v
If
you
are
on
a
Model
870
or
890:
Go
to
step
13
(See
page
4.
See
or
Remove
all
of
the
IOPs
and
IOAs,
EXCEPT
for
the
first
storage
IOA.
(Normally
this
would
mean
to
remove
all
of
the
cards
in
locations
C07,
C06,
C05,
C04,
C03,
and
C02
-
but
leave
the
card
in
location
C01.)
Attempt
to
perform
the
alternate
IPL.
Does
the
same
SRC
occur?
v
Yes
:
Continue
with
the
next
step.
v
No
:
If
the
system
IPLs
past
the
original
error,
then
isolate
to
the
failing
IOP
or
IOA
card.
Follow
the
service
actions
for
the
new
SRC.
5.
Remove
(and
label)
all
of
the
storage
device
units
EXCEPT
for
the
alternate
IPL
load-source
device
unit
you
are
currently
using.
(This
includes
all
of
the
disk
devices
in
D01
-
D06.)
If
the
system
IPLs
past
the
original
error,
then
isolate
to
the
failing
device
unit.
If
the
failure
still
occurs,
replace
the
following
FRUs
one
at
a
time
until
the
problem
is
resolved.
See
the
v
First
storage
IOA
v
System
unit
backplane
in
location
MB1
This
ends
the
procedure.
6.
See
Remove
all
of
the
IOPs
and
IOAs
on
bus
1,
EXCEPT
for
the
first
storage
IOA.
(Normally
this
would
mean
to
remove
all
of
the
cards
in
locations
C06,
C04,
C03,
C02,
and
C01
-
but
leave
the
card
in
location
C05.)
Attempt
to
perform
the
alternate
IPL.
Does
the
same
SRC
occur?
v
Yes
:
Continue
with
the
next
step.
v
No
:
If
the
system
IPLs
past
the
original
error,
then
isolate
to
the
failing
IOP
or
IOA
card.
Follow
the
service
actions
for
the
new
SRC.
7.
Remove
(and
label)
all
of
the
storage
device
units
EXCEPT
for
the
alternate
IPL
load-source
device
unit
you
are
currently
using.
(This
includes
all
of
the
disk
devices
in
D01
-
D12.)
If
the
system
IPLs
past
the
original
error,
then
isolate
to
the
failing
device
unit.
If
the
failure
still
occurs,
replace
the
following
FRUs
one
at
a
time
until
the
problem
is
resolved.
See
the
v
First
storage
IOA
v
System
unit
backplane
in
location
MB1
This
ends
the
procedure.
8.
See
Remove
the
IOPs
and
IOAs,
EXCEPT
for
the
load-source
IOP
and
the
first
storage
IOA.
(Normally
this
would
mean
to
remove
the
card
in
location
C06
-
but
leave
the
cards
in
location
C07
and
C05.)
Attempt
to
perform
the
alternate
IPL.
9.
Does
the
same
SRC
occur?
v
Yes:
Continue
with
the
next
step.
v
No:
If
the
system
IPLs
past
the
original
error,
then
isolate
to
the
failing
IOP
or
IOA
card.
Follow
the
service
actions
for
the
new
SRC.
This
ends
the
procedure.
10.
Remove
(and
label)
all
of
the
storage
device
units
EXCEPT
for
the
alternate
IPL
load-source
device
unit
you
are
currently
using.
(This
includes
all
of
the
disk
devices
in
D01
-
D15.)
If
the
system
IPLs
past
the
original
error,
then
isolate
to
the
failing
device
unit.
If
the
failure
still
occurs,
replace
the
following
FRUs
one
at
a
time
until
the
problem
is
resolved.
See
for
part
number
and
remove
and
replace
information.
v
First
storage
IOA
v
System
unit
backplane
in
location
CB1
This
ends
the
procedure.
11.
See
Analyze
hardware
problems
351