TAILIEUCHUNG - Networking: A Beginner’s Guide Fifth Edition- P50

Networking: A Beginner’s Guide Fifth Edition- P50:I have run into many people over the years who have gained good even impressive working knowledge of PCs, operating systems, applications, and common problems and solutions. Many of these people are wizards with desktop computers. | Chapter 16 Installing and Setting Up Windows Server 2008 227 Disk A fast SCSI-based disk subsystem is important particularly for servers that will store a lot of data. See Chapter 13 for more information about choosing SCSI systems using different RAID levels and other important disk information. Use the information in Chapter 13 to help you size your server but remember this rule of thumb Get the most capable server you can afford and make sure it is expandable to meet your future needs through the addition of more RAM more processors and more disk space. Even with all of that it is common for servers to be replaced three to four years from the date they were placed into service. Testing the Server Hardware You found all your server hardware in the Windows Server 2008 HCL you made sure your server is adequately sized you purchased it and you have your shiny new Windows Server 2008 DVD-ROMs sitting there all ready to be installed. Is it time to start the installation yet Well not quite. Before installing any network operating system NOS particularly on a server that will be used for production make sure you carry out hardware testing also called burn-in on the server before installing Windows Server 2008. Computer hardware tends to be most reliable after it has been running for a while. In other words failures tend to happen when equipment is new and the chance of hardware failure decreases rapidly after the hardware has been up and running for 30 to 90 days. Because of this it s a good idea to test new servers for at least a week testing for two weeks is even better before proceeding to install the NOS. Doing this can help provoke any early failures in the equipment during a time when they re easy to fix and they won t affect any users or the network. Moreover many servers have a 30-day return or exchange policy from their manufacturer so if you discover problems you ll have a chance to return the system and perhaps start over with a different model. You test the

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