IBM Partner Pavilion DS4100 User Manual
Page 117
2.
Use
the
DS4000
Storage
Manager
client
to
check
the
status
of
the
storage
server.
Correct
any
problems
that
are
reported.
3.
Perform
a
complete
backup
of
the
drives
that
you
are
replacing.
You
need
the
backup
to
restore
data
on
the
drives
later
in
this
procedure.
Attention:
When
you
handle
static-sensitive
devices,
take
precautions
to
avoid
damage
from
static
electricity.
For
details
about
handling
static-sensitive
devices,
see
4.
Unpack
the
new
drives.
Set
the
drives
on
a
dry,
level
surface
away
from
magnetic
fields.
Save
the
packing
material
and
documentation
in
case
you
need
to
return
the
drives.
5.
Perform
the
following
steps:
a.
Stop
all
I/O
activity
to
the
storage
server
and
attached
expansion
units.
Make
sure
that:
1)
All
of
the
green
Drive
activity
LEDs
on
the
front
of
the
storage
server
(and
on
all
attached
expansion
units)
are
not
flashing.
2)
The
green
Cache
active
LEDs
are
off
on
the
front
of
the
RAID
controllers.
b.
If
applicable,
use
the
operating
system
software
to
disconnect
the
storage
server
logical
drives
from
the
host
before
you
power
off
the
storage
server.
Attention:
To
turn
off
all
power
to
the
storage
server,
you
must
turn
off
both
power-supply
switches
and
disconnect
both
power
cords.
Use
the
procedure
in
step
for
the
proper
shutdown
sequence.
6.
Turn
off
the
power
to
each
device
based
on
the
following
shutdown
sequence:
a.
Turn
off
power
to
the
host
before
you
turn
off
power
to
the
storage
server.
If
the
host
must
stay
powered
on
to
support
an
existing
network,
see
the
operating
system
documentation
for
information
about
disconnecting
the
storage
server
logical
drives
from
the
host
before
the
storage
server
is
powered
off.
b.
Turn
off
power
to
the
storage
server
before
you
turn
off
power
to
the
expansion
units.
Turn
off
both
power
supply
switches
on
the
back
of
the
storage
server.
c.
Turn
off
power
to
other
supporting
devices
(for
example,
management
stations,
fibre-channel
switches,
or
Ethernet
switches).
Notes:
1)
You
do
not
need
to
perform
this
step
if
you
are
servicing
only
the
storage
server.
2)
Depending
on
your
operating
system,
you
might
not
have
to
restart
the
host.
For
more
information,
see
the
software
installation
guide
for
your
operating
system.
7.
Use
the
procedures
in
to
remove
the
drives
that
you
want
to
replace.
Use
the
procedures
in
to
install
the
new
drives
into
the
storage
server.
8.
After
you
install
all
the
new
drives,
check
the
system
documentation
for
the
hardware
devices
that
you
intend
to
power
up,
and
then
determine
the
proper
startup
sequence.
Use
the
following
power-on
sequence,
where
applicable:
a.
Turn
on
the
power
to
the
supporting
devices
(for
example,
Ethernet
switches
and
management
stations)
before
you
turn
off
power
to
the
storage
server.
Chapter
5.
Installing
and
replacing
components
85