Introduction to Integrity Virtual Machines

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Introduction ...................................................................................................................................2

What are HP Integrity Virtual Machines? ............................................................................................3

Why use HP Integrity Virtual Machines? .............................................................................................4

Practical consolidation on enterprise-class servers.............................................................................4

Increased utilization and scalability................................................................................................5

More flexibility and faster deployment ............................................................................................7

Higher quality and productivity......................................................................................................8

Improved system availability and capacity.......................................................................................9

HP Integrity Virtual Machines features ..............................................................................................10

Compatibility with HP Virtual Server Environment and HP OpenView.....................................................11

Workload management .............................................................................................................11

HP Instant Capacity...................................................................................................................11

HP OpenView Management Software...........................................................................................11

HP Serviceguard.......................................................................................................................11

Software Licensing........................................................................................................................12

For more information.....................................................................................................................12

Summary of content (12 pages)

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Introduction to Integrity Virtual Machines Introduction ................................................................................................................................... 2 What are HP Integrity Virtual Machines? ............................................................................................ 3 Why use HP Integrity Virtual Machines? .............................................................................................
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Introduction Today’s data centers frequently need to be flexible in meeting the demands of new customers and new projects. Ideally, these demands are met quickly with minimal overhead while providing a relatively high level of isolation from other customers. For most data centers, the best solution is one that uses current capacity to satisfy these new demands while continuing to provide existing customers with the precise capacity they expect.
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Figure 1 Integrity VM extends the HP Partitioning Continuum Virtual partitions within a server or hard partition C lusters of hard partitions or servers Hard partitions within a server complex vP ars R esource partitions within an OS instance HW granularity C lusters nP artitions Integrity VM P rocess R esource Manager HW sharing Virtual machines within a server or hard partition What are HP Integrity Virtual Machines? The HP Integrity Virtual Machines product is a robust soft partitioning and vir
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Why use HP Integrity Virtual Machines? Most data centers have server hardware that is under-utilized. These same data centers almost never have enough servers to satisfy their customers. These seemingly contradictory situations have led administrators to the obvious conclusion for years – “I should be able to make better use of the resources I already have.
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Increased utilization and scalability Very few data centers achieve utilization rates above 40 percent. This is usually the result of two common practices: First, there is typically a one-to-one relationship between applications and servers. Second, many enterprise-class applications are resource-intensive, but the high demand is only for short periods.
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Other technologies can dynamically partition hardware and dedicate resources to those partitions. These technologies provide flexibility in scalability of the individual partitions, allocating one or more CPUs to each partition. Figure 3 shows this approach with hardware dedicated to partitions. However, these technologies are limited in improving utilization because each CPU can be used in only one partition.
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More flexibility and faster deployment Integrity VM manifests configuration flexibility in multiple dimensions as illustrated above. Virtual CPU configuration is extremely flexible, offering multiple virtual single-CPU servers and SMPs on the same physical server. Integrity VM also provides flexibility in configuring I/O devices, highlighted in Figure 5. To facilitate better hardware utilization, virtual machines can be configured to share a physical network interface card using a virtual network switch.
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Higher quality and productivity Sometimes, operating system adoption rates are slowed because all parts of the solutions that run on the server must be available and qualified before that server can be upgraded. Integrity VM provides a way to do rolling OS and software upgrades on a given server. With Integrity VM, the server can be partitioned into multiple operating system revisions. Those applications available on the new OS release can take advantage of the new features.
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Improved system availability and capacity In traditional server environments, all CPUs within a server run the same OS instance and one or more applications. Application and OS failures may affect the entire server. For improved single system availability, Integrity VM allows you to run one application per virtual machine. When an application software failure does occur in one of the virtual machines, that application may be lost, but the applications on other virtual machines continue to run.
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HP Integrity Virtual Machines features In summary, the HP Integrity Virtual Machines product offers the following features: • Support of low to high-end HP Integrity servers and blades: HP Integrity rx3600, rx6600, rx7620, rx7640, rx8620, rx8640, Integrity Superdome sx1000 and sx2000 servers; BL60p and BL860p blades; and future Integrity servers and blades • Support for numerous virtual machines, both uni-processor and SMPs, on a single Integrity server • Different virtual machines can run guest operating s
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Compatibility with HP Virtual Server Environment and HP OpenView HP Integrity Virtual Machines is an important component of the HP Virtual Server Environment. Integrity Virtual Machines is well-integrated with the key elements of the Virtual Server Environment, as well as with many of HP’s extensive line of OpenView enterprise management products, a few of which are highlighted here.
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Software Licensing HP Integrity Virtual Machines software will be licensed using Per Core Licensing for each of the active physical cores in the hard partition (nPartition) or server on which it runs. HP offers Virtualization Licensing for the software run within the Integrity VM virtual machines including the HP-UX 11i Operating Environments and HP-UX 11i Application software offered on a Per Core Licensing basis. Virtualization Licensing allows the following 2 choices for licensing the software: 1.