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Virtualization - Call PBM IT Solutions at (888) 233-6471When a device, connection or application fails, it can take down mission critical operations. Sometimes, one systems failure will cascade to applications on other systems that rely on the data or services from the failed unit. Data centers are the biggest challenges facing IT executives in the coming years. There are 10 key issues for IT managers to keep up with: virtualization; the data deluge; energy and green IT; complex resource tracking; consumerization of IT and social software; unified communications; mobile and wireless; system density; mashups and portals; and cloud computing. Operating a Data Center not only requires a comprehensive skill set, but also a little forethought into the overall industry landscape. Virtualization can be viewed as part of an overall trend in enterprise IT that includes autonomic computing, a scenario in which the IT environment will be able to manage itself based on perceived activity, and utility computing, in which computer processing power is seen as a utility that clients can pay for only as needed. Virtualization can help you shift your IT focus from managing boxes to improving the services you provide to the organization. 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. The Cisco Unified Computing System enables more dynamic and agile data centers, in which server identity (MAC addresses, worldwide names [WWNs], firmware and BIOS revisions, network and storage connectivity profiles and policies, etc.) can be dynamically provisioned or migrated to any physical server within the system. Green IT is making information technology itself more energy efficient, and going beyond that to using IT to reduce the carbon footprint of other operations. Data storage systems are used in a variety of businesses for the purpose of storing and maintaining data which is critical to the operation of the businesses and their customers. It is very important that such data storage systems be highlyreliable to minimize or eliminate the chance of losing data if the system fails. The most secure and reliable systems employ total redundancy, in which every component of the system is replicated, such that, upon a failure of a component, anothercomponent takes over operation, so that the data storage system can remain fully functional. For example, two storage processors may be provided in a system such that if one fails, the other assumes the operation of the failed processor as well asmaintaining its own. However, total redundancy is expensive and can be an inefficient use of system resources. The Nexus 1000V switch is a software switch on a server that delivers Cisco VN-Link services to virtual machines hosted on that server. It takes advantage of the VMware vSphere framework to offer tight integration between server and network environments and help ensure consistent, policy-based network capabilities to all servers in your data center. |
