IBM HC10 Service Guide - Page 26

Blade, workstation, Ethernet, controller, enumeration - blade server

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You do not have to set any jumpers or configure the controllers for the blade workstation operating system. However, you must install a device driver to enable the blade workstation operating system to address the Ethernet controllers. For device drivers and information about configuring the Ethernet controllers, see the Broadcom NetXtreme Gigabit Ethernet Software CD that comes with the blade workstation. To find updated information about configuring the controllers, see http://www.ibm.com/bladecenter/. The Ethernet controllers support failover, which provides automatic redundancy for the Ethernet controllers. Without failover, you can have only one Ethernet controller from each server attached to each virtual LAN or subnet. With failover, you can configure more than one Ethernet controller from each server to attach to the same virtual LAN or subnet. Either one of the integrated Ethernet controllers can be configured as the primary Ethernet controller. If you have configured the controllers for failover and the primary link fails, the secondary controller takes over. When the primary link is restored, the Ethernet traffic switches back to the primary Ethernet controller. See your operating system device driver documentation for information about configuring for failover. Important: To support failover on the blade workstation Ethernet controllers, the Ethernet switch modules in the BladeCenter unit must have identical configurations. Blade workstation Ethernet controller enumeration The enumeration of the Ethernet controllers in a blade workstation is operating-system dependent. Through the operating-system settings, you can verify the Ethernet controller designations that a blade workstation uses. The routing of an Ethernet controller to a particular I/O-module bay depends on the type of blade workstation. You can verify which Ethernet controller is routed to which I/O-module bay by using the following test: 1. Install only one Ethernet switch module or pass-thru module in I/O-module bay 1. 2. Make sure that the ports on the switch module or pass-thru module are enabled (I/O Module Tasks → Management → Advanced Management in the management-module Web interface). 3. Enable only one of the Ethernet controllers on the blade workstation. Note the designation that the blade workstation operating system has for the controller. 4. Ping an external computer on the network that the switch module is connected to. If you can ping the external computer, the Ethernet controller that you enabled is associated with the switch module in I/O-module bay 1. The other Ethernet controller in the blade workstation is associated with the switch module in I/O-module bay 2. If you have installed an expansion card in a blade workstation, communication from the expansion card is routed to I/O-module bays 3 and 4, if these bays are supported by your BladeCenter unit. You can verify which controller on the card is routed to which I/O-module bay by performing the same test and using a controller on the expansion card and a compatible switch module or pass-thru module in I/O-module bay 3 or 4. 10 BladeCenter HC10 Type 7996: Problem Determination and Service Guide

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You
do
not
have
to
set
any
jumpers
or
configure
the
controllers
for
the
blade
workstation
operating
system.
However,
you
must
install
a
device
driver
to
enable
the
blade
workstation
operating
system
to
address
the
Ethernet
controllers.
For
device
drivers
and
information
about
configuring
the
Ethernet
controllers,
see
the
Broadcom
NetXtreme
Gigabit
Ethernet
Software
CD
that
comes
with
the
blade
workstation.
To
find
updated
information
about
configuring
the
controllers,
see
The
Ethernet
controllers
support
failover,
which
provides
automatic
redundancy
for
the
Ethernet
controllers.
Without
failover,
you
can
have
only
one
Ethernet
controller
from
each
server
attached
to
each
virtual
LAN
or
subnet.
With
failover,
you
can
configure
more
than
one
Ethernet
controller
from
each
server
to
attach
to
the
same
virtual
LAN
or
subnet.
Either
one
of
the
integrated
Ethernet
controllers
can
be
configured
as
the
primary
Ethernet
controller.
If
you
have
configured
the
controllers
for
failover
and
the
primary
link
fails,
the
secondary
controller
takes
over.
When
the
primary
link
is
restored,
the
Ethernet
traffic
switches
back
to
the
primary
Ethernet
controller.
See
your
operating
system
device
driver
documentation
for
information
about
configuring
for
failover.
Important:
To
support
failover
on
the
blade
workstation
Ethernet
controllers,
the
Ethernet
switch
modules
in
the
BladeCenter
unit
must
have
identical
configurations.
Blade
workstation
Ethernet
controller
enumeration
The
enumeration
of
the
Ethernet
controllers
in
a
blade
workstation
is
operating-system
dependent.
Through
the
operating-system
settings,
you
can
verify
the
Ethernet
controller
designations
that
a
blade
workstation
uses.
The
routing
of
an
Ethernet
controller
to
a
particular
I/O-module
bay
depends
on
the
type
of
blade
workstation.
You
can
verify
which
Ethernet
controller
is
routed
to
which
I/O-module
bay
by
using
the
following
test:
1.
Install
only
one
Ethernet
switch
module
or
pass-thru
module
in
I/O-module
bay
1.
2.
Make
sure
that
the
ports
on
the
switch
module
or
pass-thru
module
are
enabled
(
I/O
Module
Tasks
→
Management
→
Advanced
Management
in
the
management-module
Web
interface).
3.
Enable
only
one
of
the
Ethernet
controllers
on
the
blade
workstation.
Note
the
designation
that
the
blade
workstation
operating
system
has
for
the
controller.
4.
Ping
an
external
computer
on
the
network
that
the
switch
module
is
connected
to.
If
you
can
ping
the
external
computer,
the
Ethernet
controller
that
you
enabled
is
associated
with
the
switch
module
in
I/O-module
bay
1.
The
other
Ethernet
controller
in
the
blade
workstation
is
associated
with
the
switch
module
in
I/O-module
bay
2.
If
you
have
installed
an
expansion
card
in
a
blade
workstation,
communication
from
the
expansion
card
is
routed
to
I/O-module
bays
3
and
4,
if
these
bays
are
supported
by
your
BladeCenter
unit.
You
can
verify
which
controller
on
the
card
is
routed
to
which
I/O-module
bay
by
performing
the
same
test
and
using
a
controller
on
the
expansion
card
and
a
compatible
switch
module
or
pass-thru
module
in
I/O-module
bay
3
or
4.
10
BladeCenter
HC10
Type
7996:
Problem
Determination
and
Service
Guide