IBM JS20 Hardware Maintenance Manual - Page 71

Diagnostic, programs, Error, analysis

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Diagnostic programs This section provides an overview of the various diagnostic programs. The diagnostic controller runs as an application program on the AIX operating system and carries out the following functions: v Displays diagnostic menus v Checks availability of needed resources v Checks error log entries under certain conditions v Loads diagnostic application programs v Loads task and service aid programs v Displays test results To test an adapter or device, select the device or adapter from the Diagnostic Selection menu. The diagnostic controller then loads the diagnostic application program for the selected device or adapter. The diagnostic application program loads and runs test units to check the functions of the device or adapter. The diagnostic controller checks the results of the tests done by the diagnostic application and determines the action needed to continue the testing. The amount of testing that the diagnostic application does depends on the mode (concurrent/standalone) under which the diagnostic programs are running. Error log analysis When you select Diagnostics, the Diagnostic Selection menu displays. Note: Other menus may display before the Diagnostic Selection menu appears. This menu allows you to select the purpose for running diagnostics. When you select the Problem Determination option, the diagnostic programs read and analyze the contents of the error log. Note: Most hardware errors in the operating system error log contain "sysplanar0" as the resource name. The resource name identifies the resource that detected the error; it does not indicate that the resource is faulty or should be replaced. Use the resource name to determine the appropriate diagnostic to analyze the error. If the error log contains recent errors (approximately the last 7 days), the diagnostic programs automatically select the diagnostic application program to test the logged function. If there are no recent errors logged or the diagnostic application program runs without detecting an error, the Diagnostic Selection menu is displayed. This menu allows you to select a resource for testing. If an error is detected while the diagnostic application program is running, the ″A problem was detected″ screen displays a Service Request Number (SRN). If there are no recent errors logged or the diagnostic application program runs without detecting an error, the Diagnostic Selection menu is displayed. This menu allows you to select a resource for testing. If an error is detected while the diagnostic application program is running, the ″A problem was detected″ screen displays a Service Request Number (SRN). Chapter 8. General AIX and xSeries standalone diagnostic information 61

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Diagnostic
programs
This
section
provides
an
overview
of
the
various
diagnostic
programs.
The
diagnostic
controller
runs
as
an
application
program
on
the
AIX
operating
system
and
carries
out
the
following
functions:
v
Displays
diagnostic
menus
v
Checks
availability
of
needed
resources
v
Checks
error
log
entries
under
certain
conditions
v
Loads
diagnostic
application
programs
v
Loads
task
and
service
aid
programs
v
Displays
test
results
To
test
an
adapter
or
device,
select
the
device
or
adapter
from
the
Diagnostic
Selection
menu.
The
diagnostic
controller
then
loads
the
diagnostic
application
program
for
the
selected
device
or
adapter.
The
diagnostic
application
program
loads
and
runs
test
units
to
check
the
functions
of
the
device
or
adapter.
The
diagnostic
controller
checks
the
results
of
the
tests
done
by
the
diagnostic
application
and
determines
the
action
needed
to
continue
the
testing.
The
amount
of
testing
that
the
diagnostic
application
does
depends
on
the
mode
(concurrent/standalone)
under
which
the
diagnostic
programs
are
running.
Error
log
analysis
When
you
select
Diagnostics,
the
Diagnostic
Selection
menu
displays.
Note:
Other
menus
may
display
before
the
Diagnostic
Selection
menu
appears.
This
menu
allows
you
to
select
the
purpose
for
running
diagnostics.
When
you
select
the
Problem
Determination
option,
the
diagnostic
programs
read
and
analyze
the
contents
of
the
error
log.
Note:
Most
hardware
errors
in
the
operating
system
error
log
contain
“sysplanar0”
as
the
resource
name.
The
resource
name
identifies
the
resource
that
detected
the
error;
it
does
not
indicate
that
the
resource
is
faulty
or
should
be
replaced.
Use
the
resource
name
to
determine
the
appropriate
diagnostic
to
analyze
the
error.
If
the
error
log
contains
recent
errors
(approximately
the
last
7
days),
the
diagnostic
programs
automatically
select
the
diagnostic
application
program
to
test
the
logged
function.
If
there
are
no
recent
errors
logged
or
the
diagnostic
application
program
runs
without
detecting
an
error,
the
Diagnostic
Selection
menu
is
displayed.
This
menu
allows
you
to
select
a
resource
for
testing.
If
an
error
is
detected
while
the
diagnostic
application
program
is
running,
the
″
A
problem
was
detected
″
screen
displays
a
Service
Request
Number
(SRN).
If
there
are
no
recent
errors
logged
or
the
diagnostic
application
program
runs
without
detecting
an
error,
the
Diagnostic
Selection
menu
is
displayed.
This
menu
allows
you
to
select
a
resource
for
testing.
If
an
error
is
detected
while
the
diagnostic
application
program
is
running,
the
″
A
problem
was
detected
″
screen
displays
a
Service
Request
Number
(SRN).
Chapter
8.
General
AIX
and
xSeries
standalone
diagnostic
information
61