HP Integrity rx2800 rx2800 i2 User Service Guide - Page 95

Troubleshooting the system console, Troubleshooting tips, Troubleshooting the server environment

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3. Choose the appropriate firmware package from the choices available on the HP Support Center web page at http://www.hp.com/go/bizsupport. If a new version of the firmware is available, download it and save it to CD, or copy it over the network to the system you are updating. Troubleshooting the system console All system console connections (VGA, USB, local RS-232 and iLO 3 MP LAN) are located on the rear panel of the server. HP-UX uses the RS-232 serial text connection to a terminal or terminal emulator software to control server operations locally. HP-UX alternatively uses the iLO 3 LAN connection over a network to control server operations locally through telnet or Secure Shell, and remotely over a network through web GUI. The Windows operating systems uses the VGA (monitor) and USB (keyboard and mouse) connections to control server operations locally. Troubleshooting tips RS-232 connection: If a dumb terminal / PC running terminal emulation software is attached to the iLO 3 MP "local" port and does not respond to a Ctrl-B-enter key sequence (and the terminal is running 9600 baud, 8 data bits, is ONLINE, etc.) then it is possible that the iLO 3 MP is not operational / functional. See "Troubleshooting the iLO 3 MP subsystem" (page 92) for the following LED locations: • The iLO 3 MP heartbeat LED • The BMC heartbeat LED Replace system board CRU if both heartbeat LEDs are not flashing green; suspect bulk power supplies, or I/O backplane CRU if both heartbeat LEDs are off. LAN connection: See "Troubleshooting the I/O subsystem " (page 92) for iLO 3 MP LAN LED states. Troubleshooting the server environment Ambient intake air temperature is often different from ambient room temperature; you should measure the operating temperature and humidity directly in front of the cabinet cooling air intakes, rather than measure only ambient room conditions. Within the server, temperature sensors report server temperature to the iLO, which controls fan speed, based on this information. Temperature sensors are found on: • Display panel, where a thermal sensor detects the ambient room temperature. This sensor reading is the main parameter used to regulate fan speed, under normal conditions. Section provides environmental specifications for the server: Reporting your problems to HP HP customer care will help you solve server problems and, if necessary, initiate appropriate service procedures. Support is available on the web and by phone. For information on contacting the HP IT Resource Center (ITRC) near you, go to: http://www.itrc.hp.com. Troubleshooting the system console 95

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3.
Choose the appropriate firmware package from the choices available on the HP Support
Center web page at
. If a new version of the
firmware is available, download it and save it to CD, or copy it over the network to the system
you are updating.
Troubleshooting the system console
All system console connections (VGA, USB, local RS-232 and iLO 3 MP LAN) are located on the
rear panel of the server.
HP-UX uses the RS-232 serial text connection to a terminal or terminal emulator software to control
server operations locally.
HP-UX alternatively uses the iLO 3 LAN connection over a network to control server operations
locally through telnet or Secure Shell, and remotely over a network through web GUI.
The Windows operating systems uses the VGA (monitor) and USB (keyboard and mouse) connections
to control server operations locally.
Troubleshooting tips
RS-232 connection:
If a dumb terminal / PC running terminal emulation software is attached to the
iLO 3 MP “local” port and does not respond to a
Ctrl-B-enter
key sequence (and the terminal is
running 9600 baud, 8 data bits, is ONLINE, etc.) then it is possible that the iLO 3 MP is not
operational / functional. See
“Troubleshooting the iLO 3 MP subsystem” (page 92)
for the following
LED locations:
•
The iLO 3 MP heartbeat LED
•
The BMC heartbeat LED
Replace system board CRU if both heartbeat LEDs are not flashing green; suspect bulk power
supplies, or I/O backplane CRU if both heartbeat LEDs are off.
LAN connection:
See
“Troubleshooting the I/O subsystem ” (page 92)
for iLO 3 MP LAN LED states.
Troubleshooting the server environment
Ambient intake air temperature is often different from ambient room temperature; you should
measure the operating temperature and humidity directly in front of the cabinet cooling air intakes,
rather than measure only ambient room conditions.
Within the server, temperature sensors report server temperature to the iLO, which controls fan
speed, based on this information.
Temperature sensors are found on:
•
Display panel, where a thermal sensor detects the ambient room temperature. This sensor
reading is the main parameter used to regulate fan speed, under normal conditions.
Section
provides environmental specifications for the server:
Reporting your problems to HP
HP customer care will help you solve server problems and, if necessary, initiate appropriate service
procedures.
Support is available on the web and by phone.
For information on contacting the HP IT Resource Center (ITRC) near you, go to:
h
t
tp://w
w
w
.itr
c
.hp
.co
m
.
Troubleshooting the system console
95