User Manual

Software and configuration utilities 84
• RAID Memory Mode—Provides protection levels similar to Mirrored Memory Mode, and it requires less
memory allocation than full redundancy.
Array Configuration Utility
ACU is a browser-based utility with the following features:
• Runs as a local application or remote service
• Supports online array capacity expansion, logical drive extension, assignment of online spares, and
RAID or stripe size migration
• Suggests the optimum configuration for an unconfigured system
• Provides different operating modes, enabling faster configuration or greater control over the
configuration options
• Remains available any time that the server is on
• Displays on-screen tips for individual steps of a configuration procedure
• Beginning with ACU version 8.28.13.0, provides diagnostic functionality on the Diagnostics tab
(formerly known as Array Diagnostics Utility).
For optimum performance, the minimum display settings are 1024 × 768 resolution and 16-bit color. Servers
running Microsoft® operating systems require one of the following supported browsers:
• Internet Explorer 6.0 or later
• Mozilla Firefox 2.0 or later
For Linux servers, see the README.TXT file for additional browser and support information.
For more information, see the Configuring Arrays on HP Smart Array Controllers Reference Guide on the
Documentation CD or the HP website (http://www.hp.com).
Option ROM Configuration for Arrays
Before installing an operating system, you can use the ORCA utility to create the first logical drive, assign
RAID levels, and establish online spare configurations.
The utility also provides support for the following functions:
• Reconfiguring one or more logical drives
• Viewing the current logical drive configuration
• Deleting a logical drive configuration
• Setting the controller to be the boot controller
If you do not use the utility, ORCA will default to the standard configuration.
For more information regarding array controller configuration, refer to the controller user guide.
For more information regarding the default configurations that ORCA uses, refer to the HP ROM-Based Setup
Utility User Guide on the Documentation CD.
Re-entering the server serial number and product ID
After you replace the system board, you must re-enter the server blade serial number and the product ID.