Perform
the
following
steps
to
install
the
SAN
Volume
Controller
2145-8F4
or
the
SAN
Volume
Controller
2145-8F2
node
in
the
rack:
1.
Stand
at
the
front
of
the
rack
and
place
the
back
of
the
node
onto
the
support
rails,
as
low
in
the
rack
as
possible.
2.
Slide
the
node
fully
into
the
rack.
The
node
snaps
into
place.
3.
Repeat
this
procedure
for
each
SAN
Volume
Controller
2145-8F4
or
the
SAN
Volume
Controller
2145-8F2
node
that
needs
to
be
installed.
Tip:
If
you
have
available
space,
leave
a
1
space
between
each
node
to
improve
the
air
circulation
in
the
rack.
Connecting
the
SAN
Volume
Controller
2145-8F4
or
the
SAN
Volume
Controller
2145-8F2
to
the
2145
UPS-1U
Before
you
connect
the
SAN
Volume
Controller
2145-8F4
or
the
SAN
Volume
Controller
2145-8F2
node
to
the
2145
uninterruptible
power
supply-1U
(2145
UPS-1U),
review
the
restrictions
that
exist
between
the
two
systems.
Note:
To
make
the
SAN
Volume
Controller
cluster
more
resilient
to
power
failure,
the
2145
UPS-1Us
can
be
connected
to
the
redundant
ac
power
switch.
If
a
redundant
ac
power
switch
is
not
used,
connecting
the
two
UPSs
that
are
powering
an
I/O
group
to
different,
independent
electrical
power
sources
allows
the
SAN
Volume
Controller
cluster
to
continue
to
operate
with
reduced
capacity
if
a
single
power
source
fails.
Before
you
begin
this
task,
see
the
user’s
cable
connection
table,
which
is
provided
in
the
IBM
System
Storage
SAN
Volume
Controller:
Planning
Guide
and
is
also
available
at
http://www.ibm.com/storage/support/2145.
Use
this
table
to
identify
the
2145
UPS-1U
to
which
this
SAN
Volume
Controller
2145-8F4
or
SAN
Volume
Controller
2145-8F2
is
to
be
connected.
Perform
the
following
steps
to
connect
the
SAN
Volume
Controller
2145-8F4
or
the
SAN
Volume
Controller
2145-8F2
to
the
2145
UPS-1U:
1.
At
the
back
of
the
SAN
Volume
Controller
2145-8F4
or
the
SAN
Volume
Controller
2145-8F2,
plug
the
combined
power
and
serial
cable
into
the
power
connector
2
.
See
92
IBM
System
Storage
SAN
Volume
Controller:
Hardware
Installation
Guide
Summary of Contents for 2145UPS-1U
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