Chapter 1. Introducing the IBM xSeries 440
7
Reliability, availability, and serviceability features
Three of the most important features in server design are reliability, availability, and
serviceability (RAS). These RAS features help to ensure the integrity of the data
stored on your server; that your server is available when you want to use it; and that
should a failure occur, you can easily diagnose and repair the failure with minimal
inconvenience.
The following is an abbreviated list of the RAS features that your server supports.
•
Active Memory
•
Active PCI-X (hot-plug) adapter slots
•
Advanced configuration and power interface (ACPI)
•
Advanced Desktop Management Interface (DMI) features
•
Advanced memory ECC, including Memory ProteXion, and multiple Chipkill
™
capability
•
Automatic error retry or recovery
•
Auto-restart initial program load (IPL) power supply
•
Automatic server restart
•
Built-in, menu-driven Configuration/Setup and diagnostic programs
•
Built-in monitoring for fan, power, temperature, voltage, and power-supply
redundancy
•
Customer-upgradable basic input/output system (BIOS) code
•
Diagnostic support of Ethernet controllers
•
Error codes and messages
•
Error correction code (ECC) protection on the L3 and XceL4 cache
•
Failover Ethernet support
•
Front-side buses (FSBs) parity protected
•
Hot-swap cooling with fan speed-sensing capability
•
Hot-swap hard disk drives
•
Light Path Diagnostics
•
Memory Mirroring
•
Microsoft Windows Server family failover support
•
Monitoring support for temperature, voltage, and fan speed
•
Parity checking on the SCSI buses
•
Power-on self-test (POST)
•
Processor serial number access
•
Read-only memory (ROM) checksums
•
Redundant hot-swap
— Cooling fans with speed-sensing capability
— Power supplies
•
Remote Supervisor Adapter to enable remote server management
•
SDRAM with serial presence detect (SPD) and vital product data (VPD)
•
Standard cables presence detection
•
Standby voltage for system management features and monitoring
•
System error logging
•
Vital product data (VPD) (includes information stored in nonvolatile memory for
easier remote viewing)
•
Wake on LAN capability
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