subsystem
to
locate
the
specific
failed
component.
(For
more
on
troubleshooting
the
storage
subsystem,
see
c.
When
the
recovery
procedure
is
completed,
select
Recheck
in
the
Recovery
Guru.
This
action
reruns
the
Recovery
Guru
to
ensure
that
the
problem
has
been
fixed.
d.
If
the
problem
has
not
been
fixed,
contact
your
IBM
service
representative.
Responding
to
the
audible
alarm
Attention:
The
DS4800
ships
with
the
audible
alarm
option
disabled.
You
can
enable
the
audible
alarm
with
the
DS4000
Storage
Manager
client.
If
the
audible
alarm
is
enabled,
you
must
remove
the
DS4800
bezel
in
order
to
mute
the
alarm.
The
alarm
provides
an
audible
warning
of
potentially
serious
problems
with
the
storage
subsystem.
The
storage
subsystem
is
shipped
with
the
alarm
disabled.
You
can
enable
or
disable
the
Audible
Alarm
feature
using
the
DS4000
Storage
Manager
Subsystem
Management
window
graphical
user
interface
(GUI).
Any
change
you
make
takes
effect
after
approximately
five
minutes.
If
you
enable
the
alarm,
the
DS4800
alarm
will
sound
upon
the
next
detection
of
a
storage
subsystem
failure.
Note:
The
alarm
will
not
sound
when
it
is
enabled
if
it
detects
a
subsystem
failure
that
has
been
detected
by
the
controllers
prior
to
the
enabling
of
the
alarm.
The
GUI
indicates
alarm
status
for
the
storage
subsystem
as
follows:
v
Alarm
control
(enabled/disabled)
v
Alarm
state
(inactive/sounding/muted)
The
GUI
provides
the
following
alarm
controls
for
the
storage
subsystem:
v
Enable/disable
alarm.
(Error
status
is
displayed
if
an
attempt
is
made
to
enable
an
alarm
that
is
not
present.)
v
Mute
alarm.
The
alarm
sounds
and
the
Overall
DS4800
Configuration
Needs
Attention
turns
on
when
one
of
the
following
conditions
occur:
v
Hardware
malfunction
in
a
storage
subsystem
–
This
includes
an
overheating
condition
or
a
component
failures
(controllers,
power
supplies,
or
fans).
v
Transmission
failures
–
This
includes
I/O
transmission
problems
with
the
SFP
modules
or
cables.
When
a
subsystem
failure
is
detected
after
the
alarm
has
been
enabled,
the
alarm
sounds
until
one
of
the
following
occurs:
v
The
alarm
is
muted
using
the
DS4000
Storage
Manager
Subsystem
Management
window
GUI.
v
The
alarm
is
muted
using
the
Mute
button
on
the
interconnect-battery
unit.
v
The
problem
that
is
indicated
by
the
lit
Overall
DS4800
Configuration
Needs
Attention
LED
is
resolved.
If
the
alarm
sounds,
check
the
storage
subsystem
for
faults.
For
troubleshooting
procedures,
see
Chapter
4.
Operating
the
storage
subsystem
113
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