HP StorageWorks 2/16 HP StorageWorks SAN Switch 2/16 V3.1.2 (AA-RR84D-TE, May - Page 38

Power-On Self Test, Checking POST Results

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Installing the SAN Switch 2/16 Power-On Self Test Each time the switch is powered on, rebooted, or reset, the switch automatically runs a Power-On Self Test (POST). During POST the port status LEDs flash, verifying that the switch is operating properly. POST completes in approximately six minutes, with total boot time approximately seven minutes. POST runs through the following test cycles: ■ Preliminary POST diagnostics ■ Initialization of operating system ■ Initialization of hardware ■ Diagnostic tests on circuitry, port functionality, memory, parity, statistics counters, and serialization For example, if the switch prompt does not display when POST completes, POST was unsuccessful. Contact your authorized HP switch supplier for more information. To determine whether POST completed without errors, verify that all LEDs return to a normal state after POST is complete. If one or more LEDs do not return to a normal state, (and this is not due to the switch being set to beacon), see "Interpreting LED Activity" on page 54 in Chapter 3. Note: For more information about beaconing, refer to the HP StorageWorks Fabric OS Version 3.1.x/4.1x Procedures User Guide. Checking POST Results Check the success/fail results of the diagnostic tests run during POST via LED activity, the error log, or Command Line Interface (CLI) using the errShow command. For more information about error messages, refer to the HP StorageWorks Fabric OS Version 3.1.x/4.1.x Reference Guide. 38 SAN Switch 2/16 Version 3.1.2 Installation Guide

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Installing the SAN Switch 2/16
38
SAN Switch 2/16 Version 3.1.2 Installation Guide
Power-On Self Test
Each time the switch is powered on, rebooted, or reset, the switch automatically
runs a Power-On Self Test (POST). During POST the port status LEDs flash,
verifying that the switch is operating properly. POST completes in approximately
six minutes, with total boot time approximately seven minutes.
POST runs through the following test cycles:
■
Preliminary POST diagnostics
■
Initialization of operating system
■
Initialization of hardware
■
Diagnostic tests on circuitry, port functionality, memory, parity, statistics
counters, and serialization
For example, if the switch prompt does not display when POST completes, POST
was unsuccessful. Contact your authorized HP switch supplier for more
information.
To determine whether POST completed without errors, verify that all LEDs return
to a normal state after POST is complete. If one or more LEDs do not return to a
normal state, (and this is not due to the switch being set to beacon), see
“
Interpreting LED Activity
” on page 54 in Chapter 3.
Note:
For more information about beaconing, refer to the
HP StorageWorks Fabric
OS Version 3.1.x/4.1x Procedures User Guide
.
Checking POST Results
Check the success/fail results of the diagnostic tests run during POST via LED
activity, the error log, or Command Line Interface (CLI) using the
errShow
command. For more information about error messages, refer to the
HP StorageWorks Fabric OS Version 3.1.x/4.1.x Reference Guide
.