in a heterogeneous environment. By using industry standards, IBM Flex
System Manager management software supports multiple operating systems
and virtualization technologies. For more information, see the "IBM Flex
System Manager Software: Installation and Service Guide" at
http://ralfss21.raleigh.ibm.com:8099/help/topic/com.ibm.acc.8731.doc/
product_page.html.
Reliability, availability, and serviceability features
Three of the most important features in compute node design are reliability,
availability, and serviceability (RAS). These RAS features help to ensure the
integrity of the data that is stored in the compute node, the availability of the
compute node when you need it, and the ease with which you can diagnose and
correct problems.
The compute node has the following RAS features:
v
24-hour support center
v
Advanced Configuration and Power Interface (ACPI)
v
Automatic server restart (ASR)
v
Built-in diagnostics using DSA Preboot
v
Built in monitoring for temperature, voltage, and hard disk drives
v
Customer support center 24 hours per day, 7 days a week
1
v
Customer upgrade of flash ROM-resident code and diagnostics
v
Customer-upgradeable Unified Extensible Firmware Interface (UEFI) code and
diagnostics
v
ECC protected DDR3 DIMMs
v
ECC protection on the L2 cache
v
Error codes and messages
v
Integrated management module II (IMM2) that communicates with the Chassis
Management Module to enable remote systems management
v
Light path diagnostics
v
Memory mirroring mode support
v
Microprocessor built-in self-test (BIST) during power-on self-test (POST)
v
Microprocessor Intel QuickPath Interconnect bus and CRC checking
v
Microprocessor serial number access
v
PCI bus even parity checking
v
POST
v
Power policy
v
Processor presence detection
v
Rank-sparing mode support
v
ROM-resident diagnostics
v
System-error logging
v
Vital product data (VPD) on memory
v
Wake on LAN capability
v
Wake on PCI (PCIe Expansion Node) capability
Major components of the compute node
Use this information to locate the major components on the compute node. The
major components of the compute node include field replaceable units (FRUs),
customer replaceable units (CRUs), and optional devices.
The following illustration shows the major components of the compute node.
1. Service availability varies by country. Response time varies depending on the number and nature of incoming calls.
Chapter 1. Introduction
9
Summary of Contents for Flex System x440 Compute Node
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