Compaq ProLiant 1200 ProLiant Server Troubleshooting Guide - Page 130
Health Driver, The Health Driver continually resets the Automatic Server Recovery-2 ASR-2
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Error Recovery Health Driver The Health Driver continually resets the Automatic Server Recovery-2 (ASR-2) timer according to the frequency specified in the server setup utility (for example, ten minutes). If the ASR-2 timer counts down to zero before being reset, indicating an operating system or a server lockup, ASR-2 restarts the server into either Diagnostics or the operating system (as indicated by the system configuration parameters). The default value is ten minutes, and the allowable settings are 5, 10, 20, and 30 minutes. For remote and offsite (unattended) servers, setting the software error recovery time-out for five minutes reduces the server downtime and allows the server to recover quickly. For local (attended) servers, you can set the software error recovery time-out for 20 or 30 minutes, giving you time to arrive at the server if you wish to diagnose the problem manually. The Health Driver is independent of the ASR-2 timer; loading it enables the ASR-2 timer, allowing the driver to detect and log information about numerous hardware and software errors in the Integrated Management Log (IML) if an error occurs. However, you cannot enable the ASR-2 timer without loading the Health Driver. Before ASR-2 restarts the server, it records any information available about the condition of the operating system in the IML. This information can be used to diagnose an operating system or server lockup, while still allowing the server to be restarted. For additional information about the ASR-2 flow of events, refer to your server maintenance and service guide on the on the following website: www.compaq.com/support/servers Select your server to display the reference library. HP Servers Troubleshooting Guide 5-9