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HP Virtualization Manager and Logical Server Management Version 4.1 Getting Started Guide > Chapter 1 Introduction

Concepts and Terminology

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The Virtualization Manager incorporates a number of HP virtualization technologies and products from a single view, allowing you to view and manage systems and workloads. To make effective use of the Virtualization Manager, you need to become familiar with the following terms and concepts.

Application 

A logically related set of processes active on a system (a running application) and/or a logically related set of files on a machine disk (an installed application).


Application Discovery 

The process of finding applications and gathering performance data about them for display and use in a managed environment.


Callout Icons 

Graphical icons that display in the right-hand corner of compartments or subcompartments. Information callout icons show the system or workload attributes. Meter callout icons show expanded information about the utilization meters that appear to the left of the icon. The utilization meters display the recent utilization metrics for CPU, memory, disk, and LAN.


Cluster 

Two or more systems configured together to host workloads, in a way that users are unaware that more than one system is hosting the workload. A Serviceguard cluster is a specific type of cluster managed by Serviceguard software.


CMS 

Central Management Server. The system in a management domain that executes the HP Systems Insight Manager (SIM) software. All central operations within HP SIM are initiated from this system.


Compartment 

A graphical representation of systems and workloads by the Virtualization Manager software. From the Visualization tab, a hierarchical view presents systems (such as an nPartition, virtual partition, virtual machine, virtual connect domain, and so on) and their children as a self-contained unit. Each type of system is represented by a compartment color so that you can identfiy common elements. You can select the entire compartment or individual members within a compartment, then use the Virtualization Manager drop-down menu items and toolbar.


Complex 

One or more hardware cabinets that are cabled together and that contain cells (circuit boards containing processors and memory), each of which can be assigned for exclusive use by an nPartition.


Expand and Collapse feature 

Icons on the Virtualization Manager toolbar and in compartments that allow you to expand or collapse subcompartments and/or detailed information, thus tailoring your display to meet your needs.


Focus feature 

A compartment icon that allows you to focus the view on a single compartment, at any level of the compartment hierarchy.


Hover text 

Descriptive text that displays for a GUI element when you hover the cursor over that element. For example, hovering over the Show Workloads button on the Virtualization Manager toolbar describes what it does. Hovering over compartment expansion button in a collapsed compartment tells how many subcompartments are in the compartment hierarchy.


Insight Orchestration 

HP Insight Orchestration. A utility for integrating logical server planning, design, and provisioning into a unified system.


Insight Power Manager (IPM) 

HP Insight Power Manager. An integrated power monitoring and management application that provides centralized control of server power consumption and thermal output at the level of the data center.


Insight Recovery 

An application for configuring primary and recovery sites and storage recovery groups for logical servers.


Instant Capacity 

HP Instant Capacity. The HP Utility Pricing Solutions product that allows you to purchase and install additional processing power through the use of a two-step purchase model.


Logical server 

A set of configuration information that you create, activate, and move across physical and virtual machines. It contains the logical server definition and description, including the server compute resources (for example, number of CPU cores and amount of memory), and the server connections to storage fabric and networks. This feature allows you to populate an enclosure, load balance servers, and evacuate servers for routine maintenance or in case of disaster; it allows you to provision resources only when needed and increase utilization of limited compute resources.


Managed system 

A server or other system that can be managed by HP SIM from a CMS.


Management domain 

A CMS and its managed systems.


nPartition 

A hardware partition in a complex. Each nPartition operates independently of other nPartitions and either runs a single instance of an operating system or is further divided into virtual partitions. An nPartition can be used as a compartment managed by gWLM.


Pagination 

In the Workload View, when the number of workloads displayed exceeds the per-page limit, pagination allows you to navigate to the next page to continue viewing workloads.


Perspective 

The Perspective drop-down menu on the Virtualization Manager allows you to select different ways of visualizing your enterprise. The default view is the Physical and Virtual view, which shows all physical and virtual servers and the greatest number of nodes. You can select alternate views for logical servers, server blades, Virtual Machines, ServiceGuard clusters, or show systems and events


Policy  

A collection of rules and settings that control workload resources. For example, a policy can indicate the minimum and maximum amount of processor resources allowed for a workload and a target to be achieved. A single policy can be associated with multiple workloads.


