Resetting
the
Service
Processor
If
required,
the
system
is
restarted
by
resetting
the
service
processor.
If
the
system
is
powered
up,
resetting
the
service
processor
will
cause
the
system
to
shut
down.
When
the
service
processor
is
reset,
it
goes
through
its
power-up
sequence,
including
self-tests.
Successful
completion
of
the
reset
sequence
is
indicated
by
OK
on
the
HMC
display.
Before
resetting
the
service
processor,
if
the
managed
system
is
powered
up
and
running,
shut
down
all
partitions,
or
the
full
system
partition.
This
action
causes
the
system
to
shutdown
and
the
system
power
is
turned
off.
To
reset
the
service
processor
when
the
managed
system
is
powered
off,
perform
either
of
the
following:
v
If
the
service
processor
is
responding
to
input
from
the
HMC,
select
Service
Processor
Setup
Menu
from
the
main
menu,
then
select
Reset
Service
Processor
.
This
can
only
be
done
by
a
privileged
user.
v
Remove,
then
reapply,
power
using
the
HMC.
Service
Processor
Operational
Phases
This
section
provides
a
high-level
flow
of
the
phases
of
the
service
processor.
SP Power Applied
Pre-Standby Phase
Standby Phase SP Menus Available
Bring-Up Phase SMS Menus Available
Run-time Phase Operating System Login Prompt Available
Pre-Standby
Phase
This
phase
is
entered
when
the
server
is
connected
to
a
power
source.
The
server
may
or
may
not
be
fully
powered
on.
This
phase
is
exited
when
the
power-on
self-tests
(POSTs)
and
configuration
tasks
are
completed.
The
pre-standby
phase
components
are:
v
Service
Processor
Initialization
-
Service
processor
performs
any
necessary
hardware
and
software
initialization.
v
Service
Processor
POST
-
Service
processor
conducts
Power-on
self-tests
on
its
various
work
and
code
areas.
v
Service
Processor
Unattended
Start
Mode
Checks
-
To
assist
fault
recovery.
If
unattended
start
mode
is
set,
the
service
processor
automatically
reboots
the
server.
The
service
processor
does
not
wait
for
user
input
or
power-on
command,
but
moves
through
the
phase
and
into
the
bring-up
phase.
Access
the
SMS
menus
or
the
service
processor
menus
to
reset
the
unattended
start
mode.
Standby
Phase
The
standby
phase
can
be
reached
in
either
of
the
following
ways:
v
With
the
server
off
and
power
connected
(the
normal
path),
recognized
by
OK
in
the
virtual
operator
panel.
OR
50
Eserver
pSeries
655
User’s
Guide
Summary of Contents for p 655 series
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