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VMware VirtualCenter 1.0 Support Documentation


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Introducing VMware VirtualCenter

VMware VirtualCenter is a system management application that deploys, monitors, and manages virtual machines that are distributed across multiple hosts running ESX Server. The VirtualCenter client provides a means, through any personal computer running a Microsoft Windows operating system, to monitor and manage all your virtual machines, their associated VMware hosts and the host's resources.

The VirtualCenter management server collects and stores persistent data in a dedicated database that contains per-system and environmental information. The VirtualCenter management server automatically executes user-specified scheduled tasks, such as powering on, or moving powered-off virtual machines. VirtualCenter with VMotion moves a virtual machine from one host to another, while the virtual machine continues operation. This form of migration with VMotion, occurs without service interruption on the virtual machine.

VirtualCenter is virtual infrastructure management software that centrally manages an enterprise's virtual machines as a single, logical pool of resources. VirtualCenter provides the central point of control for workload management, provisioning and availability. It simplifies IT so companies leverage their storage, network, and computing resources to control costs and respond faster to changing business demands.

VMware VirtualCenter exploits the benefits of a virtual infrastructure. With VirtualCenter, an administrator can manage thousands of Windows NT, Windows 2000, Windows Server 2003, Linux and Netware servers from a single point of control. The VirtualCenter interface provides a powerful overview of all the virtual resources in a data center. From the VirtualCenter interface, administrators can perform:

  • Continuous Workload Consolidation — Monitor and optimize the utilization of data center resources to minimize unused capacity while maintaining application service levels, by adjusting the resources dedicated to each software service.
  • Instant Provisioning — Reduce server-provisioning time from weeks to tens of seconds, allowing administrators to respond immediately to requests for IT services. Using server templates, administrators can ensure that new servers are fully consistent with current build and security policies.
  • Zero-Downtime Maintenance — Safeguard business continuity 24/7, with no service interruptions for hardware maintenance, deployment, or migration. Use VMotion to move running operating systems and their applications off a system that needs maintenance, and then transfer them back when maintenance completes.

This chapter contains the following topics:

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