This manuial documents the High Availability FailOver/iX (HAFO) utilities
for the HP e3000 systems.
Each chapter of this manual is described briefly.
Chapter 1 "Introduction" Contains a brief description
of the HAFO utility concept.
Chapter 2 "Product Description" Describes how a
failover works, including the triggers and a generalized sequence of events
after a failover. Each of the four major components is listed and described.
Chapter 3 "Installation" Explains how the installation
of the HAFO utilities occurs.
Chapter 4 "Configuration" Provides some general
information necessary to determine how best to implement the HAFO and its
hardware requirements. A configuration checklist is provided to help gather the
necessary information needed for HAFO configuration. This chapter documents how
to access the configuration commands. An overview of configuration steps is
provided, along with detailed command descriptions and syntaxes.
Chapter 5 "Monitoring Status" Explains how to generate
and interpret the failover status report. Each possible primary path status is
listed and described. Sample reports are provided.
Chapter 6 "Recovering From a Failover" Describes the
failover state, describes each failover status, and notes general repair
recommendations. Instructions are provided to return the I/O data flow to the
primary data path.
Appendix A "Sample Failover and Recovery" Presents a
sample failover scenario, troubleshooting, and recovery.
Appendix B "Error Messages" Lists HAFO error messages,
their cause, and suggested action.
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