HP StorageWorks 8/80 HP StorageWorks 8Gb SAN Switch hardware reference manual - Page 54

Interpreting POST results, Maintaining the 8Gb SAN Switch, Installing an SFP

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Interpreting POST results POST is a system check that is performed each time the switch is powered on, rebooted, or reset, and during which the LEDs flash different colors. To determine if POST completed successfully and whether any errors were detected: • Verify that the LEDs on the switch indicate that all components are healthy. (LED patterns are described in Table 10 and Table 11). If one or more LEDs do not display a healthy state: • Verify that the LEDs are not set to "beacon" (this can be determined through the switchShow command or Web Tools). For information about how to turn beaconing on and off, see the HP StorageWorks Fabric OS administrator guide or the Web Tools administrator's guide. • Follow the recommended action for the observed LED behavior, as listed in Table 10 and Table 11. • Verify that the diagShow command displays that the diagnostic status for all ports in the switch is OK. • Review the system log for errors. Errors detected during POST are written to the system log, which is viewed using the errShow command. For more information about this command, see the Fabric OS command reference manual. For information about specific error messages, see the Fabric OS message reference manual. Maintaining the 8Gb SAN Switch The 8Gb SAN Switch is designed for high availability and low failure; it does not require any regular physical maintenance. It includes diagnostic tests and field-replaceable units for the 8/40 and 8/80 SAN Switches, described in the following sections. Installing an SFP The 8Gb SAN Switch supports only HP-branded SFPs. See "Supported SFP transceiver options" on page 21, for ordering information. If you use an unqualified SFP, the switchShow command output will show the port in an Mod_Inv state. Additionally, the firmware will also log the issue in the system error log. To install an SFP: 1. Verify that the bail (wire handle) is in the unlocked position (see Figure 24). 2. Place the SFP in the correctly oriented position on the port. NOTE: Each SFP has a gold-plated PCB-edge connector on the bottom. The correct position to insert an SFP into the upper row of ports is with the gold edge down. The correct position to insert an SFP into the lower row of ports is with the gold edge up. 3. Slide the SFP into the port until you feel it click into place; then close the bail. 54 Operating the 8Gb SAN Switch

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Interpreting POST results
POST is a system check that is performed each time the switch is powered on, rebooted, or reset, and
during which the LEDs
fl
ash different colors.
To determine if POST completed successfully and whether any errors were detected:
•
Verify that the LEDs on the switch indicate that all components are healthy. (LED patterns are
described in
Table 10
and
Table 11
). If one or more LEDs do not display a healthy state:
•
Verify that the LEDs are not set to “beacon” (this can be determined through the
switchShow
command or Web Tools). For information about how to turn beaconing on and off, see the
HP
StorageWorks Fabric OS administrator guide
or the
Web Tools administrator’s guide
.
•
Follow the recommended action for the observed LED behavior, as listed in
Table 10
and
Table 11
.
•
Verify that the
diagShow
command displays that the diagnostic status for all ports in the switch
is OK.
•
Review the system log for errors. Errors detected during POST are written to the system log,
which is viewed using the
errShow
command. For more information about this command,
see the
Fabric OS command reference manual
. For information about speci
fi
c error messages,
see the
Fabric OS message reference manual
.
Maintaining the 8Gb SAN Switch
The 8Gb SAN Switch is designed for high availability and low failure; it does not require any regular
physical maintenance. It includes diagnostic tests and
fi
eld-replaceable units for the 8/40 and 8/80
SAN Switches, described in the following sections.
Installing an SFP
The 8Gb SAN Switch supports only HP-branded SFPs. See “
Supported SFP transceiver options
” on page 21,
for ordering information.
If you use an unquali
fi
ed SFP, the
switchShow
command output will show the port in an
Mod_Inv
state. Additionally, the
fi
rmware will also log the issue in the system error log.
To install an SFP:
1.
Verify that the bail (wire handle) is in the unlocked position (see
Figure 24
).
2.
Place the SFP in the correctly oriented position on the port.
NOTE:
Each SFP has a gold-plated PCB-edge connector on the bottom. The correct position to
insert an SFP into the upper row of ports is with the gold edge down. The correct position
to insert an SFP into the lower row of ports is with the gold edge up.
3.
Slide the SFP into the port until you feel it click into place; then close the bail.
54
Operating the 8Gb SAN Switch