Important:
To
ensure
proper
operation
when
you
connect
a
DS4000
EXP100
expansion
unit
to
a
DS4500
storage
server,
you
must
perform
the
required
software
and
firmware
support
code
upgrades
to
enable
DS4500
support
for
the
EXP100.
v
Upgrade
the
DS4000
Storage
Manager
host
software
in
the
host
servers
and
the
management
station
to
version
8.41
or
later.
(It
is
recommended
that
you
update
DS4000
Storage
Manager
to
version
9.1.)
See
the
IBM
TotalStorage
DS4000
Storage
Manager
Installation
and
Support
Guide
for
your
operating
system.
v
Upgrade
the
controller
firmware
and
NVSRAM
and
the
ESM
firmware
to
the
required
levels.
See
the
IBM
TotalStorage
DS4000
EXP100
Storage
Expansion
Unit
Installation,
User’s,
and
Maintenance
Guide
for
firmware
requirements
and
instructions
on
how
to
perform
these
upgrades.
Attention:
Do
not
upgrade
your
controller
firmware
to
version
5.41.5x.xx
(or
to
version
6.11.xx.xx
or
higher)
if
your
storage
server
is
connected
to
an
EXP100
with
ESM
firmware
version
953x
or
earlier.
When
the
DS4500
storage
server
is
connected
to
a
DS4000
EXP100,
the
DS4500
must
not
have
fibre
channel
drives
inserted
in
its
slots.
When
connected
to
a
DS4000
EXP100,
all
the
slots
in
the
DS4500
storage
server
must
have
blank
drive
trays
to
ensure
proper
cooling.
Important:
The
DS4500
storage
server
currently
supports
the
concurrent
attachment,
or
intermixing,
of
fibre
channel
and
Serial
ATA
storage
expansion
units
in
a
single
DS4500
storage
server
configuration.
To
enable
FC/SATA
intermixing
with
the
DS4500
storage
server,
you
must
purchase
the
FC/SATA
Intermix
premium
feature
and
perform
the
required
DS4500
Storage
Manager
and
firmware
upgrades
to
support
FC/SATA
intermixing.
Checking
the
indicator
lights
The
DS4500
storage
server
indicator
lights
display
the
status
of
the
DS4500
storage
server
and
its
components.
Green
indicator
lights
mean
normal
operating
status;
amber
indicator
lights
mean
a
possible
failure.
It
is
important
that
you
check
all
the
indicator
lights
on
the
front
and
back
of
the
controller
unit
after
you
turn
on
the
power.
After
you
turn
on
the
power,
the
indicator
lights
might
blink
intermittently.
Wait
until
the
DS4500
storage
server
completes
its
power
up
before
checking
for
faults.
It
can
take
up
to
15
minutes
for
the
battery
to
complete
its
self-test
and
up
to
24
hours
to
fully
charge,
particularly
after
an
unexpected
power
loss
of
more
than
a
few
minutes.
The
indicator
lights
for
the
components
of
the
DS4500
storage
server
are
described
in
the
following
sections.
Storage
server
indicator
lights
The
storage
server
has
five
indicator
lights,
as
shown
in
Figure
63
on
page
95.
To
view
the
storage
server
indicator
lights,
you
do
not
have
to
remove
the
DS4500
storage
server
bezel.
94
IBM
TotalStorage
DS4000:
Hardware
Maintenance
Manual
Summary of Contents for System Storage DS4000
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