By Dan Herington
Use HP virtualization to maximise IT provider caliber, agility, and cost * comprises assurance of HP's new Integrity digital Machines, worldwide Workload supervisor, Virtualization supervisor, and potential consultant * Plan, enforce, and deal with virtualization to force greatest enterprise price * comprehend HP's virtualization strategies for partitioning, application pricing, excessive availability, and administration for HP Integrity and HP 9000 servers * deal with your current assets to force exceptional degrees of utilizationVirtualization bargains IT enterprises remarkable possibilities to augment provider caliber, enhance agility, and decrease rate through growing an automatic stability in process assets. Now, there is a entire consultant to virtualization in response to the industry's such a lot versatile and entire answer: HP's digital Server surroundings (VSE).Two prime HP architects and purchaser experts assist you determine the easiest "sweet spot" VSE answer in your environmentâ?"and plan, enforce, and deal with it.The HP digital Server atmosphere systematically introduces VSE applied sciences for partitioning, software pricing, excessive availability, and administration, in addition to HP's strong, particular goal-based method of workload administration. even if you are a resolution fashion designer, architect, or engineer, you can find life like examples, deep perception, and useful assistance, all with one target: that will help you maximize the enterprise worth of virtualization. * Architect versatile, dynamic configurations that adapt immediately to company specifications * decide on the perfect strategies from HP's partitioning continuum: nPars, vPars, HP Integrity digital Machines, and safe source walls * Use application pricing ideas to installation speedy, transitority, or pay-per-use ability anywhere you wish it * enhance usage and keep an eye on your digital setting with HP-UX Workload supervisor, HP Serviceguard, HP worldwide Workload supervisor, Virtualization supervisor, and skill consultant * combine VSE applied sciences into heterogeneous HP-UX, Linux, and home windows environments on HP Integrity and HP 9000 servers"
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Role-Based Access Controls (RBAC) In many very secure environments, customers require the ability to cripple or remove the root user from the system. This ensures that if there is a successful break-in to the system and an intruder gains root access, he or she can do little or no damage. In order to provide this, HP has implemented role-based access control in the kernel. This is integrated with the fine-grained privileges so that it is possible to define a "user admin" role as someone who has the ability to create directories under /home and can edit the /etc/password file.
Sub-CPU or whole-CPU granularity: Since the system is virtualized, each virtual CPU inside a VM can represent a portion of a CPU or a whole CPU on the physical system. • Differentiated CPU controls: You can give differentiated access to the physical CPUs to specific VMs. You will be able to define specific CPU entitlements for each VM. For example, you can assign a four-CPU VM 50% of four physical CPUs, another VM can get 25%, and a third 25%. • I/O device sharing: Integrity VM provides fully virtualized I/O, which means multiple virtual SCSI cards can represent a single physical SCSI or fibre channel card.
With the PA-8800, PA-8900, or Montecito processors, you can run two CPUs in each socket, allowing a fully loaded system to support 128 CPUs. Single-Cabinet sx1000-Based Superdome Architecture There is one significant difference between a dual-cabinet and a single-cabinet Superdome. The single-cabinet sx1000-based Superdome architecture is shown in Figure 2-5. Figure 2-5. Single-Cabinet Superdome Component Architecture Based on the sx1000 Chipset 32 33 As you can see from this diagram, the crossover cable that connects the two cabinets in a dual-cabinet configuration can be looped back to double the number of crossbar links between the two crossbars in the single cabinet configuration.