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With the introduction of IBM POWER6™ processors, IBM has unleashed a number of new PowerVM™ features designed to help you improve the efficiency, flexibility and availability of your IT systems.
Live Partition Mobility
Live Partition Mobility is designed to allow you to move a running AIX or Linux partition from one physical server to another compatible server without application downtime, helping clients to avoid application interruption for planned system maintenance, provisioning, and workload management. Live Partition Mobility is licensed via PowerVM Enterprise Edition.
Shared Dedicated Capacity
Shared Dedicated Capacity allows for the "donation" of spare CPU cycles from dedicated processor partitions to a Shared Processor Pool. The dedicated partition maintains absolute priority for dedicated CPU cycles. Enabling this feature may help to increase system utilization, without compromising the computing power for critical workloads in a dedicated processor.
Multiple Shared Processor Pools
This feature allows for automatic non-disruptive balancing of processing power between partitions assigned to shared pools resulting in increased throughput and the potential to reduce processor-based software licensing costs. This feature is licensed via PowerVM Standard or Enterprise Edition along with a POWER6 processor-based server.
Lx86
Run x86 Linux applications on POWER™. This feature enables the dynamic execution of x86 Linux instructions by mapping them to instructions on a POWER processor-based system and caching the mapped instructions to optimize performance. PowerVM Lx86 software is designed with features that enable users to easily install and run a wide range of x86 Linux applications on Power™ Systems platforms with a Linux on POWER operating system.
Virtual I/O Server
The Virtual I/O Server is a special-purpose partition, called the Hosting Partition, which provides virtual I/O resources to client partitions. The Virtual I/O Server owns the resources that are shared with clients. A physical adapter assigned to a partition can be shared by one or more other partitions. The Virtual I/O Server is designed to reduce costs by eliminating the need for dedicated network adapters, disk adapters and disk drives.
Integrated Virtualization Manager
The Integrated Virtualization Manager (IVM) literally allows you to point, click and consolidate workloads with its easy to use browser-based interface. The IVM lowers the cost of entry into POWER6 and POWER5™ processor-based virtualization since it does not require the use of a hardware management console for single system partitioning. With IVM, you can partition a single system, including the creation of LPARs, and management of virtual storage and virtual Ethernet.
Micro-Partitioning technology and shared processor LPARs
Shared processor logical partitioning (LPAR) allows clients to "slice up" a machine into virtual partitions, and provides the flexibility to dynamically change the allocation of system resources for those environments. The Micro-Partitioning™ feature on Power™ Systems servers provides the capability to create multiple virtual partitions within a processor-to a granularity of 1/10th of a CPU. Any of the virtual servers may run on any of the physical processors, meaning that the processor resources are fully shared, making it possible to run the physical server at very high utilization levels.
