Lenovo ThinkSystem NE2572 Bedienungsanleitung
Lenovo ThinkSystem NE2572 RackSwitch
ONIE Quick Start Guide
for Lenovo Cloud Network Operating System
Note: Before using this information and the product it supports, read the general information in the
Safety information and Environmental Notices and User Guide documents on the Lenovo Documentation CD,
and the Warranty Information document that comes with the product.
First Edition (September 2017)
© Copyright Lenovo 2017
LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General
Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set
forth in Contract No. GS-35F-05925.
Lenovo and the Lenovo logo are trademarks of Lenovo in the United States, other countries, or both.
© Copyright Lenovo 2017 Contents 3
Contents
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Connecting to the NE2572 . . . . . . . . . . . . . . . . . . . . 6
Switch Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
RJ45 Serial Console Port . . . . . . . . . . . . . . . . . . . . . . . 7
Geographic Layout of the Temperature Sensors . . . . . . . . . . . . . 8
ONIE on the NE2572 . . . . . . . . . . . . . . . . . . . . . . . 11
ONIE Activation . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Installing ONIE. . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Booting in ONIE Mode . . . . . . . . . . . . . . . . . . . . . . . . 19
Booting in ONIE Install Mode. . . . . . . . . . . . . . . . . . . . 19
Booting in ONIE Uninstall Mode . . . . . . . . . . . . . . . . . . 20
Booting in ONIE Update Mode . . . . . . . . . . . . . . . . . . . 21
Booting in ONIE Rescue Mode . . . . . . . . . . . . . . . . . . . 23
The Grub Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
The BIOS Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Uninstalling the Lenovo Network OS . . . . . . . . . . . . . . . . . . 29
Using ONIE without Lenovo Network OS . . . . . . . . . . . . . . . . 30
4 Lenovo ONIE Quick Start Guide for NE2572
© Copyright Lenovo 2017 5
Overview
The Open Network Install Environment (ONIE) is a small Linux-based operating
system that provides an open install environment for network switches without
operating systems.
ONIE enables a network switch ecosystem where end-users can choose among
different Network Operating Systems (NOS). Practically, ONIE boots on a switch,
discovers NOS installer images available on the local network or on a USB drive,
copies the chosen image to the switch, and provides an environment where the
installer can load the NOS onto the switch.
ONIE is classified as free software, meaning it can be redistributed and/or modified
under the terms of version 2 of the GNU General Public License as published by the
Free Software Foundation. To read the license, visit the following link:
https://github.com/opencomputeproject/onie/blob/master/COPYING
For more details about ONIE, go to
onie.org
.
6 Lenovo ONIE Quick Start Guide for NE2572
Connecting to the NE2572
This section describes how to connect to the Lenovo ThinkSystem NE2572
RackSwitch. For more details about the switch and on how to install the switch
hardware, consult the
Lenovo ThinkSystem NE2572 RackSwitch Installation Guide
.
Switch Unit
The NE2572 is a 1U GbE switch and it can be rack-mounted in a horizontal position.
The following illustrations show the features on the front and rear panels of the
switch:
Figure 1. NE2572 front panel
Figure 2. NE2572 management panel detail
Figure 3. NE2572 rear panel
25 GbE SFP28 Ports
Management Panel 100 GbE QSPF28 Ports
RJ45
Management
Port
USB
Port
Reset
Button
Status
LEDs
RJ45
Console Port
© Copyright Lenovo 2017 Connecting to the NE2572 7
RJ45 Serial Console Port
The RJ45 port on the front management panel is available for switch console
management. The port operates using RS-232 serial communications. A compatible
console cable kit is included with the switch.
To connect a computer or terminal to the switch using the included kit, connect one
end of the Category 5 patch cable to the RJ-45 console port of the switch and the
other end of the patch cable to the RJ-45-to-DB9 adapter (see the following
illustration).
Figure 4. Console cable connections
The computer or terminal must run a terminal emulator (for example, SecureCRT,
HyperTerminal, or PuTTY). The console port terminal emulation requirements are
as follows:
• Default baud rate: 115,200 bps
• Character size: 8 characters
• Parity: none
• Stop bits: 1
• Data bits: 8
• Flow control: none
To PC
Terminal
To
Switch
RJ-45 Adapter
Category 5
Patch Cable
8 Lenovo ONIE Quick Start Guide for NE2572
Geographic Layout of the Temperature Sensors
The following table offers information about the CPU board temperature sensor
which is shown in
Figure 5
(pointed out with red).
The following table offers information about the main board temperature sensors
which are shown in
Figure 6
(pointed out with red).
Table 1. NE2572 CPU Board Temperature Sensors Information
Name of Temperature Sensor Sensor Information
U7 - Thermal sensor for CPU I2C @ 1001-111X on Intel CPU SMBus 0
Table 2. NE2572 Main Board Temperature Sensors Information
Name of Temperature Sensor Sensor Information
U2 - Rear of the Card I2C @ 1001-100X on CH3 of PCA9548
Intel CPU SMBus 0
U38 - Hot Spot I2C @ 1001-101X on CH2 of PCA9548
Intel CPU SMBus 0
© Copyright Lenovo 2017 Connecting to the NE2572 9
Figure 5. NE2572 CPU Board Temperature Sensors
10 Lenovo ONIE Quick Start Guide for NE2572
Figure 6. NE2572 Main Board Temperature Sensors
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