IBM 26R0881 User Guide - Page 29

Selecting, domains

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configurations, which contain a virtual address for each possible hardware type (Ethernet expansion card or FC expansion card). As a result, when you change the type of blade or expansion card, you do not need to modify the OFM configuration. However, this option makes the configuration file bigger and error validation harder. If you want to generate a configuration that assigns an address to a subset of the ports, you can use the advanced options section. In this section, you can select which type of address to assign to each port. Note: You can not assign FC addresses to ports 1 and 2, because these are the on board Ethernet NICs. v Some Ethernet expansion cards can have a range of MAC addresses per port. The range is defined by specifying two MAC addresses per port: MAC A and MAC B. For example, the JS22 and JS12 onboard HEA Ethernet adapter must use the default values shown below. To set up a range of MAC addresses for a port, click Advanced option, then click Generate range of MAC addresses per port. You will then be able to define the following values: - List of ports to apply to (1-8 consecutive numbers): The default value is 1. - Range size: Enter a range size between 2 and 256. The default value is 16. - Ethernet VLAN for the second MAC address: The default is 0. Note: The above default values will allow the JS22/JS12 onboard HEA Ethernet adapter to use virtual addresses. Even though the 16 MAC range for the onboard HEA adapter is declared via port 1, the actual routing of the 16 MACs is determined by configuration in the OS. v For the NetXen 10 Gb Ethernet Expansion Card for IBM BladeCenter (39Y9271), do not use the Advanced option button to apply Fibre Channel addresses to ports. This will generate errors. v Using the Advanced option, you can also assign addresses to multi-slot blades. To do this, select the slot offset that you wish to assign addresses to, and, in the table for that offset, select the ports and type of address that you would like to assign. The maximum number of addresses that you can assign to any single blade is 32 addresses for a four-slot blade. For more information, see "Multi-slot blades and the port offset parameter" on page 48. v In the Advanced option, you can also define the increment of the assigned addresses. The default is one (by default addresses are assigned sequentially). You can also define the VLAN tag for host-based VLAN tagging. Some Ethernet cards can have two MAC addresses per port. For these, you can elect to assign two MAC addresses. v In the advanced options for the FC section, you can also specify the step increment for the WWN and WWPN. In addition, you can select to create templates for the FC targets. After the file is created, you can edit the configuration file and fill in the correct target WWN and LUN for each slot. Selecting domains In some complex environments, you might need to create separate configuration files for multiple domains. A single OFM configuration corresponds to a single OFM domain, in which duplicated addresses are not allowed. In general, unless you have a special reason to do so, it is recommended that you have one configuration file for the entire domain. This way the AMM will verify that there are no address duplications when you modify the OFM configuration. Chapter 4. Configuring 17

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configurations,
which
contain
a
virtual
address
for
each
possible
hardware
type
(Ethernet
expansion
card
or
FC
expansion
card).
As
a
result,
when
you
change
the
type
of
blade
or
expansion
card,
you
do
not
need
to
modify
the
OFM
configuration.
However,
this
option
makes
the
configuration
file
bigger
and
error
validation
harder.
If
you
want
to
generate
a
configuration
that
assigns
an
address
to
a
subset
of
the
ports,
you
can
use
the
advanced
options
section.
In
this
section,
you
can
select
which
type
of
address
to
assign
to
each
port.
Note:
You
can
not
assign
FC
addresses
to
ports
1
and
2,
because
these
are
the
on
board
Ethernet
NICs.
v
Some
Ethernet
expansion
cards
can
have
a
range
of
MAC
addresses
per
port.
The
range
is
defined
by
specifying
two
MAC
addresses
per
port:
MAC
A
and
MAC
B.
For
example,
the
JS22
and
JS12
onboard
HEA
Ethernet
adapter
must
use
the
default
values
shown
below.
To
set
up
a
range
of
MAC
addresses
for
a
port,
click
Advanced
option
,
then
click
Generate
range
of
MAC
addresses
per
port
.
You
will
then
be
able
to
define
the
following
values:
–
List
of
ports
to
apply
to
(1-8
consecutive
numbers)
:
The
default
value
is
1.
–
Range
size:
Enter
a
range
size
between
2
and
256.
The
default
value
is
16.
–
Ethernet
VLAN
for
the
second
MAC
address:
The
default
is
0.
Note:
The
above
default
values
will
allow
the
JS22/JS12
onboard
HEA
Ethernet
adapter
to
use
virtual
addresses.
Even
though
the
16
MAC
range
for
the
onboard
HEA
adapter
is
declared
via
port
1,
the
actual
routing
of
the
16
MACs
is
determined
by
configuration
in
the
OS.
v
For
the
NetXen
10
Gb
Ethernet
Expansion
Card
for
IBM
BladeCenter
(39Y9271),
do
not
use
the
Advanced
option
button
to
apply
Fibre
Channel
addresses
to
ports.
This
will
generate
errors.
v
Using
the
Advanced
option
,
you
can
also
assign
addresses
to
multi-slot
blades.
To
do
this,
select
the
slot
offset
that
you
wish
to
assign
addresses
to,
and,
in
the
table
for
that
offset,
select
the
ports
and
type
of
address
that
you
would
like
to
assign.
The
maximum
number
of
addresses
that
you
can
assign
to
any
single
blade
is
32
addresses
for
a
four-slot
blade.
For
more
information,
see
“Multi-slot
blades
and
the
port
offset
parameter”
on
page
48.
v
In
the
Advanced
option
,
you
can
also
define
the
increment
of
the
assigned
addresses.
The
default
is
one
(by
default
addresses
are
assigned
sequentially).
You
can
also
define
the
VLAN
tag
for
host-based
VLAN
tagging.
Some
Ethernet
cards
can
have
two
MAC
addresses
per
port.
For
these,
you
can
elect
to
assign
two
MAC
addresses.
v
In
the
advanced
options
for
the
FC
section,
you
can
also
specify
the
step
increment
for
the
WWN
and
WWPN.
In
addition,
you
can
select
to
create
templates
for
the
FC
targets.
After
the
file
is
created,
you
can
edit
the
configuration
file
and
fill
in
the
correct
target
WWN
and
LUN
for
each
slot.
Selecting
domains
In
some
complex
environments,
you
might
need
to
create
separate
configuration
files
for
multiple
domains.
A
single
OFM
configuration
corresponds
to
a
single
OFM
domain,
in
which
duplicated
addresses
are
not
allowed.
In
general,
unless
you
have
a
special
reason
to
do
so,
it
is
recommended
that
you
have
one
configuration
file
for
the
entire
domain.
This
way
the
AMM
will
verify
that
there
are
no
address
duplications
when
you
modify
the
OFM
configuration.
Chapter
4.
Configuring
17