Working with multienclosure vc domains – HP Virtual Connect Enterprise Manager Software User Manual

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Working with multienclosure VC Domains

VCEM supports multienclosure VC Domains. A multienclosure VC Domain is a VC Domain with
one local enclosure and up to three remote enclosures. VCEM supports VC Domains with up to
four BladeSystem c7000 enclosures.

Within each enclosure of a multienclosure domain, the VC Ethernet Modules must follow the same
configuration rules as VC Domains with single enclosures. However, each enclosure within the VC
Domain might have a different configuration of Ethernet modules. Stacking links must enable
Ethernet packets to reach all Ethernet modules within the VC Domain. All enclosures in a
multienclosure VC Domain must have the same Virtual Connect Fibre Channel Module configuration.
See

“Related information” (page 151)

for documents that can have more information on “stacking

links.”

Figure 15 (page 43)

illustrates a valid configuration of Ethernet and Fibre Channel Virtual Connect

modules in a VC Domain with multiple enclosures. The black lines linking the Ethernet modules
illustrate the stacking links.

VCEM supports VC Domain Groups containing VC Domains with multiple enclosures, and enables
the VC Domains to contain different numbers of enclosures, as long as each VC Domain contains
the minimum number of enclosures. The Ethernet uplinks define the minimum number of enclosures.
The enclosure with a defined Ethernet uplink port defines the minimum number of enclosures.

In this example, the minimum number of enclosures is two. The second enclosure is the last enclosure
that contains Ethernet uplink ports.

Figure 15 Valid configuration of Ethernet and Fibre Channel VC modules

As in earlier versions of VCEM, all VC Domains within a VC Domain Group must have the same
hardware configuration. VCEM enables each enclosure within a VC Domain with multiple enclosures
to have a different Virtual Connect Ethernet module configuration, but it requires the same Virtual
Connect Ethernet Module configuration across the VC Domain Group members. The base enclosure
of every VC Domain within one VC Domain Group must have the same VC Ethernet module
configuration. Similarly, every VC Domain that has more than one enclosure must have the same
VC Ethernet module configuration in the second enclosure. The same rules apply to the third and
fourth enclosures.

Figure 16 (page 44)

illustrates a VC Domain Group containing VC Domains with different numbers

of enclosures.

Working with multienclosure VC Domains

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