IBM 79856au User Guide - Page 22

Reliability, availability, serviceability, features

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Reliability, availability, and serviceability features Three important computer design features are reliability, availability, and serviceability (RAS). The RAS features help to ensure the integrity of the data that is stored in the server, the availability of the server when you need it, and the ease with which you can diagnose and repair problems. The server has the following RAS features: v Automatic error retry and recovery v Automatic restart after a power failure v Backup basic input/output system (BIOS) switching under the control of the baseboard management controller v Baseboard management controller (service processor) v Built-in monitoring for fan, power, temperature, voltage, and power-supply redundancy v Cable-presence detection on most connectors v Error codes and messages v Error correcting code (ECC) L2 cache and system memory v Registered DDR2 DIMMs support v Hot-swap cooling fans with speed-sensing capability v Hot-swap hard disk drives v Hot-spare memory v Information and light path diagnostics LED panels v Menu-driven setup, system configuration, and redundant array of independent disks (RAID) configuration programs v Parity checking or CRC checking on the serially-attached SCSI (SAS) bus and PCI buses v Power management: Compliance with Advanced Configuration and Power Interface (ACPI) v Power-on self-test (POST) v Predictive Failure Analysis® (PFA) alerts v Redundant Ethernet capabilities with failover support v Redundant hot-swap power supplies and redundant hot-swap fans v Remind button to temporarily turn off the system-error LED v Remote system problem-determination support v Standby voltage for system-management features and monitoring v Startup (boot) from LAN through Preboot Execution Environment (PXE) boot agent utility or dynamic host configuration protocol/boot protocol (DHCP/BOOTP) v System auto-configuring from the configuration menu v System error logging (POST and service processor) v System-management monitoring v Upgradeable POST, BIOS, diagnostics, service processor microcode, and read-only memory (ROM) resident code, locally or over the LAN v Vital product data (VPD) on microprocessors, system board, power supplies, memory, SAS backplane, and power backplane v Wake on LAN capability 8 System x3655 Type 7985: User's Guide

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Reliability,
availability,
and
serviceability
features
Three
important
computer
design
features
are
reliability,
availability,
and
serviceability
(RAS).
The
RAS
features
help
to
ensure
the
integrity
of
the
data
that
is
stored
in
the
server,
the
availability
of
the
server
when
you
need
it,
and
the
ease
with
which
you
can
diagnose
and
repair
problems.
The
server
has
the
following
RAS
features:
v
Automatic
error
retry
and
recovery
v
Automatic
restart
after
a
power
failure
v
Backup
basic
input/output
system
(BIOS)
switching
under
the
control
of
the
baseboard
management
controller
v
Baseboard
management
controller
(service
processor)
v
Built-in
monitoring
for
fan,
power,
temperature,
voltage,
and
power-supply
redundancy
v
Cable-presence
detection
on
most
connectors
v
Error
codes
and
messages
v
Error
correcting
code
(ECC)
L2
cache
and
system
memory
v
Registered
DDR2
DIMMs
support
v
Hot-swap
cooling
fans
with
speed-sensing
capability
v
Hot-swap
hard
disk
drives
v
Hot-spare
memory
v
Information
and
light
path
diagnostics
LED
panels
v
Menu-driven
setup,
system
configuration,
and
redundant
array
of
independent
disks
(RAID)
configuration
programs
v
Parity
checking
or
CRC
checking
on
the
serially-attached
SCSI
(SAS)
bus
and
PCI
buses
v
Power
management:
Compliance
with
Advanced
Configuration
and
Power
Interface
(ACPI)
v
Power-on
self-test
(POST)
v
Predictive
Failure
Analysis
®
(PFA)
alerts
v
Redundant
Ethernet
capabilities
with
failover
support
v
Redundant
hot-swap
power
supplies
and
redundant
hot-swap
fans
v
Remind
button
to
temporarily
turn
off
the
system-error
LED
v
Remote
system
problem-determination
support
v
Standby
voltage
for
system-management
features
and
monitoring
v
Startup
(boot)
from
LAN
through
Preboot
Execution
Environment
(PXE)
boot
agent
utility
or
dynamic
host
configuration
protocol/boot
protocol
(DHCP/BOOTP)
v
System
auto-configuring
from
the
configuration
menu
v
System
error
logging
(POST
and
service
processor)
v
System-management
monitoring
v
Upgradeable
POST,
BIOS,
diagnostics,
service
processor
microcode,
and
read-only
memory
(ROM)
resident
code,
locally
or
over
the
LAN
v
Vital
product
data
(VPD)
on
microprocessors,
system
board,
power
supplies,
memory,
SAS
backplane,
and
power
backplane
v
Wake
on
LAN
capability
8
System
x3655
Type
7985:
User’s
Guide