HP NonStop refers to the line of fault-tolerant servers and software originally developed by Tandem Computers and now owned by Hewlett Packard Enterprise (HPE). These systems are designed for continuous operation and uninterrupted transaction processing by using redundant hardware components and independent processors to automatically failover in the event of a failure, ensuring high availability for critical applications in banking, telecommunications, and healthcare.
Origins and Evolution
Tandem Computers: Founded in 1974, Tandem introduced the NonStop system, a pioneering fault-tolerant computer with no single point of failure, revolutionizing continuous availability for online transaction processing.
Acquisitions: Tandem Computers was acquired by Compaq in 1997, and Compaq was later acquired by Hewlett-Packard (HP) in 2001.
Current Ownership: After the split of HP into Hewlett Packard Enterprise (HPE) and HP Inc. in 2015, the NonStop product line became part of HPE.
Key Features and Uses
Fault Tolerance: The systems are built with redundant components, including identical processors and storage devices, allowing them to automatically detect and recover from hardware or software failures without interruption.
High Availability: This fault-tolerant architecture is ideal for mission-critical applications that require constant uptime, such as financial transactions, emergency services, and large-scale banking systems.
Scalability: NonStop systems are designed for scalability, able to handle large commercial workloads by adding independent processors.
Specialized Database: The line includes NonStop SQL (currently SQL/MX), a relational database designed for the high availability and scalability needs of these systems.
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