Table
9.
Tasks
overview
Task
Description
See
Accessing
the
DS4500
Storage
Server
components
and
indicator
lights
To
access
the
controller
CRUs,
battery,
storage
server
fan,
and
indicator
lights,
remove
the
DS4500
Storage
Server
bezel.
“Removing
and
replacing
the
front
bezel
to
access
the
DS4000
Storage
Server
components”
Turning
on
or
off
the
power
The
DS4500
Storage
Server
usually
runs
continuously.
However,
you
might
need
to
turn
off
the
power
to
move
the
DS4500
Storage
Server
or
to
perform
maintenance
procedures.
“Turning
on
the
power”
on
page
22
and
“Turning
off
the
power”
on
page
23
Monitoring
DS4500
Storage
Server
status
through
software
Run
the
storage-management
software
continuously.
This
software
checks
the
storage
subsystem
for
failures
and
displays
messages
that
indicate
the
types
of
failures
and
the
recovery
procedures.
“Monitoring
status
through
software”
on
page
25
Checking
fault
indicator
lights
for
component
failures
Component
failures
are
indicated
by
lights
on
the
front
and
back
of
the
DS4500
Storage
Server
and
are
monitored
by
the
storage-management
software.
Note:
The
indicator
lights
identify
problems
with
the
DS4500
Storage
Server
components,
but
you
might
need
more
information
to
thoroughly
diagnose
and
repair
the
unit.
Therefore,
it
is
important
to
use
the
storage-management
software
to
continuously
monitor
the
status
of
the
DS4500
Storage
Server.
“Checking
the
indicator
lights”
on
page
26
Restoring
power
after
a
power
supply
shutdown
When
the
DS4500
Storage
Server
shuts
down
because
of
a
power
supply
overtemperature
condition,
take
special
care
restarting
it.
“Overtemperature
condition
and
power
supply
shutdown”
on
page
37
Checking
the
battery
service
date
Periodically
check
the
battery
service
date
information.
Replace
the
battery
whenever
it
fails
to
hold
a
charge
or
every
three
years.
Note:
Using
the
DS4500
Storage
Server
in
a
hot
environment
(above
35°
C
or
95°
F),
lowers
the
battery
life
expectancy.
Environmental
conditions
that
are
not
in
the
specified
range
are
not
supported.
“Checking
the
battery
service
date”
on
page
38
Preparing
to
move
the
DS4500
Storage
Server
You
might
need
to
move
the
DS4500
Storage
Server
to
a
new
location
or
remove
the
chassis
from
its
rack
cabinet.
“Preparing
to
move
the
DS4500
Storage
Server”
on
page
39
Removing
and
replacing
the
front
bezel
to
access
the
DS4000
Storage
Server
components
To
access
the
controller
blades,
battery,
storage
server
fan,
and
indicator
lights,
you
must
remove
the
DS4500
Storage
Server
bezel,
as
shown
in
Figure
21
on
page
21.
20
IBM
TotalStorage
DS4500
Fibre
Channel
Storage
Server:
User’s
Guide
Summary of Contents for TotalStorage DS4500
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