How does HP (Tandem) Non stop compare with Linux clusters?

Question

HP NonStop systems (formerly known as the Tandem) are known for their high availability and reliability and higher cost.

How do Linux or Unix-based clusters compare with them in these respects and in others?

Answer 1

On a fault-tolerant machine, fault tolerance is handled directly in hardware and is transparent to the application. Cluster programming requires you to explicitly handle fault tolerance in the application.

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