TAILIEUCHUNG - SQL Server 2008 Hyber V Unleashed - p 45

420 13 Debugging and Problem Solving the Hyper-V Host and Guest Operating System Memory resources can be saved if the Write Debugging Information To option is set to (None). The memory that would be saved depends on the server; the drivers that enable these features require about 60 to 70KB. Windows Memory Diagnostics Tool Many troubleshooting scenarios revolve around memory-related issues associated with a system. Typical memory issues can involve an errant application, a specific process consuming too much memory, or failing hardware such as bad RAM or the memory system on the motherboard. Thankfully, Windows 2008 has introduced a new tool for diagnosing problems. | 420 13 Debugging and Problem Solving the Hyper-V Host and Guest Operating System Memory resources can be saved if the Write Debugging Information To option is set to None . The memory that would be saved depends on the server the drivers that enable these features require about 60 to 70KB. Windows Memory Diagnostics Tool Many troubleshooting scenarios revolve around memory-related issues associated with a system. Typical memory issues can involve an errant application a specific process consuming too much memory or failing hardware such as bad RAM or the memory system on the motherboard. Thankfully Windows 2008 has introduced a new tool for diagnosing problems associated with system memory. By using Windows Memory Diagnostics tool an administrator has another way to isolate root issues when a server is performing poorly or subject to crashes or other when other abnormal behavior not caused by issues with the OS or installed applications occurs. The Windows Memory Diagnostics tool can be launched as follows 1. First save all work and close down open applications and utilities. 2. To invoke the tool select Start All Programs Administrative Tools Windows Memory Diagnostics Tool or enter MdSched at a command prompt. 3. Select whether you want to Restart Now and Check for Problems or Check for Problems the Next Time I Start My Computer as displayed in Figure . FIGURE The options associated with running the Windows Memory Diagnostics tool. 4. When the system is rebooted the Diagnostics tool automatically launches and conducts a Basic test by using default settings. Additional Test Mix options Cache options and Pass Count can be selected by pressing F1. The Test Mix options consist of Basic Standard and Extended whereas the Cache option includes Default On or Off. In addition set the Pass Count value. The value represents the number of times the entire test mix will be repeated. Note a value of 0 represents infinitely. Press F10 to apply the settings and start

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