Online Diagnostics

Online Diagnostics are installed with HP-UX 11i v2 to support hardware. The tools, contained in the OnlineDiag bundle, give you a complete solution to verify, troubleshoot, and monitor PA-RISC and Itanium-based system hardware, including CPUs, memory, interface cards, and mass storage and other devices.




	CAUTION: Uninstalling the OnlineDiag bundle prevents products with dependencies on the diagnostics from functioning correctly. Not installing `OnlineDiag` removes protections against hardware failures that diagnostics provide. Without the tools, it is much harder to troubleshoot and fix problems if a hardware failure occurs. To ensure the reliability of your computer system, HP highly recommends installing the `OnlineDiag` bundle with HP-UX 11i v2. With a media install, the OnlineDiag bundle is installed by default with any HP-UX 11i Operating Environment.

The tools in OnlineDiag:

Protect you against some hardware failures, for example, some memory problems.
Include EMS Hardware Monitors that notify you of hardware events that may indicate impending hardware failure.
Maintain logs that can give you critical help in determining the cause of failures.
Enable you to troubleshoot system problems with the system online or offline.

For most computer systems, no special configuration of the diagnostics is necessary.

For complete information, go to the Diagnostics Web site:

http://docs.hp.com/hpux/diag

Online Diagnostics

Technical documentation

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