Note:
The
user
and
operating
system
interfaces
of
the
system
firmware
are
based
on
the
Open
Firmware
standard.
Detailed
system
information
is
provided
through
the
Open
Firmware
device
tree.
You
can
use
the
client
interface
and
Run-Time
Abstraction
Services
(RTAS)
to
run
management
functions.
BMC
firmware
v
Communicates
with
advanced
management
module
v
Controls
power
on
v
Initializes
the
board,
including
the
Cell/B.E.
processors
and
clock
chips
v
Monitors
the
physical
board
environment
System
firmware
v
Takes
over
when
the
BMC
has
successfully
initialized
the
board
v
Acts
as
the
basic
input/output
system
(BIOS)
v
Includes
boot-time
diagnostics
and
power-on
self
test
v
Prepares
the
system
for
the
operating
system
boot
The
packages
are
delivered
separately
and
do
not
follow
the
same
versioning
scheme.
IBM
provides
two
basic
update
options
for
updating
or
″
flashing
″
the
firmware:
online
and
offline.
The
offline
method
requires
you
to
use
an
alternate
bootable
media
to
restart
the
server
and
perform
the
firmware
update.
For
greater
convenience
and
flexibility,
IBM
now
also
provides
online
updates
that
you
can
install
while
the
operating
system
is
running.
The
online
method
allows
you
to
run
the
update
at
any
time,
with
the
flexibility
to
restart
the
server
at
a
time
when
it
is
most
convenient
to
do
so.
As
a
best
practice,
use
the
online
update
packages
to
perform
all
of
your
basic
update
functions
IBM
periodically
makes
updates
to
both
BMC
and
system
firmware.
These
may
be
downloaded
from
http://www.ibm.com/support/us/en/.
Note:
To
avoid
problems
and
to
maintain
proper
system
performance,
always
make
sure
that
both
the
BMC
firmware
and
the
system
firmware
are
at
the
same
level
for
all
BladeCenter
QS21
servers
within
the
BladeCenter
unit.
Updating
steps
Complete
the
following
steps
to
update
the
BMC
and
system
firmware
images:
1.
Check
the
revision
level
of
the
firmware
on
the
blade
server
and
the
level
of
the
updates
on
http://www.ibm.com/support/us/en/.
If
the
level
on
the
Web
site
is
higher
than
the
version
currently
installed,
continue
with
the
updating
steps.
2.
Download
the
firmware
updates.
3.
Boot
the
operating
system
if
it
is
not
running
already.
4.
Update
the
BMC
firmware
using
the
update
package
or
the
Management
Module.
See
“Updating
the
BMC
firmware”
on
page
18
for
further
information.
5.
Restart
the
blade
server.
This
boots
the
blade
server
with
the
new
BMC
firmware.
6.
Update
the
system
firmware
image.
See
“Installing
the
system
firmware”
on
page
20
for
further
information.
7.
The
system
reboots.
This
boots
the
blade
server
with
the
new
system
firmware.
8.
Shut
down
the
blade
server.
16
BladeCenter
QS21
Type
0792:
Problem
Determination
and
Service
Guide
Содержание BladeCenter QS21 Type 0792
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