Chapter
3.
Cabling
the
Cluster
1350
Most
of
the
cabling
in
a
Cluster
1350
system
is
installed
during
manufacturing.
However,
there
are
three
instances
where
cables
must
be
installed
at
a
customer
site:
v
Cables
between
cabinets
v
Replacements
for
faulty
cables
v
Cables
to
replacement
components
Any
cable
that
fails
at
the
customer
site
or
is
connected
to
components
that
must
be
replaced
must
be
reconnected
at
the
customer
site.
The
various
types
of
cables
in
the
Cluster
1350
system
perform
functions
such
as
providing
serial
and
Ethernet
connections
to
cluster
components.
Notes:
1.
There
are
additional
color-coded
intercabinet
Ethernet
cables
available
to
help
you
organize
your
cluster
cabling
by
color.
The
current
cable
colors
include
green,
blue,
and
yellow
with
lengths
varying
from
0.6m
to
25m.
These
cables
do
not
replace
previous
Ethernet
cables
but
can
be
used
in
place
of
previous
cables
if
you
prefer
a
color-coded
cabling
scheme.
Contact
your
sales
representative
to
order
additional
color-coded
intercabinet
Ethernet
cables.
2.
In
some
clusters,
the
FRU
interconnect
cables
can
also
be
grey
or
white.
Management
VLAN
The
management
virtual
local
area
network
(VLAN)
provides
VLAN
to
manage
the
components
in
the
cluster.
This
VLAN
includes
the
following
connections:
v
RS-485
connections
to
all
cluster
nodes
and
storage
nodes.
These
enable
diagnostics
and
monitoring
for
the
cluster
and
storage
nodes.
v
Serial
connections
to
all
cluster
components.
These
provide
a
path
for
configuration
of
components
in
the
cluster.
Primary
cluster
VLAN
The
primary
cluster
VLAN
provides
a
10/100/1000
Ethernet
connection
(depending
on
the
selected
VLAN
type)
for
communication
with
cluster
nodes
and
storage
nodes.
This
VLAN
includes
the
following
connections:
v
A
10/100/1000
Mb
Ethernet
connection
to
all
cluster
and
storage
nodes
and
other
components.
This
provides
the
primary
communications
between
the
management
node
and
the
other
components
in
the
cluster.
v
A
Gigabit
Ethernet
trunk
line
(shared
with
the
management
VLAN)
for
certain
VLAN
types
only.
This
serves
as
a
high-speed
trunk
line
for
all
Ethernet
communication
within
the
cluster.
Optional
secondary
cluster
VLAN
The
optional
secondary
cluster
VLAN
provides
a
second
10/100/1000
Ethernet
or
a
Myrinet
switch
(2
Gb
or
4
Gb)
for
communication
with
cluster
and
storage
nodes.
The
following
options
are
available
for
the
secondary
cluster
VLAN:
v
10/100/1000
Ethernet
connection
v
2
Gb
or
4
Gb
Myrinet
connection
©
Copyright
IBM
Corp.
2007
19
Summary of Contents for System Cluster 1350
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