Reliability,
availability,
and
serviceability
features
Three
of
the
most
important
features
in
server
design
are
reliability,
availability,
and
serviceability
(RAS).
These
factors
help
to
ensure
the
integrity
of
the
data
that
is
stored
on
your
blade
server;
that
your
blade
server
is
available
when
you
want
to
use
it;
and
that
should
a
failure
occur,
you
can
easily
diagnose
and
correct
the
failure
with
minimal
inconvenience.
The
BladeCenter
T
unit
has
the
following
RAS
features:
v
Shared
key
components,
such
as
power,
cooling,
backplane,
and
I/O
v
All
components
serviced
from
the
front
or
rear
of
the
BladeCenter
T
unit
v
Automatic
error
retry
and
recovery
v
Automatic
restart
after
a
power
failure
v
Built-in
monitoring
for
blower,
power,
temperature,
and
voltage
v
Built-in
monitoring
for
module
redundancy
v
Customer
support
center
24
hours
a
day,
7
days
a
week
1
v
Error
codes
and
messages
v
Fault-resistant
startup
v
Remote
system
management
through
the
management
module
v
Remote
management
module
firmware
upgrade
v
Remote
upgrade
of
blade
server
service
processor
microcode
v
Built-in
self-test
(BIST)
v
Predictive
Failure
Analysis
(PFA)
alerts
v
Redundant
components
–
Blowers
with
speed-sensing
capability
–
I/O
modules
–
Management
modules
–
Power
modules
v
Redundant
system
features
in
the
backplane
v
Hot-swap
components
–
Blade
servers
–
Blowers
with
speed-sensing
capability
–
I/O
modules
–
KVM
module
–
LAN
module
–
Management
module
–
Media
tray
–
Power
modules
v
System
automatic
inventory
at
startup
v
System
error
logging
1. Service
availability
will
vary
by
country.
Response
time
varies;
may
exclude
holidays.
Chapter
1.
Introduction
11
Summary of Contents for BladeCenter T Type 8720
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