3.1 Capacity on Demand

p5-570 systems can be shipped with non-activated resources (processors and memory), which may be added as they are needed. Processors and memory can be brought online to meet increasing workload demands without affecting system operations.

The CoD is supported on p5 Model 570 when the 1.65 GHz and 1.9 GHz Power5 processors are used.

The following sections outline the different methods that are available, namely:

￿Processor

Capacity Upgrade on Demand

Reserve Capacity on Demand

Dynamic processor sparing

￿Memory

Permanent Capacity Upgrade on Demand for Memory

On/Off Capacity on Demand

Reserve Capacity on Demand

￿Processor and Memory

Trial Capacity on Demand for processors and memory

The following sections describe the processor cards that support the CUoD features.

2-way 1.65 GHz POWER5 processor card

The base 2-way 1.65 GHz POWER5 processor card (FC 7830) features two processors (but 0 active) and eight DDR1 Memory DIMM sockets. Processors are activated in increments of one processor, either permanently or for a given amount of time.

2-way 1.9 GHz POWER5 processor card with DDR1 memory slots

The 2-way 1.9 GHz POWER5 processor card (FC 7832) features two processors (but 0 active) and eight DDR1 Memory DIMM sockets. Processors are activated in increments of one processor, either permanently or for a given amount of time.

2-way 1.9 GHz POWER5 processor card with DDR2 memory slots

The 2-way 1.9 GHz POWER5 processor card (FC 7833) features two processors (but 0 active) and eight DDR2 Memory DIMM sockets. Processors are activated in increments of one processor, either permanently or for a given amount of time.

Note: The 2-way 1.5 POWER5 processor card does not support any CUoD feature.

Processor and memory Capacity Upgrade On Demand and Dynamic processor sparing is supported by AIX 5L Version 5.2 ML4 (IY56722) or AIX 5L Version 5.3. Dynamic processor sparing requires that the CPU guard attribute is set to enable.

3.1.1 Processor Capacity Upgrade on Demand methods

This section describes the different CUoD methods that are available for the processors at time of writing.

52p5-570 Technical Overview and Introduction

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IBM P5 570 manual Capacity on Demand, Processor Capacity Upgrade on Demand methods, Way 1.65 GHz POWER5 processor card

P5 570 specifications

The IBM P5 570 is a high-performance server that was designed for enterprise-scale computing, offering a blend of advanced technologies and a flexible architecture. Launched as part of IBM's Power5 server line, the P5 570 stands out for its robust processing capabilities and extensive scalability, making it a preferred choice for businesses requiring reliable and efficient computing solutions.

At the heart of the P5 570 is the IBM Power5 processor, which employs simultaneous multi-threading (SMT) technology. This allows the processor to handle two threads per core, effectively doubling the throughput for workloads ideally suited to multi-threading. The server typically features a configuration of up to 32 Power5 processors, providing an impressive compute power that supports demanding applications, ranging from databases to complex enterprise resource planning (ERP) systems.

The P5 570 architecture supports a wide range of memory configurations, with a maximum memory capacity of up to 512 GB. Utilizing IBM’s proprietary Chip Memory technology, it can deliver high bandwidth and low latency, significantly enhancing performance for memory-intensive applications. Furthermore, the integrated memory controller architecture optimizes memory access, ensuring that critical workloads run smoothly.

Scalability is a key characteristic of the P5 570, with the ability to expand processing power and memory capacity as an organization’s needs grow. The server supports various operating systems, including AIX, Linux, and IBM i, which provides flexibility for diverse IT environments. This versatility ensures that companies can run their preferred applications without the need for substantial system overhauls.

In terms of storage, the P5 570 utilizes advanced RAID technology and supports a variety of disk configurations, ensuring that data integrity and availability are maintained. Coupled with built-in security features, such as the IBM Trusted Foundation, which establishes a secure boot environment, the P5 570 offers a reliable platform for mission-critical workloads.

Finally, the IBM P5 570 is designed for high availability and redundancy. Features like hot-swappable components and advanced error detection and recovery mechanisms minimize downtime, making it a dependable choice for businesses that operate around the clock. Combined with its powerful hardware and versatile software support, the IBM P5 570 remains a formidable player in the high-performance server arena.