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Featured Solution: Cisco High Availability DataAll the supporting systems in a data center face heavy loads and must be properly maintained to continue operating satisfactorily. These systems include cooling, humidification, air handling, power distribution, backup power generation and much more. Approximately half of the power consumed by a data center is required for cooling. As heat load increases, more floor space must be reserved for cooling equipment. Without high ceilings (20 feet or more), the hot exhaust air of servers is likely to become in-take air for servers mounted in the upper portion of a cabinet. Use server-based energy management software tools to run workloads in the most energy-efficient way. This may include taking advantage of lower energy tariffs at different times. Operating system virtualization is the use of software to allow a piece of hardware to run multiple operating system images at the same time. The usual goal of virtualization is to centralize administrative tasks while improving scalability and work loads. Different virtual machines can run different operating systems and multiple applications while sharing the resources of a single physical computer. And, because each virtual machine is isolated from other virtualized machines, if one crashes, it does not affect the others. There are many ways that users can corrupt or lose information, including inadvertent file deletion, inadvertent file overwrites, new software installs, lost or stolen computers, hardware failures, virus or hacker attacks and natural disasters. Within the Cisco UCS M71KR-E, M71KR-Q, and M81KR adapter types, the Cisco Unified Computing System can enable a fabric failover capability in which loss of connectivity on a path in use will cause remapping of traffic through a redundant path within the Cisco Unified Computing System. In determining the adapter type to use to support the Cisco Nexus 1000V Series, the interface count available to the VMware ESX host is a key factor. Green IT can be defined as research in and use of IT in an efficient and environmentally friendly manner. High availability is a system design protocol and associated implementation that ensures a certain degree of operational continuity during a given measurement period. The Cisco Nexus 1000V provides real-time coordinated configuration of network and security services and maintains a virtual machine-centric management model, enabling the server administrator to increase both efficiency and flexibility. |
