IBM Power Systems Private Cloud with Shared Utility Capacity – Architecture and technical overview
By Isabella Ward / April 13, 2022 / No Comments / IBM Certifcation Exam
2.4.2 IBM Power Systems Private Cloud with Shared Utility Capacity
IBM Power Systems Private Cloud with Shared Utility Capacity solution (Power Enterprise Pools 2.0) is an infrastructure offering model that enables cloud agility and cost optimization with pay-for-use pricing.
All installed processors and memory on systems in a pool are activated and made available for immediate use when a pool is started. Processor and memory usage on each server are tracked by the minute and aggregated across the pool.
The capacity in this model consists of Base Activations and Capacity Credits, which are shared across the pool without having to move them from server to server. The unpurchased capacity in the pool can be used on a pay-as-you-go basis. Resource usage that exceeds the pool’s aggregated base resources is charged as metered capacity by the minute. It also is debited against purchased Capacity Credits on a real-time basis, as shown in Figure 2-14.
Figure 2-14 IBM Power Systems Private Cloud with Shared Utility Capacity
Chapter 2. Architecture and technical overview 77
IBM Power Systems Private Cloud with Shared Utility Capacity solution is supported only on specific POWER9and Power10 processor-based systems.Power E1080 servers can co-exist with Power E980 systems in the same pool.
A single Power Enterprise Pool 2.0 supports up to 2000 VMs; up to 1000 VMs are supported per HMC. At the time of this writing, up to 200 VMs are supported per Power E1080 server, which is planned to be increased to 750 VMs per Power E1080.
Besides processor and memory metering, Power Enterprise Pools 2.0 enables metering AIX and IBM i software entitlements and SLES and RHEL subscriptions in the pool.
For more information and requirements, see IBM Power Systems Private Cloud with Shared Utility Capacity, SG24-8478.
2.4.3 Static, Mobile, and Base activations
Static processor and Memory activations are restricted to a single system. They are enabled by entering a code into the HMC that manages the system. The extra cores or memory are immediately available for use by workloads on the system.
Static activations are available in two versions:
Ê Static activations: This standard processor or memory activation can run VIOS, AIX, IBM i, and Linux workloads
Ê Static activations for Linux: This processor or memory activation can run only VIOS and Linux workloads
Mobile activations are ordered against a specific server, but can be moved to any server within the Power Enterprise Pool 1.0 and support any type of application. Mobile activations can be purchased in the initial order or with an MES upgrade.
Base Processor and Memory activations are associated with a single system and initially act as Static activations. When a system is added to a Power Enterprise Pools 2.0 configuration, all of its Base activations are added to the pool’s base capacity.
Base activations for processor and memory resources are available in the following types:
Ê Base activations: This processor or memory activation can run VIOS, AIX, IBM i and Linux workloads. Initially, Base activations act like Static activations until the system is added to a Power Enterprise Pool 2.0. Static and Mobile activations can be converted to Base activations with an MES order.
Ê Base Linux activations: This Base Processor activation can run only VIOS and Linux workloads.
Table 2-7 lists the Static, Mobile, and Base processor activation features that are available for initial order on the Power E1080 server.
Table 2-7 Static, Mobile, and Base processor activation features
78 IBM Power E1080: Technical Overview and Introduction
Table 2-8 lists the Static, Mobile, and Base memory activations that are available for initial order on the Power E1080 server.
Table 2-8 Static, Mobile, and Base Memory activation features