If
necessary,
open
the
DS4000
Storage
Manager
Subsystem
Management
window
and
place
the
controller
on-line;
select
the
off-line
controller
and
click
Advanced
Recovery
Place
controller
online.
18.
Verify
the
state
of
the
LEDs
on
the
newly
inserted
controller.
See
You
can
also
use
the
DS4000
Storage
Manager
client
Subsystem
Management
window
to
identify
any
new
faults.
Do
any
storage
subsystems
have
a
fault
(Needs
Attention)
status?
v
Yes
–
Select
the
Recovery
Guru
toolbar
button
in
the
Subsystem
Management
window,
and
complete
the
recovery
procedure.
If
the
problem
persists,
contact
your
IBM
service
representative.
v
No
–
Go
to
step
19.
If
you
also
replace
the
controller
cache
battery
backup
unit,
reset
the
battery
age
in
the
DS4200
Express
Subsystem
Management
window.
Refer
to
the
online
help
for
instructions
on
how
to
reset
the
battery
age,
if
required.
20.
Use
the
DS4000
Storage
Manager
client
software
to
a
new
storage
subsystem
profile.
Working
with
hot-swap
EV-DDMs
This
section
explains
how
you
can
increase
the
storage
subsystem
capacity
by
adding
more
EV-DDMs
or
by
replacing
existing
EV-DDMs
with
ones
that
have
a
larger
capacity.
Before
you
begin,
complete
the
following
tasks:
v
Read
the
safety
and
handling
guidelines
in
and
in
v
Ensure
that
your
current
system
configuration
is
working
properly.
v
Back
up
all
important
data
before
you
make
changes
to
data
storage
devices.
Before
you
install
or
remove
drive
CRUs,
review
the
following
information:
v
Blank
trays:
A
storage
subsystem
without
a
full
set
of
EV-DDMs
(16)
contains
blank
trays
in
the
unused
drive
bays.
Before
installing
new
EV-DDMs,
you
must
remove
these
empty
trays.
Save
the
empty
trays
for
future
use.
Each
of
the
16
bays
must
always
contain
either
a
blank
tray
or
a
hot-swap
EV-DDM.
For
proper
cooling
and
EMC
protection,
do
not
leave
a
drive
slot
open
without
either
a
drive
blank
or
an
EV-DDM
CRU
inserted.
v
EV-DDM
CRUs:
–
The
DS4200
Express
Storage
Subsystem
drive
channel
operates
at
either
2
or
4
Gbps
fibre
channel
interface
speed.
The
DS4200
Express
Storage
Subsystem
SATA
EV-DDM
CRUs
have
an
ATA
translator
card
that
converts
EV-DDM
3
Gbps
SATA
drive
interface
protocol
to
either
2
Gbps
or
4
Gbps
fibre
channel
interface
protocol.
It
is
recommended
that
the
DS4200
Express
enclosure
speed
is
set
at
4
Gbps
when
these
SATA
EV-DDM
CRUs
are
installed
and
connected
to
storage
expansion
enclosures
running
at
4
Gbps
speed.
The
Link
Rate
setting
speed
must
be
set
accordingly.
See
for
more
information.
–
When
adding
EV-DDM
CRUs,
if
you
are
not
installing
all
16
EV-DDM
CRUs
into
the
storage
subsystem,
install
the
EV-DDM
CRUs
from
left
to
right
consecutively.
–
For
optimum
performance,
never
insert
a
EV-DDM
into
a
storage
subsystem
without
first
confirming
its
drive
firmware
level.
In
the
event
of
a
drive
firmware
mismatch,
schedule
down
time
as
soon
as
possible
to
upgrade
the
drive
110
IBM
System
Storage
DS4200
Express
Storage
Subsystem:
Installation,
User’s
and
Maintenance
Guide
Содержание TotalStorage DS4200
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