190 6 Managing, Administering, and Maintaining a Hyper-V Host Server FIGURE The Event Viewer filter. Some warnings and errors are normal because of bandwidth constraints or other environmental issues. The more you monitor the logs, the more familiar you will become with the messages and, therefore, the more likely you will be able to spot a problem before it affects the user community. TIP You might need to increase the size of the log files in Event Viewer to accommodate an increase in logging activity. The default log sizes are larger in Windows 2008 than in earlier versions of Windows, which were notorious for running. | 190 6 Managing Administering and Maintaining a Hyper-V Host Server FIGURE The Event Viewer filter. Some warnings and errors are normal because of bandwidth constraints or other environmental issues. The more you monitor the logs the more familiar you will become with the messages and therefore the more likely you will be able to spot a problem before it affects the user community. TIP You might need to increase the size of the log files in Event Viewer to accommodate an increase in logging activity. The default log sizes are larger in Windows 2008 than in earlier versions of Windows which were notorious for running out of space. Weekly Maintenance Maintenance procedures that require slightly less attention than daily checking are categorized in a weekly routine and are examined in the following sections. Checking Disk Space Disk space is a precious commodity. Although the disk capacity of a Windows 2008 system can be nearly endless the amount of free space on all drives should be checked at least weekly if not more frequently. Whereas a single server may grow disk space demands at a steady pace with several virtual guest sessions running on a Hyper-V host server the use of disk space can occur exponentially. Serious problems can occur if there isn t enough disk space so checking both guest session available disk space and the host server system Download at Maintaining Windows Server 2008 Hyper-V Systems 191 will ensure an image or server won t unexpectedly run out of disk space to cache files queue up messages or buffer database growth required by the system. One of the most common disk space problems occurs on data drives where end users save and modify information. Other volumes such as the system drive and partitions with logging data can also quickly fill up. As mentioned earlier lack of free disk space can cause a multitude of problems including the following Application failures System crashes Unsuccessful backup jobs Service failures .
