TAILIEUCHUNG - Windows Server 2008 Inside Out- P28

Tham khảo tài liệu 'windows server 2008 inside out- p28', công nghệ thông tin, quản trị mạng phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Planning for Hardware Needs 1317 INSIDE OUT Use monitoring to ensure availability A well-run and well-maintained network should have percent availability. There should be less than 1 percent packet loss and packet turnaround of 80 milliseconds or less. To achieve this level of availability and performance the network must be monitored. Any time business systems extend to the Internet or to wide area networks WANs internal network monitoring must be supplemented with outside-in monitoring that checks the availability of the network and business systems. Resources training and documentation are essential to ensuring that you can manage and maintain mission-critical systems. Many organizations cripple the operations team by staffing minimally. Minimally manned teams will have marginal response times and nominal effectiveness. The organization must take the following steps Staff for success to be successful. Conduct training before deploying new technologies. Keep the training up-to-date with what s deployed. Document essential operations procedures. Every change to hardware software and the network must be planned and executed deliberately. To do this you must have established change control procedures and well-documented execution plans. Change control procedures should be designed to ensure that everyone knows what changes have been made. Execution plans should be designed to ensure that everyone knows the exact steps that were or should be performed to make a change. Change logs are a key part of change control. Each piece of physical hardware deployed in the operational environment should have a change log. The change log should be stored in a text document or spreadsheet that is readily accessible to support personnel. The change log should show the following information Who changed the hardware What change was made When the change was made Why the change was made Chapter 38 1318 Chapter 38 Planning for High Availability Establish and Follow Change Control

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