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Sun Fire V445 Server Administration Guide - SCN Research

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CHAPTER 5<br />

Managing RAS Features and System<br />

Firmware<br />

This chapter describes how to manage reliability, availability, and serviceability<br />

(RAS) features and system firmware, including <strong>Sun</strong> Advanced Lights Out Manager<br />

(ALOM) system controller, automatic system restoration (ASR), and the hardware<br />

watchdog mechanism. In addition, this chapter describes how to unconfigure and<br />

reconfigure a device manually, and introduces multipathing software.<br />

This chapter contains the following sections:<br />

■ “About Reliability, Availability, and Serviceability Features” on page 92<br />

■ “About the ALOM System Controller Command Prompt” on page 97<br />

■ “Logging In to the ALOM System Controller” on page 98<br />

■ “About the scadm Utility” on page 100<br />

■ “Viewing Environmental Information” on page 101<br />

■ “Controlling the Locator Indicator” on page 102<br />

■ “About Performing OpenBoot Emergency Procedures” on page 103<br />

■ “About Automatic System Restoration” on page 105<br />

■ “Unconfiguring a Device Manually” on page 106<br />

■ “Reconfiguring a Device Manually” on page 108<br />

■ “Enabling the Hardware Watchdog Mechanism and Its Options” on page 108<br />

■ “About Multipathing Software” on page 109<br />

Note – This chapter does not cover detailed troubleshooting and diagnostic<br />

procedures. For information about fault isolation and diagnostic procedures, see<br />

Chapter 8 and Chapter 9.<br />

91

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