HP SureStore E Disk Array XP512/XP48 Owner's Guide

The HP SureStore E Disk Array XP Family of Optional Software
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High Availability
High availability is enabled by using the optional Business Copy XP
software.
HP SureStore E Business Copy XP
Business Copy XP allows you to enable multiple mirroring capabilities to
create a total of 10 images, including the original. Use Business Copy for
nonproduction activities such as backup, batching, and system testing.