Lenovo 70B4, User Manual And Hardware Maintenance Manual

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Reliability, availability, and serviceability
Reliability, availability, and serviceability (hereinafter referred to as RAS) are three important server design
features. The RAS features help you to ensure the integrity of the data stored on the server, the availability of
the server when you need it, and the ease with which you can diagnose and correct problems.
Your server has the following RAS features:
• Security features
– Server locks (see “Server locks” on page 25)
– Administrator password and user password to help protect unauthorized access to the server (see
“Using passwords” on page 65)
– ThinkServer Trusted Platform Module (TPM), which is a security chip, to help enhance server security
Note: The TPM is only available in some models.
– Remote monitoring or control by an administrator to provide protection or help
– Hot-swap redundant power supplies to help avoid significant interruption to the operation of the
system when a power supply fails (available in some models)
• Basic system management features
– Ability to store the power-on self-test (POST) hardware test results
– BIOS Setup Utility program
The BIOS Setup Utility program helps you view the server information and configure the server in the
pre-operating system environment. See “Using the Setup Utility program” on page 61.
– TMM (also known as BMC), and Intelligent Platform Management Interface (IPMI) 2.0
The system board platform management subsystem is based on the integrated TMM features. The
TMM is a management chip that is integrated on the system board of your server. With the TMM
chip, no matter what condition the server operating system is in and no matter if the server is on or
off, as long as the server is connected to network and an ac power source, the interaction with the
TMM-controlled servers can be achieved through system network. The user can obtain the server
hardware health information and system event log (SEL), and is able to conduct the operations
including turning on or off the server, restarting the server, and so on. This part of server management
is independent of the operating system and is called out-of-band management.
The system board platform management subsystem consists of the integrated TMM, communication
buses, sensors, Basic Input Output System (BIOS), and server management firmware. It is responsible
for error reporting, system power control, thermal monitoring, system fan control, and other
management features. The TMM provides system management and monitoring features based on the
IPMI 2.0 specification. IPMI helps lower the overall costs of server management. You can find more
information about IPMI 2.0 from the Web site of Intel. The TMM also supports some non-IPMI features,
such as the Dynamic Host Configuration Protocol (DHCP) and the Platform Environment Control
Interface (PECI), to provide more system management functions.
You can find the default user name, password, and other information for the TMM in the ThinkServer
Management Module User Guide , which is available for download at:
http://www.lenovo.com/UserManuals
– Hot-swap feature
Some models support hot-swap hard disk drives or hot-swap redundant power supplies. With the
hot-swap feature, you can install, remove, or replace hard disk drives or a failing power supply without
turning off the server.
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ThinkServer TD340 User Guide and Hardware Maintenance Manual