Shared Resource Domain (SRD) 

Shared resource domain. A collection of compartments that share system resources. The compartments can be nPartitions, virtual partitions, virtual machines, psets, or FSS groups. SRDs are managed from the SRD tab in the Virtualization Manager.


Technology Icons 

Graphical icons displayed in Virtualization View compartment or subcompartment, allowing you to launch applications, view profiles, or go to management screens for a given technology. Icons represent the following technologies: Application Discovery, HP Instant Capacity groups (GiCAP), gWLM Shared Resource Domains (SRD), HP BladeSystem Integrated Manager, HP Insight Orchestration. HP Insight Power Manage (IPM), Insight Recovery, HP Instant Capacity (iCAP), HP Onboard Administrator (OA), HP Integrated Lights-Out (iLO) 2, HP iLO Remote Console, HP SIM System page, Logical Servers, Partition Manager, Process Resource manager (PRM), Serviceguard (SG) Manager, Virtual Connect Enterprise Manager (VCEM), Virtual Machine, Virtual Machine host, Virtual Machine Manager –VM Guest Remote Console, Virtual Partition (vPar), and Workload.


User Preferences 

Application-specific user preferences that you can modify to tailor Virtualization Manager to meet your needs. For example, you can set the display to always show the maximum number of compartments with full details. Also, you can define the default collection to display certain systems by default on the Visualization tab each time you access the Virtualization Manager.


Utilization metrics 

Virtualization Manager displays real-time utilization metrics from the managed systems. In a compartment, meters depict utilization metrics for CPU, memory, disk, and LAN obtained from the Virual Machine Management (VMM) for ESX and Microsoft virtual machines hosts and guests, or from the Utilization Provider for all other types, You can see additional information by clicking on the Meter callout to the right of the meters.


Virtual Connect (VC) 

HP Virtual Connect; a set of interconnect modules and embedded software for HP BladeSystem c-Class enclosures that simplifies the setup and administration of server connections, thereby enabling administrators to add, replace, and recover server resources dynamically.


Virtual Connect domain 

A logical grouping of servers, visible by expanding a VC domain compartment from the Virtualization Manager's Visualization View, Blades perspective. Currently, only HP BladeSystem c-Class servers appear in a VC domain. VC domains can be collected in a group, and similiarly expanded from the Virtualization Manager.


Virtual Connect domain group 

A logical collection of VC domains with the same network and storage configuration. A VC domain group can be expanded from the Virtualization Manager's Visualization View, Blades perspective.


Virtual machine 

A software entity provided by HP Integrity Virtual Machines, VMware ESX, or Microsoft Virtual Server. This technology allows a single server or (with Integrity Virtual machines) nPartition to act as a VM Host for multiple individual virtual machines, each running its own instance of an operating system (referred to as a guest OS). Virtual machines are managed systems in the HP Virtual Server Environment (VSE).


Virtual partition 

A software partition of a server, or of a single nPartition, provided by HP vPars. Each virtual partition can run its own instance of an operating system. A virtual partition cannot span an nPartition boundary.


Visualization View 

The view presented by clicking the Virtualization Manager's Visualization tab. By default, the view “perspective” is set for physical and logical systems. Alternately, you can change the view to show logical servers, server blades, virtual machines, Serviceguard, or systems and events.


Workload 

A basic unit of manageability in Virtualization Manager. A workload is a set of processes whose real-time resource utilization can be monitored by Virtualization Manager and collected by Capacity Advisor. Workloads assigned to a Shared Resource Domain (SRD) can be managed according to a policy by Global Workload Manager (gWLM). Workloads are graphically displayed from the Virtualization Manager's Visualization View and Workload view. Workload types include: managed workloads that are managed by Global Workload Manager (gWLM) and monitored workloads that are not managed by gWLM and do not have a policy associated with them but can be monitored by Virtualization Manager. Whole-OS workloads include a set of all processes running on a system (server, nPartition, virtual partition, or virtual machine). Whole-OS workloads are not displayed as workloads in the Visualization View but are represented by the compartment box for the system. Serviceguard workloads are monitored workloads associated with a Serviceguard cluster and a particular package within the cluster.


Workload view 

The view presented by clicking the Virtualization Manager's Workload tab.


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