![]() For existing systems, changes in usage (such as a group of video users that have changed to high-definition files) should cause you to reevaluate the setup to make sure that the system is still adequately meeting needs.Ĭhapter 1, “Planning Systems,” defines utilization as the ratio of usage to capacity. ![]() This information is critical to know for new systems to ensure that they run with the best performance. It’s important to monitor utilization after a new system has been set up, or if an existing system has been serving users for a while. This evaluation enables you to plan and implement changes to an existing infrastructure that minimize interruption to the system’s operation and maximize the user’s productivity. ![]() This chapter discusses the tools and knowledge required to effectively evaluate several key aspects of an existing infrastructure, including current utilization of bandwidth, services, hardware, and storage. Successful systems administration relies on clearly and thoroughly understanding how a system uses its resources-its current hardware and software components-and understanding their interaction with, and dependencies upon, user workflows and running services. Apple Training Series: Mac OS X Advanced System Administration v10.5 ![]()
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