Interpreting the Operator Control Panel Power-Up Display
Interpreting the Operator Control Panel Power-Up Display
Table 4–7 describes how to interpret messages that may be
displayed on the power-up display located on the operator control
panel on the front of the system (Figure 2–1).
CPU Failover
AlphaServer 2100 multiprocessor systems, with the exception of
the model 4/200, offer high-availability ‘‘failover’’ functionality.
On systems with more than one CPU, the failover feature allows
the system to power up and boot the operating system even if
only one CPU is working.
How Failover Works
When you power up or reset a multiprocessor system, each CPU,
in parallel, runs a set of diagnostic tests. If any tests fail, errors
are logged, and the failing CPU is configured out of the system.
Responsibility for initializing memory and booting the console
firmware is transferred to the next higher working CPU, and the
boot process continues.
Note
The CPU number of the CPU serving as the primary
CPU is displayed in the SRM console prompt; for
example,
P01>>>
.
4–12 Troubleshooting the System
Summary of Contents for AlphaServer 2100
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