Benefits
The reliability, availability, and scalability (RAS) features of the Itanium platform, combined with simplified failover clustering capabilities and platform scalability enable you to confidently move proprietary RISC/UNIX and mainframe implementations to a standards-based architecture with improved agility and total cost of ownership (TCO).
Mainframe-Class Reliability and Availability
Succeeding in the global marketplace requires remote employees, international customers, and partners to have around-the-clock access to information. A disruption in services can result in diminished productivity and lost opportunities. A variety of features contribute to the reliability of Windows Server 2008 R2 for Itanium-Based Systems.
Dynamic Hardware Partitioning
Windows Server 2008 R2 for Itanium-Based Systems provides Dynamic Hardware Partitioning on supporting hardware, which both helps improve reliability and enables you to make changes to your server partitions while avoiding downtime. Hot addition or replacement of processors and memory helps increase the reliability and serviceability of systems.
Failover Clustering
Windows Server 2008 R2 for Itanium-Based Systems supports clusters of up to eight nodes. Failover clustering provides broader high-availability capabilities for business-critical workloads. The marginal cost of adding failover clustering is low, since you can have many cluster nodes running your application with only a single node standing by for failover.
Itanium RAS Features
Windows Server 2008 R2 for Itanium-Based Systems makes full use of RAS features at the heart of the Intel Itanium processor architecture. Features like enhanced memory ECC, memory sparing, memory mirroring, memory CRC, lockstep support, and advanced Machine Check Architecture all help prevent, handle, and recover from memory errors, improving system reliability.
Massive Scalability
As organizations rapidly grow and change, IT infrastructures must remain flexible and scalable. They must help support, manage, and secure expanded functionality, an influx of additional users and locations, and increasingly robust applications.
Windows Server 2008 R2 for Itanium-Based Systems scales by providing support for up to 64 Itanium processors on a single server and up to 2 terabytes of RAM.