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Capacity on Demand for System p servers allows you to increase the available processor and memory resource, paying for increased capacity only as your needs grow, through the following:
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Permanent capacity for non-disruptive growth
Capacity Upgrade on Demand: Provides a means of planned growth for clients who know they will need increased capacity but aren't sure when.
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Temporary capacity for fluctuating workloads
On/Off Capacity on Demand: Provides for planned and unplanned short-term growth driven by temporary processing requirements such as seasonal activity, period-end requirements or special promotions. Activation is user managed.
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Reserve Capacity on Demand: Provides automated use of CUoD processors on IBM POWER5™ processor-based systems including the p5-570, p5-590 and p5-595 servers for planned and unplanned short-term workloads which are run in a shared processor pool.
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Utility Capacity on Demand: Utility CoD provides automated use of CUoD processors on the IBM POWER6™ processor-based systems including the IBM System p 570 for planned and unplanned short-term workloads which are run in a shared processor pool.
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Temporary capacity for workload peaks and testing
Trial Capacity on Demand: Provides the flexibility to evaluate how additional resources will affect existing workloads, or to test new applications.
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Interim capacity for continued operation
Capacity BackUp: Temporarily supplements backup p5-590 and p5-595 servers with the extra processing capacity they need in case of an unforeseen production server outage.
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Capacity Upgrade on Demand (CUoD) for System p servers allows companies to install more processors and memory than are initially required at an extremely attractive price, and then bring that additional capacity online quickly and easily as demand increases. With AIX® and Linux® operating environments that support dynamic LPAR, processor and memory resource can be allocated dynamically without interrupting system or partition operations.
Available processor resource can be incremented in one processor units while memory can be incremented in 1 GB units. As workload demands require more processing power, you can increase available processor resource by placing an order for an activation feature code. You receive an electronically encrypted activation key over the Internet that unlocks the desired amount of processors. There is no hardware to ship and install, and no additional contract is required.
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On/Off CoD provides an innovative and flexible capability for planned or predictable peek processing requirements for p570, p5-570 (1.65/1.9/2.2 GHz), p5-590, and p5-595 servers. When you order an On/Off CoD feature for p570, p5-570, p5-590, and p5-595 servers, you receive an enablement key that enables the administrator to turn processors and memory on and off as desired, in increments of one processor and 1 GB of memory. The system monitors the amount and duration of the activations and generates a usage report which must be sent to IBM monthly. Billing for the processors and memory is then based on the usage report on a quarterly basis. You pay only for the processor days and memory days after you have used them.
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Reserve CoD allows p5-570 (1.65/1.9/2.1 GHz), p5-590 and p5-595 servers to have optimized, automatically managed temporary allocation of CoD processors. The user purchases a block of 30 Processor Days of usage time and then assigns processors to the shared processor pool. If the demand for processing power from the partitions in the shared pool is both less than the defined maximum processor allocation and more than the available assigned resource, processors can be allocated from the reserve pool. The server then automatically manages the workload and only charges against the Processor Day account when the workload exceeds 100% of the base (permanently activated) processors in the shared processing pool by 1/10 of a processor unit.
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Utility CoD is for owners of p570 servers with unpredictable or short-term workload demand spikes who need an automated and affordable way to deliver sufficient server performance as needed. Use is measured in Processor Minute increments, and is reported by the client at the Utility Capacity On Demand website. Clients have the option to pre-pay or post-pay for processor minutes.
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| Owners of System p servers with Capacity Upgrade on Demand capabilities can use all available CUoD processors and memory resources one time, for up to 30 contiguous days, at no charge. Trial Capacity on Demand is enabled by registering at the System p CoD Web site and electronically receiving an activation key. When clients purchase permanent processor activation on p570, p5-570, p5-590, and p5-595 servers, they have another 30 contiguous day trial. These subsequent trials are limited to the use of two processors and 4 GB of memory. |
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Capacity BackUp (CBU) is available for p5-590 and p5-595 servers to provide a system backup capability at an attractive price. CBU configurations include four active processors and either 28 or 60 inactive processors and 900 or 1800 days of pre-paid On/Off processor days. Clients may purchase additional capacity or processor days at regular On/Off CoD prices. CoD memory may also be purchased as part of the backup procedures.
The full resources in a Capacity BackUp system can be temporarily turned on at any time by using the On/Off CoD activation procedure. This enables the client to have the necessary performance during an unplanned system outage.
If IBM HACMP™ V5 or HACMP/XD software (5765-F62) is installed, scripts can be launched during a failover process which can automatically activate LPAR and CoD resources. This assists clients to provide round-the-clock business continuity and disaster recovery with no loss of data without any need for manual intervention. For more information on how to use HACMP with CBU for automated backup capability, see "Administration and Troubleshooting Guide Version 5.2, SC23-4862-04, Appendix H: Using Dynamic LPAR and CUoD in an HACMP Cluster"
The ability of CBU configurations to effectively backup production systems can be tested using Trial CoD. This temporary backup is most frequently purchased to provide disaster recovery or critical production backup, but the same technology can be applied for other circumstances where production is temporarily moved. This could include upgrades, planned maintenance and other similar activities.
Capacity BackUp offerings are not intended or priced to be used as full-time backup servers for 24x7 high-availability solutions. Since CBU is intended for temporary backup, additional processor resource cannot be permanently activated. High usage of additional processors may add significant cost to an IT operation.
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