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HP Virtual Connect Enterprise Manager Software User Manual

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range. This can result in splitting an existing VCEM WWN exclusion range into two or more
ranges.

For example if VCEM WWN exclusion range for subrange 1 is defined as
50:01:43:80:02:A3:00:00 to 50:01:43:80:02:A3:03:FF, and if WWNs in use by server
profiles are 50:01:43:80:02:A3:00:02, 00-21-5A-9B-00-03, 00-21-5A-9B-00-06, and
00-21-5A-9B-00-07 then you must redefine the VCEM WWN subrange 1 as displayed in

Table 20

:

Table 20 Redefining VCEM WWN subrange 1

End

Start

MAC Exclusion ranges

50:01:43:80:02:A3:00:01

50:01:43:80:02:A3:00:00

Subrange1-part1

50:01:43:80:02:A3:00:05

50:01:43:80:02:A3:00:04

ExclusionSubrange1-part2

50:01:43:80:02:A3:03:FF

50:01:43:80:02:A3:00:08

ExclusionSubrange1-part3

7.

In the target CMS, import VC Domain A into the VC Domain Group. If the VC Domain A
configuration is not identical on the source and target VCEM instances then create a new VC
Domain Group with imported VC Domain A.

For more information, go to:

http://www.hp.com/go/matrixoe/docs

, select the Product

Documentation Quick Link, then look in the White Papers section for the HP Matrix Operating
Environment Federated CMS Overview
White Paper.

Consolidating multiple VCEM instances into a single VCEM instance

Use the following example scenario to transform multiple VCEM standalone instances (VCEM
subranges) into a single VCEM instance (big pool):

Consider that you have 3 central management systems (CMS), CMS#1 is using subrange #1,
CMS#2 is using subrange #2 and CMS#3 is using subrange #3, in a multi-CMS system or in the
Federated HP IO environment. You want CMS#2 to be the only CMS in a single VCEM instance.
1.

At CMS#1, remove the VC Domain A from the VCEM VC Domain Group.

2.

Power off CMS#1. This guarantees that no more than one VCEM instance is using that same
#01 subrange.

3.

At the CMS#2 target, browse to the MAC address management page and remove the MAC
exclusion range #01.

4.

At CMS#2, browse to the WWN management page and remove the exclusion range #01.

5.

At CMS#2, import VC Domain A into the VCEM VC Domain Group.

6.

At CMS#3, remove VC Domain C from VCEM VC Domain Group.

7.

Power off CMS#3. This guarantees that no more than one VCEM instance is using the same
#03 subrange.

8.

At the CMS#2 target, browse to the MAC address management page and remove the MAC
exclusion range #03.

9.

At CMS#2, browse to the WWN management page and remove exclusion range #03.

10. At CMS#2, import VC Domain C into the VCEM VC Domain Group.
11. At CMS#2, remove all other VCEM pre-defined subranges from the exclusion list. This returns

the available addresses into a single large pool.

For more information, go to:

http://www.hp.com/go/matrixoe/docs

, select the Product

Documentation Quick Link, then look in the White Papers section for the HP Matrix Operating
Environment Federated CMS Overview
White Paper.

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Managing MAC and WWN addresses