IBM 8872 Service Guide - Page 53

General, problems, drive

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General problems v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, "Parts listing, Type 8872 and Type 8874," on page 93 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU). v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a trained service technician. Symptom Action A cover lock is broken, an LED If the part is a CRU, replace it. If the part is a FRU, the part must be replaced by a is not working, or a similar trained service technician. problem has occurred. Hard disk drive problems v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, "Parts listing, Type 8872 and Type 8874," on page 93 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU). v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a trained service technician. Symptom Action Not all drives are recognized by Remove the drive indicated on the diagnostic tests; then, run the hard disk drive the hard disk drive diagnostic diagnostic test again. If the remaining drives are recognized, replace the drive that test (the Fixed Disk test). you removed with a new one. The server stops responding during the hard disk drive diagnostic test. Remove the hard disk drive that was being tested when the server stopped responding, and run the diagnostic test again. If the hard disk drive diagnostic test runs successfully, replace the drive that you removed with a new one. A hard disk drive was not detected while the operating system was being started. Reseat all hard disk drives and cables; then, run the hard disk drive diagnostic tests again. A hard disk drive passes the diagnostic Fixed Disk Test but the problem remains. Run the diagnostic SCSI Fixed Disk Test (see "Running the diagnostic programs" on page 59). Note: This test is not available to servers using RAID or servers with IDE or SATA hard disk drives. Chapter 2. Diagnostics 37

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General
problems
v
Follow
the
suggested
actions
in
the
order
in
which
they
are
listed
in
the
Action
column
until
the
problem
is
solved.
v
See
Chapter
3,
“Parts
listing,
Type
8872
and
Type
8874,”
on
page
93
to
determine
which
components
are
customer
replaceable
units
(CRU)
and
which
components
are
field
replaceable
units
(FRU).
v
If
an
action
step
is
preceded
by
“(Trained
service
technician
only),”
that
step
must
be
performed
only
by
a
trained
service
technician.
Symptom
Action
A
cover
lock
is
broken,
an
LED
is
not
working,
or
a
similar
problem
has
occurred.
If
the
part
is
a
CRU,
replace
it.
If
the
part
is
a
FRU,
the
part
must
be
replaced
by
a
trained
service
technician.
Hard
disk
drive
problems
v
Follow
the
suggested
actions
in
the
order
in
which
they
are
listed
in
the
Action
column
until
the
problem
is
solved.
v
See
Chapter
3,
“Parts
listing,
Type
8872
and
Type
8874,”
on
page
93
to
determine
which
components
are
customer
replaceable
units
(CRU)
and
which
components
are
field
replaceable
units
(FRU).
v
If
an
action
step
is
preceded
by
“(Trained
service
technician
only),”
that
step
must
be
performed
only
by
a
trained
service
technician.
Symptom
Action
Not
all
drives
are
recognized
by
the
hard
disk
drive
diagnostic
test
(the
Fixed
Disk
test).
Remove
the
drive
indicated
on
the
diagnostic
tests;
then,
run
the
hard
disk
drive
diagnostic
test
again.
If
the
remaining
drives
are
recognized,
replace
the
drive
that
you
removed
with
a
new
one.
The
server
stops
responding
during
the
hard
disk
drive
diagnostic
test.
Remove
the
hard
disk
drive
that
was
being
tested
when
the
server
stopped
responding,
and
run
the
diagnostic
test
again.
If
the
hard
disk
drive
diagnostic
test
runs
successfully,
replace
the
drive
that
you
removed
with
a
new
one.
A
hard
disk
drive
was
not
detected
while
the
operating
system
was
being
started.
Reseat
all
hard
disk
drives
and
cables;
then,
run
the
hard
disk
drive
diagnostic
tests
again.
A
hard
disk
drive
passes
the
diagnostic
Fixed
Disk
Test
but
the
problem
remains.
Run
the
diagnostic
SCSI
Fixed
Disk
Test
(see
“Running
the
diagnostic
programs”
on
page
59).
Note:
This
test
is
not
available
to
servers
using
RAID
or
servers
with
IDE
or
SATA
hard
disk
drives.
Chapter
2.
Diagnostics
37