Online
Diagnostics
Modes
of
Operation
Note:
Online
diagnostics
can
only
be
run
if
AIX
is
installed.
The
online
diagnostics
can
be
run
in
the
following
modes:
v
Service
Mode
v
Concurrent
Mode
v
Maintenance
Mode
Service
Mode
Service
mode
provides
the
most
complete
checkout
of
the
system
resources.
This
mode
also
requires
that
no
other
programs
are
running.
Except
for
the
SCSI
adapter
and
the
disk
drives
used
for
paging,
all
resources
on
the
system
can
be
tested.
However,
note
that
the
memory
and
processor
are
only
tested
during
POST,
and
the
results
of
the
POST
tests
are
reported
by
diagnostics.
Error-log
analysis
is
done
in
service
mode
when
you
select
the
Problem
Determination
option
on
the
DIAGNOSTIC
MODE
SELECTION
menu.
Consider
the
following
when
you
run
the
online
diagnostics
from
a
server
or
a
disk:
v
The
diagnostics
cannot
be
loaded
and
run
from
a
disk
until
the
AIX
operating
system
has
been
installed
and
configured.
v
The
diagnostics
cannot
be
loaded
on
a
system
(client)
from
a
server
if
that
system
is
not
set
up
to
boot
from
a
server
over
a
network.
When
the
system
is
set
up
to
boot
from
a
server,
the
diagnostics
are
run
in
the
same
manner
as
they
are
from
disk.
v
If
the
diagnostics
are
loaded
from
disk
or
a
server,
you
must
shut
down
the
AIX
operating
system
before
turning
off
the
system
unit
to
prevent
possible
damage
to
disk
data.
Do
this
in
either
of
the
following
ways:
–
If
the
diagnostics
were
loaded
in
standalone
mode,
press
the
F3
key
until
DIAGNOSTIC
OPERATING
INSTRUCTIONS
displays.
Then
press
the
F3
key
once
again
to
shut
down
the
AIX
operating
system.
–
If
the
diagnostics
were
loaded
in
maintenance
or
concurrent
mode,
type
the
shutdown
-F
command.
v
Under
some
conditions,
the
system
might
stop,
with
instructions
displayed
on
attached
displays
and
terminals.
Follow
the
instructions
to
select
a
console
display.
Running
the
Online
Diagnostics
in
Service
Mode
Online
diagnostics
can
be
loaded
by
booting
from
a
hard
file
in
the
custom
boot
list
by
pressing
the
numeric
6
key
on
the
keyboard.
To
boot
from
the
devices
listed
in
the
service
mode
boot
list,
perform
the
following
procedure:
1.
Verify
with
the
system
administrator
and
users
that
all
programs
may
be
stopped,
then
do
so.
2.
Turn
off
the
system.
Note:
If
AIX
is
running,
type
the
shutdown
command.
3.
Wait
until
the
Power-on
LED
stops
flashing
and
remains
off,
then
press
the
power
button
to
turn
the
system
on.
4.
When
the
keyboard
indicator
appears
during
startup,
press
the
numeric
6
key
on
the
keyboard.
5.
Enter
any
requested
passwords.
After
any
requested
passwords
have
been
entered,
the
system
attempts
to
boot
from
the
first
device
of
each
type
found
on
the
list.
If
no
bootable
image
is
found
on
the
first
device
of
each
type
on
the
list,
the
system
does
not
search
through
the
other
devices
of
that
type
for
a
bootable
image;
instead,
it
polls
the
first
device
of
the
next
type.
186
IntelliStation
POWER
9114
Model
275
Service
Guide
Содержание 9114-275 - IntelliStation POWER 275
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