IBM 87302RU Installation Guide - Page 39

Management, module

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Management module The BladeCenter T unit comes with one hot-swap Advanced Management Module in management bay 1. An additional management module can be added in management-module bay 2. Only one of these management modules can be active at one time, functioning as the primary management module; a second management module, if present, provides redundancy. The secondary management module remains inactive until it is switched to act as primary. When two management modules are installed in the BladeCenter T unit, both management modules must have the same level of firmware, at a level that supports redundant management-module function. This helps ensure a smooth changeover of control from the active management module to the redundant management module. The latest level of management-module firmware is available at the IBM Support Web site at www.ibm.com/pc/support/. The management module functions as a service processor and a KVM multiplexor for all of the blade servers installed in the BladeCenter T unit. It controls the KVM-module external connections for use by a local console. The management module also controls three LAN-module external connections: two RJ-45 connectors for 10/100-Mbps Ethernet remote management connection and an alarms connector that can be used for monitoring BladeCenter T unit status. The service processor in the management module communicates with the service processor in each blade server to support features such as blade server power-on requests, error and event reporting, KVM requests, and requests to use the BladeCenter T shared-media tray (CD-ROM drive and USB port) The BladeCenter T components are configured using the management module. The management module communicates with all components in the BladeCenter T unit, detecting their presence or absence, reporting their status, and sending alerts for error conditions when they are required (see Figure 10 on page 26). Chapter 2. BladeCenter T unit components 25

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Management
module
The
BladeCenter
T
unit
comes
with
one
hot-swap
Advanced
Management
Module
in
management
bay
1.
An
additional
management
module
can
be
added
in
management-module
bay
2.
Only
one
of
these
management
modules
can
be
active
at
one
time,
functioning
as
the
primary
management
module;
a
second
management
module,
if
present,
provides
redundancy.
The
secondary
management
module
remains
inactive
until
it
is
switched
to
act
as
primary.
When
two
management
modules
are
installed
in
the
BladeCenter
T
unit,
both
management
modules
must
have
the
same
level
of
firmware,
at
a
level
that
supports
redundant
management-module
function.
This
helps
ensure
a
smooth
changeover
of
control
from
the
active
management
module
to
the
redundant
management
module.
The
latest
level
of
management-module
firmware
is
available
at
the
IBM
Support
Web
site
at
www.ibm.com/pc/support/.
The
management
module
functions
as
a
service
processor
and
a
KVM
multiplexor
for
all
of
the
blade
servers
installed
in
the
BladeCenter
T
unit.
It
controls
the
KVM-module
external
connections
for
use
by
a
local
console.
The
management
module
also
controls
three
LAN-module
external
connections:
two
RJ-45
connectors
for
10/100-Mbps
Ethernet
remote
management
connection
and
an
alarms
connector
that
can
be
used
for
monitoring
BladeCenter
T
unit
status.
The
service
processor
in
the
management
module
communicates
with
the
service
processor
in
each
blade
server
to
support
features
such
as
blade
server
power-on
requests,
error
and
event
reporting,
KVM
requests,
and
requests
to
use
the
BladeCenter
T
shared-media
tray
(CD-ROM
drive
and
USB
port)
The
BladeCenter
T
components
are
configured
using
the
management
module.
The
management
module
communicates
with
all
components
in
the
BladeCenter
T
unit,
detecting
their
presence
or
absence,
reporting
their
status,
and
sending
alerts
for
error
conditions
when
they
are
required
(see
Figure
10
on
page
26).
Chapter
2.
BladeCenter
T
unit
components
25