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diag0(7)

Series 800 Only
HP-UX 11i Version 3: February 2007
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NAME

diag0 — diagnostic interface to HP-PB I/O subsystem

DESCRIPTION

diag0 is a diagnostic pseudo-driver, which provides HP support tools with access to the HP-PB I/O subsystem. This driver is used by hardware monitors and tools within the Support Tools Manager (STM), to interact with peripherals connected to the system via HP-PB. The I/O drivers also send diagnostic events to diag0 for diagnostic logging by the Support Tools Manager.

Without diag0, information that could help prevent a peripheral failure will be lost. In addition, if a failure occurs, HP will not have the tools or data to diagnose the cause of the problem in a timely manner. This may cause increased downtime and possible future failures.

AUTHOR

diag0 was developed by HP.

FILES

/stand/vmunix

/dev/diag/diag0

/dev/diag

directory containing diagnostic device files

SEE ALSO

stm(1M) from the Support Tools Manager

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