IBM Partner Pavilion DS4100 User Manual
Page 90
Attention:
In
the
initial
installation
of
the
DS4100,
you
can
add
only
new
expansion
units
to
the
DS4100
storage
server.
This
means
that
there
must
be
no
existing
configuration
information
on
the
expansion
unit
that
you
want
to
install.
If
the
expansion
unit
that
you
want
to
install
currently
contains
logical
drives
or
configured
hot
spares,
and
you
want
them
to
be
part
of
the
DS4100
storage
server,
refer
to
the
IBM
TotalStorage
DS4000
Hard
Drive
and
Storage
Expansion
Enclosure
Installation
and
Migration
Guide.
Improper
drive
migration
might
cause
loss
of
configuration
and
other
storage
server
problems.
Contact
your
IBM
support
representative
for
additional
information.
To
connect
a
single
additional
expansion
unit
to
the
storage
server,
perform
the
following
steps:
Note:
The
following
procedures
are
for
″cold-case″
procedures
(the
DS4100
is
powered
down
when
expansion
units
are
connected,
as
in
the
case
of
a
new
installation).
For
″hot-case″
procedures
(the
DS4100
is
powered
on
when
expansion
units
are
connected),
see
You
can
also
refer
to
the
IBM
TotalStorage
DS4000
Hard
Drive
and
Storage
Expansion
Enclosure
Installation
and
Migration
Guide.
1.
Follow
the
instructions
in
your
expansion
unit
installation
manual
to
set
up
and
mount
the
new
expansion
unit.
2.
Use
the
following
procedure
and
to
connect
a
single
expansion
unit
to
the
storage
server:
a.
Ensure
that
the
enclosure
ID
switch
on
the
new
expansion
unit
is
set
to
a
value
different
than
the
value
set
for
the
DS4100
and
any
other
expansion
units
in
the
loop.
Also
ensure
that
the
link
speeds
of
the
expansion
units
are
set
to
2
Gbps.
See
Note:
When
connecting
the
DS4100
to
DS4000
EXP100
storage
expansion
units,
do
not
use
the
tens
digit
(x10)
setting.
Use
only
the
ones
digit
(x1)
setting
to
set
unique
server
IDs
or
enclosure
IDs.
For
more
information,
see
b.
Use
a
fiber-optic
cable
to
connect
to
the
FC-Expansion
Units
port
on
the
left
RAID
controller
in
the
storage
server
to
the
In
port
on
the
left
ESM
board
of
the
expansion
unit.
c.
Use
a
second
fiber-optic
cable
to
connect
the
FC-Expansion
Units
port
on
the
right
RAID
controller
in
the
storage
server
to
the
Out
port
on
the
right
ESM
board
of
the
expansion
unit.
58
IBM
TotalStorage
DS4100
Storage
Server:
Installation,
User’s,
and
Maintenance
Guide