IBM HC10 Service Guide - Page 95

Network, connection, problems, Power

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Network connection problems To check for network connection problems, complete the following steps until the problem is solved: 1. Make sure that: v The network cables are securely connected to the I/O module. v Power configuration of the BladeCenter unit supports the I/O module configuration. v Installation of the I/O-module type is supported by the BladeCenter unit and blade workstation hardware. v The I/O modules for the network interface that is being used are installed in the correct BladeCenter bays, and are configured and operating correctly. v The settings in the I/O module are correct for the blade workstation (settings in the I/O module are specific to each blade workstation). 2. Check for correct I/O-module operation; troubleshoot and replace the I/O module as indicated in the documentation for the I/O module. 3. Check for correct management-module operation (see the documentation for your BladeCenter unit). Note: Some BladeCenter unit types have several management-module components that might need to be tested or replaced (see the Installation Guide for your management module for more information). 4. Replace the management module (see the documentation for your BladeCenter unit). If these steps do not resolve the problem, it is likely a problem with the blade workstation. See "Network connection problems" on page 62. Power problems To check for power problems, make sure that: v The LEDs on all the BladeCenter power modules are lit. v Power is being supplied to the BladeCenter unit. v Installation of the blade workstation type is supported by the BladeCenter unit. v The BladeCenter unit has the correct power configuration to operate the blade bay where your blade workstation is installed (see the documentation for your BladeCenter unit). v The BladeCenter unit power management configuration and status support blade workstation operation (see the Management Module User's Guide or the Management Module Command-Line Interface Reference Guide for information). v Local power control for the blade workstation is correctly set (see the Management Module User's Guide or the Management Module Command-Line Interface Reference Guide for information). v The BladeCenter unit blowers are correctly installed and operational. If these operations do not solve the problem, it is likely a problem with the blade workstation. See "Power error messages" on page 63 and "Power problems" on page 64. Chapter 5. Diagnostics 79

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Network
connection
problems
To
check
for
network
connection
problems,
complete
the
following
steps
until
the
problem
is
solved:
1.
Make
sure
that:
v
The
network
cables
are
securely
connected
to
the
I/O
module.
v
Power
configuration
of
the
BladeCenter
unit
supports
the
I/O
module
configuration.
v
Installation
of
the
I/O-module
type
is
supported
by
the
BladeCenter
unit
and
blade
workstation
hardware.
v
The
I/O
modules
for
the
network
interface
that
is
being
used
are
installed
in
the
correct
BladeCenter
bays,
and
are
configured
and
operating
correctly.
v
The
settings
in
the
I/O
module
are
correct
for
the
blade
workstation
(settings
in
the
I/O
module
are
specific
to
each
blade
workstation).
2.
Check
for
correct
I/O-module
operation;
troubleshoot
and
replace
the
I/O
module
as
indicated
in
the
documentation
for
the
I/O
module.
3.
Check
for
correct
management-module
operation
(see
the
documentation
for
your
BladeCenter
unit).
Note:
Some
BladeCenter
unit
types
have
several
management-module
components
that
might
need
to
be
tested
or
replaced
(see
the
Installation
Guide
for
your
management
module
for
more
information).
4.
Replace
the
management
module
(see
the
documentation
for
your
BladeCenter
unit).
If
these
steps
do
not
resolve
the
problem,
it
is
likely
a
problem
with
the
blade
workstation.
See
“Network
connection
problems”
on
page
62.
Power
problems
To
check
for
power
problems,
make
sure
that:
v
The
LEDs
on
all
the
BladeCenter
power
modules
are
lit.
v
Power
is
being
supplied
to
the
BladeCenter
unit.
v
Installation
of
the
blade
workstation
type
is
supported
by
the
BladeCenter
unit.
v
The
BladeCenter
unit
has
the
correct
power
configuration
to
operate
the
blade
bay
where
your
blade
workstation
is
installed
(see
the
documentation
for
your
BladeCenter
unit).
v
The
BladeCenter
unit
power
management
configuration
and
status
support
blade
workstation
operation
(see
the
Management
Module
User’s
Guide
or
the
Management
Module
Command-Line
Interface
Reference
Guide
for
information).
v
Local
power
control
for
the
blade
workstation
is
correctly
set
(see
the
Management
Module
User’s
Guide
or
the
Management
Module
Command-Line
Interface
Reference
Guide
for
information).
v
The
BladeCenter
unit
blowers
are
correctly
installed
and
operational.
If
these
operations
do
not
solve
the
problem,
it
is
likely
a
problem
with
the
blade
workstation.
See
“Power
error
messages”
on
page
63
and
“Power
problems”
on
page
64.
Chapter
5.
Diagnostics
79