IBM JS20 User Guide - Page 90

drive, problems, Power

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CD drive problems Symptom Suggested action The BladeCenter JS20 Type 8842 cannot access the CD drive in the BladeCenter unit. 1. Important: If you are using a Type 8677 BladeCenter unit and you received it before June 2003, the customer interface card (CIC) in the media tray of the BladeCenter unit might need to be replaced before the CD drive will work correctly with a BladeCenter JS20 Type 8842. To determine whether the CIC in the BladeCenter unit requires replacement, follow the instructions in "Checking the status of the media tray" on page 17. 2. If the BladeCenter unit contains the correct CIC and the problem remains, determine whether other blade servers can access the CD drive. 3. If other blade servers can access the CD drive, there might be a problem with the BladeCenter JS20 Type 8842. Contact a service support representative for assistance. Note: For all other CD drive problems, see the BladeCenter unit Hardware Maintenance Manual and Troubleshooting Guide or Problem Determination and Service Guide. Power problems Power symptom The blade server does not turn on. Suggested action 1. Make sure that: a. The power-on LED on the front of the BladeCenter unit is lit. b. The LEDs on all the BladeCenter power modules are lit. c. On a BladeCenter Type 8677 or similar unit, if the blade server is in blade bays 7 through 14, power modules are in power-module bays 1, 2, 3, and 4. d. On a BladeCenter T unit, if the blade server is in blade bays 6 through 8, power modules are in power-module bays 1, 2, 3, and 4. e. The power-on LED on the blade-server control panel is flashing slowly. v If the power-on LED is flashing rapidly and continues to do so, the blade server is not communicating with the management module; reseat the blade server and go to step 3. v If the power LED is off, either the blade bay is not receiving power, the blade server is defective, or the LED information panel is loose or defective. f. Local power control for the blade server is enabled (use the BladeCenter management-module Web interface to make sure), or the blade server was instructed through the management module (Web interface) to turn on. 2. If you just installed an option in the blade server, remove it, and restart the blade server. If the blade server now turns on, troubleshoot the option (see the documentation that comes with the option for information). 3. Try another blade server in the blade bay; if it works, replace the faulty blade server. 4. If the problem remains, have the blade server serviced. 78 BladeCenter JS20 Type 8842: Installation and User's Guide

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CD
drive
problems
Symptom
Suggested
action
The
BladeCenter
JS20
Type
8842
cannot
access
the
CD
drive
in
the
BladeCenter
unit.
1.
Important:
If
you
are
using
a
Type
8677
BladeCenter
unit
and
you
received
it
before
June
2003,
the
customer
interface
card
(CIC)
in
the
media
tray
of
the
BladeCenter
unit
might
need
to
be
replaced
before
the
CD
drive
will
work
correctly
with
a
BladeCenter
JS20
Type
8842.
To
determine
whether
the
CIC
in
the
BladeCenter
unit
requires
replacement,
follow
the
instructions
in
“Checking
the
status
of
the
media
tray”
on
page
17.
2.
If
the
BladeCenter
unit
contains
the
correct
CIC
and
the
problem
remains,
determine
whether
other
blade
servers
can
access
the
CD
drive.
3.
If
other
blade
servers
can
access
the
CD
drive,
there
might
be
a
problem
with
the
BladeCenter
JS20
Type
8842.
Contact
a
service
support
representative
for
assistance.
Note:
For
all
other
CD
drive
problems,
see
the
BladeCenter
unit
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
or
Problem
Determination
and
Service
Guide.
Power
problems
Power
symptom
Suggested
action
The
blade
server
does
not
turn
on.
1.
Make
sure
that:
a.
The
power-on
LED
on
the
front
of
the
BladeCenter
unit
is
lit.
b.
The
LEDs
on
all
the
BladeCenter
power
modules
are
lit.
c.
On
a
BladeCenter
Type
8677
or
similar
unit,
if
the
blade
server
is
in
blade
bays
7
through
14,
power
modules
are
in
power-module
bays
1,
2,
3,
and
4.
d.
On
a
BladeCenter
T
unit,
if
the
blade
server
is
in
blade
bays
6
through
8,
power
modules
are
in
power-module
bays
1,
2,
3,
and
4.
e.
The
power-on
LED
on
the
blade-server
control
panel
is
flashing
slowly.
v
If
the
power-on
LED
is
flashing
rapidly
and
continues
to
do
so,
the
blade
server
is
not
communicating
with
the
management
module;
reseat
the
blade
server
and
go
to
step
3.
v
If
the
power
LED
is
off,
either
the
blade
bay
is
not
receiving
power,
the
blade
server
is
defective,
or
the
LED
information
panel
is
loose
or
defective.
f.
Local
power
control
for
the
blade
server
is
enabled
(use
the
BladeCenter
management-module
Web
interface
to
make
sure),
or
the
blade
server
was
instructed
through
the
management
module
(Web
interface)
to
turn
on.
2.
If
you
just
installed
an
option
in
the
blade
server,
remove
it,
and
restart
the
blade
server.
If
the
blade
server
now
turns
on,
troubleshoot
the
option
(see
the
documentation
that
comes
with
the
option
for
information).
3.
Try
another
blade
server
in
the
blade
bay;
if
it
works,
replace
the
faulty
blade
server.
4.
If
the
problem
remains,
have
the
blade
server
serviced.
78
BladeCenter
JS20
Type
8842:
Installation
and
User’s
Guide