience.