v
The
two
controllers
are
automatically
synchronized
when
you
replace
a
failed
controller.
The
storage-management
software
automatically
synchronizes
the
firmware
between
the
existing
controller
and
the
new
controller.
Replacing
a
failed
controller
When
instructed
by
the
storage-management
software,
replace
a
controller
CRU
by
using
the
following
procedure.
Attention:
After
replacing
a
controller,
always
use
the
storage-management
software
to
verify
the
firmware
levels.
1.
Remove
the
DS4500
Storage
Server
bezel,
as
shown
in
Figure
21
on
page
21.
Attention:
Removing
a
controller
that
is
operating
normally
(not
failed)
can
result
in
data
loss.
Only
remove
a
controller
that:
v
Has
a
fault
indicator
light
that
is
lit
v
Is
marked
as
“Failed”
(offline)
through
the
storage-management
software
2.
Using
Figure
34
as
a
guide,
remove
the
controller
that
has
failed.
a.
Using
your
thumbs,
squeeze
the
two
center
tabs
and
pull
both
controller
handles
outward
with
your
fingers.
b.
Using
both
handles,
pull
out
on
the
controller
to
remove
it.
Attention:
When
you
handle
static-sensitive
devices,
take
precautions
to
avoid
damage
from
static
electricity.
For
details
about
handling
static-sensitive
devices,
see
“Handling
static-sensitive
devices”
on
page
43.
3.
Unpack
the
new
controller.
Using
the
proper
handling
precautions,
remove
the
new
controller
from
the
packing
material.
Check
the
shipping
invoice
and
the
controller
to
make
sure
that
it
has
the
same
memory
size
as
the
controller
that
you
just
removed.
4.
Using
Figure
34
as
a
guide,
install
the
new
controller
as
follows:
a.
Using
your
thumbs,
squeeze
the
two
center
tabs
and
pull
both
controller
handles
outward
with
your
fingers.
b.
Using
the
handles,
slide
the
controller
into
the
slot
until
the
back
edge
of
both
handles
hooks
onto
the
frame.
Figure
34.
Removing
and
replacing
a
failed
controller
CRU
Chapter
3.
Replacing
the
DS4500
Storage
Server
components
45
Summary of Contents for TotalStorage DS4500
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