Sub-capacity License Counting Scenarios - HP Virtualization Technologies

1. Sub-capacity License Counting Scenarios -HP Virtualization Technologies NOTE: Review this presentation in conjunction with the most current Sub-capacity licensing overview presentation

2. Sub-capacity Licensing Requirements Summary • Customers must agree to the terms of the sub-capacity attachment • Customers must use eligible IBM programs with sub-capacity part numbers • Customers must use eligible virtualization technology • Customers must use eligible processor technology • Install IBM license metric tool when it becomes available (mid 2008) • Identify processor type and number of processor cores • Identify IBM software deployed on servers • Calculate PVUs required based on high water mark processor capacity available Current list of eligible programs and supported virtualization and processor technologies available on Passport Advantage Please note: Customers are responsible for the installation of the upcoming IBM license metric tool and for the server it runs on. While required use of the current IBM license management tool is temporarily suspended, customers remain responsible for acquiring sufficient quantities of license authorizations to comply with the sub-capacity offering terms.

3. Index of Items • Scenarios • HP-UX nPars (page 4) • HP-UX vPars (page 5) • HP-UX dynamic vPars (page 6) • HP-UX Integrity Virtual Machine (page 7) • Additional Information • Definitions • HP Virtualization Technology • Web links • Special Notices

4. Processor cores License Counting: HP-UX nPars • License entitlements required are based on processor core capacity available to the software in the nPartitions (nPars) • Each nPAR has a minimum of 1 Cell. A cell or cell board is a module or housing that may contain up to four processors (chips). • Note: Each nPar in this example has a Cell with 4 single-core processors, for a total of 4 cores per nPar and 12cores for server • For the example below: • WebSphere Application Server (WAS): PVUs for 8 cores need to be licensed • DB2 Enterprise Server Edition (DB2): PVUs for 8 cores need to be licensed nPars HP-UX 11i WAS HP-UX 11i WAS DB2 ESE HP-UX 11i DB2 ESE 1 2 3 4 5 6 7 8 9 10 11 12

5. Processor cores License counting: HP-UX static vPars • License entitlements required are based on processor core capacity available to the software in the Virtual Partitions (vPars) • For the example below: • WAS: PVUs for 10 cores need to be licensed • DB2: PVUs for 4 cores need to be licensed vPars

6. License counting with dynamic vPars (I) • HP-UX OS provides the capability to dynamically move processor core resources between vPars (Virtual Partitions). • Customer must acquire PVUs for the highest* number of processor core capacity available to the IBM software • Example: Customer’s basic configuration: WAS 10 DB2 4 Changed for batch peak: WAS 10 DB2 4 Changed for simulation: WAS 10 DB2 6 • License PVUs for 10 WAS cores (consistent throughout) + 6 DB2 EE cores (from Configuration B) * Maximum per-vPar number of cores

7. License Counting – Integrity Virtual Machine (on HP-UX 11i v2 host) Server with 4 processor cores Cores to be licensed License rule: the lower of the sum of each VM for a product or the processor core capacity of the server 6 Virtual CPUs 1 2 3 4 4 Physical Cores in the Server Note: Each Virtual CPU is equal to 1 processor core

8. Backup

9. Definitions & Parameters • Cell: • A cell or cell board is a module that primarily houses processors, memory, and the cell controller application-specific integrated circuits (ASICs). Up to four processor (chips) are contained in a cell. • Hard Partition (nPar) • Offer electrical and software isolation. Each nPar contains one or more cells (containing processors and memory) that are assigned to the partition for its exclusive use. • Absolute minimum is one cell. The cell does not have to be fully populated (e.g. can have just one processor (chip). • Any changes to the number of cores requires a reconfiguration and reboot of the hard partition • Virtual Partition (vPar) • are separate operating system instances on the same nPartition or system with operating system, application, and resource isolation. • HP-UX 11i Virtual Partition enable you to dynamically move processing power between vPars as your workload requirements change. • You can allocate cores to a vPar down to a granularity of a single core • Absolute minimum number of cores = 1. Per vPar minimum number of cores is configurable. Changes to the per-vPar minimum requires a reboot of the vPar. • Absolute maximum number of cores for a vPar = ( Total number of cores on the system minus number of cores associated with other vPars on the system). Per vPar maximum number of cores is configurable. Changes to the per-vPar maximum requires a reboot of the .

10. Definitions & Parameters • HP Integrity Virtual Machines • Is a software partitioning product that provides virtualization of resources, shared CPU, shared I/O, and resourcing based on demand and entitlement for HP Integrity servers running HP-UX 11i v2. • HP Integrity VM provides the ability to allocate CPU and I/O to an application at a granularity less than that of the physical hardware yet keeps applications separate from one another in their own operating system instance. • Integrity VM virtualizes the processing cores and software for the guest operating systems running on “virtual CPUs” in the virtual machine. A virtual CPU represents no more than one processor core. • You can allocate cores to a Integrity VM down to a granularity of a single core • Absolute minimum of vCPUs (cores) = 1 core • Current absolute maximum of vCPUs (cores) = 4 cores • The entitlement (share of physical core per vCPU) may be changed dynamically in a range from 5% to 100%. This does not impact licensing. A single physical core can support up to 20 virtual machines

11. HP Virtualization Technology - HP Virtual Server Environment T I M E Virtual Partitions or HP IntegrityVirtual Machines within a hard partition Single Physical Node Single OS image nPartitions Hard partitions within a node Single node nPar 1 nPar 1 • OS image with HW fault isolation • Dedicated CPU, RAM & I/O vPar 1 OS image with SW fault isolation • Dedicated CPU, RAM server nPar 2 vPar n nPar2 IVM 1 OS image with SW fault isolation • Virtualized and Shared CPU, I/O • Virtualized memory nPar n

12. Additional Information • More information about Passport Advantage Sub-capacity Licensing can be foundon Passport Advantage

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