Fabric Metrocluster - How many dark fibres?

[Willybobs27]

I've looked at various bits of documentation and some suggest 2 dark fibre's, one for each fabric, whilst others show 4 dark fibre's one for each fabric and 2 for the FCVI cluster interconnects.

Which one is correct?

[aborzenkov]

You need dark fibre for each remote shelf connection as well as for FC-VI port. This amounts to two optical pairs for each stack. As stacks should be mirrored, minimum that makes sense is 6 optical pairs between sites.

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04.01.2013, в 20:16, "Willybobs27" <xdl-communities@communities.netapp.com<mailto:xdl-communities@communities.netapp.com>> написал(а):

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Stretch Metrocluster - How many dark fibres?

created by Willybobs27<https://communities.netapp.com/people/Willybobs27> in Data ONTAP - View the full discussion<https://communities.netapp.com/message/97679#97679>

I've looked at various bits of documentation and some suggest 2 dark fibre's, one for each fabric, whilst others show 4 dark fibre's one for each fabric and 2 for the FCVI cluster interconnects.

Which one is correct?

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[RICCO4400]

Hi Willybobs27

If you plan to implement TI zone (Traffic Isolation) you need 4 fiber, if not 2 can be enough

Have a look to TR3548 if you want more information about TI Zone

Regard

[aborzenkov]

So this is fabric ? Initial mail had "stretch" in subject ... Then you need indeed two or four pairs depending on traffic isolation

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04.01.2013, в 22:03, "RICCO4400" <xdl-communities@communities.netapp.com<mailto:xdl-communities@communities.netapp.com>> написал(а):

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Re: Fabric Metrocluster - How many dark fibres?

created by RICCO4400<https://communities.netapp.com/people/RICCO4400> in Data ONTAP - View the full discussion<https://communities.netapp.com/message/97697#97697>

Hi Willybobs27

If you plan to implement TI zone (Traffic Isolation) you need 4 fiber, if not 2 can be enough

Have a look to TR3548 if you want more information about TI Zone

Regard

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