Stacking Virtual Connect Flex-10 & Flex-10/10D Modules

[chuckk281]

Mike had a VC module stacking question:

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Customer has an existing enclosure with VC Flex-10 modules.  They want to add second enclosure with the new Flex-10/10D modules and have it join the existing VC Domain.  Will this work? Any issues?  

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Input from Robert:

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A snippet from page 56 of the VC 3.70 User Guide:

Multiple enclosure guidelines

Observe the following guidelines when connecting multiple enclosures:

• • Each enclosure must have at least one supported VC-Enet, Flex-10, or FlexFabric module installed.
• • All VC-Enet, Flex-10, or FlexFabric modules must be interconnected (redundantly stacked).
• • All enclosures must have the same FC and FlexFabric module configuration. For example, if bays 1 and

2 of the Primary Enclosure contain FlexFabric modules, then bays 1 and 2 of Remote Enclosures 1, 2,

and 3 must also contain FlexFabric modules.

• • All enclosures must have the same HP VC Flex-10/10D module configuration. For example, if bays 1

and 2 of the Primary Enclosure contain HP VC Flex-10/10D modules, then bays 1 and 2 of Remote

Enclosures 1, 2, and 3 must also contain HP VC Flex-10/10D modules.

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Reply from Bruno:

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                I was commenting this type of configuration with my colleagues and we still have doubts.

                According to the User guide, there is no distinction between Flex-10 and Flex-10/10D, because there is no separate reference to any of them. It is my understanding that we could indeed  stack one Flex-10 with a Flex10/10D.

                What do you think?

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Comment from Fred:

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Robert’s citation below from the VC 3.70 User Guide is absolutely correct.

• • All enclosures must have the same HP VC Flex-10/10D module configuration. For example, if bays 1

and 2 of the Primary Enclosure contain HP VC Flex-10/10D modules, then bays 1 and 2 of Remote

Enclosures 1, 2, and 3 must also contain HP VC Flex-10/10D modules.

Flex-10 and Flex-10/10D are not equivalent for purposes of stacking or domain configuration.

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Comments or questions?