NOTE: PCI Error Recovery is not supported on all platforms. To determine if PCI Error Recovery
is supported on your system, see the PCI Error Recovery Support Matrix at http://www.hp.com/
go/hpux-iocards-docs.
With the PCI Error Recovery feature enabled, if an error occurs on a PCI bus containing an I/O
card that supports PCI Error Recovery, the following events occur:
• The PCI bus is quarantined to isolate the system from I/O and to prevent the error from
damaging the system.
• The PCI Error Recovery feature attempts to recover from the error and reinitialize the bus so
I/O can resume.
If the PCI Error Recovery feature is disabled and an error occurs on a PCI bus, a Machine Check
Abort (MCA) or a High Priority Machine Check (HPMC) occurs, the system crashes.
For more information about PCI Error Recovery, see the documents in the PCI Error Recovery section
at http://www.hp.com/go/hpux-iocards-docs.
The sautil command
This section focuses on sautil command options that are used for online troubleshooting of the
HP Smart Array Controller.
Before troubleshooting with the sautil command, run STM. The STM diagnostic information
augments the information provided by the sautil command. See “HP Support Tools Manager”
(page 59).
To run the sautil command, you must log in as a superuser.
To display the sautil help screen with command options and syntax, enter the sautil command
without any options. For example:
60 Troubleshooting
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