Fault-tolerant systems for mission-critical workloads HPE Nonstop Compute
Keep essential operations moving with a unified solution built for continuous availability, linear scalability, and advanced zero trust security.
Always-on innovation with HPE Nonstop
See HPE Nonstop in action across the full stack—from the operating system and real-time database engine, to integrated management, security, and development tools built for continuous operations.
Benefits of HPE Nonstop Compute
High availability and reliability
Support continuous operations during peak demand and unexpected disruption with fault-tolerant design.
Scalability
Add capacity without disruption while preserving performance, data integrity, and reliability across expanding workloads.
Robust security
Protect critical data with built-in zero trust security, real-time threat detection, and advanced protections for evolving risks.
Our customers
Quantify the business impact of always-on operations
See outcomes from a Forrester Consulting Total Economic Impact™ study showing how continuous availability can help reduce downtime, protect revenue, strengthen security, and support scalable growth for workloads that cannot go dark.
Estimate the financial impact of always-on operations for your organization with the ROI calculator.
Explore HPE Nonstop options
Choose the right foundation for your business with HPE Nonstop systems, deployment models, and software capabilities designed for continuous availability, security, and scalable performance.
- Fully integrated systems
- Deployment models
- Software capabilities
FAQs
What is a Nonstop server and why would you use one?
A nonstop server is a fault-tolerant computing system designed to operate continuously without interruption, even during hardware or software failures. It achieves this through redundant components, parallel processing, and automatic failover mechanisms that instantly shift workloads if a failure occurs. Organizations use nonstop servers for mission-critical applications such as banking transactions, telecom networks, stock exchanges, and payment systems, where downtime can cause financial or reputation loss, service disruption, or data inconsistency.
What are the benefits of a Nonstop server system?
Nonstop servers deliver exceptional benefits for mission-critical operations, including continuous availability with 99.999%+ uptime via fault-tolerant design and automatic failover, eliminating single points of failure. They offer linear scalability for growing workloads without disruption, low total cost of ownership through reduced downtime and simple management, and robust data integrity for high-volume transactions. Additional advantages encompass real-time threat detection, zero-trust security for compliance, and self-healing capabilities that maintain performance during failures or peaks. These make them ideal for finance, telecom, and logistics where downtime is unacceptable.
How do Nonstop servers work to prevent downtime?
Nonstop servers prevent downtime through a fault-tolerant, shared-nothing architecture with fully redundant hardware and software components. The operating system continuously monitors all elements—like processors, disks, and networks—via periodic "alive" heartbeat messages, enabling rapid failure detection within seconds. Upon detecting a fault, it automatically triggers a seamless failover: primary processes pair with hot-standby backups that receive real-time checkpoints of state and data, allowing the backup to instantly resume without interruption or data loss. This process-pairing eliminates single points of failure, while mirrored disks and no-spare design ensure linear scalability and self-healing operations.
HPE Nonstop vs other fault tolerant systems
HPE Nonstop systems differ from other fault-tolerant platforms primarily in architectural design, availability model, and workload focus.
More ways to explore
HPE Education Services
Get the most from your HPE Nonstop Compute solution with training designed around your unique business needs. HPE Education Services offers courses designed to empower your IT teams with the skills needed to run your HPE Nonstop Compute solution with our expert-led training.
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