CHAPTER 2
Managing RAS Features and System Firmware
This chapter describes how to manage reliability, availability, and serviceability (RAS) features and system firmware, including Advanced Lights Out Manager (ALOM) system controller, and automatic system recovery (ASR). In addition, this chapter describes how to unconfigure and reconfigure a device manually, and introduces multipathing software.
This chapter contains the following sections:
■“ALOM CMT and The System Controller” on page 25
■“Automatic System Recovery” on page 30
■“Unconfiguring and Reconfiguring Devices” on page 35
■“Multipathing Software” on page 37
Note – This chapter does not cover detailed troubleshooting and diagnostic procedures. For information about fault isolation and diagnostic procedures, refer to the diagnostics and troubleshooting guide for your server.
ALOM CMT and The System Controller
The system controller supports a total of nine concurrent ALOM CMT sessions per server, one connection through the serial management port and eight connections available through the network management port.
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