POST and boot specifications
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Operating the DS-5300B
POST and boot specifications
The switch performs POST by default each time it is powered on or
rebooted or the system is reset. Boot time with POST is usually about
1 to 3 minutes.
POST can be skipped after subsequent reboots by entering the
fastBoot command. For more information about this command, see
the EMC Connectrix B Series Fabric OS Command Reference Guide.
POST
The success/fail results of the diagnostic tests that run during POST
can be monitored through LED activity, the error log, or a command
line interface.
POST includes the following tasks:
1. Conducts preliminary POST diagnostics
2. Initializes the operating system
3. Initializes hardware
4. Runs diagnostic tests on several functions, including circuitry,
port functionality, memory, statistics counters, and serialization
Boot
In addition to POST, boot includes the following tasks after POST is
complete:
1. Performs universal port configuration
2. Initializes links
3. Analyzes fabric. If any ports are connected to other switches, the
switch participates in a fabric configuration
4. Obtains a domain ID and assigning port addresses
5. Constructs unicast routing tables
6. Enables normal port operation
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