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How many Prism Central Needed for PRD & DR?

  • 18 September 2023
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L
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Dears:

 

Currently, we have 3 node cluster in PRD site. Now we plan to build the DR ability to build a multiple node cluster in DR site.

 

We have one PC instance in PRD site now. My question is: In order to use protection policy to replicate PRD data to DR site(We plan to use nearSync), do we need to create a new PC instance in DR site?

It seems one PC could manage multiple PEs, so one PC instance is enough. But what’s the function for DR site PC? Is it a mechanism to sync data from PRD PC to DR PC?

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Best answer by gael01 19 September 2023, 10:19

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We have one PC instance in PRD site now. My question is: In order to use protection policy to replicate PRD data to DR site(We plan to use nearSync), do we need to create a new PC instance in DR site?*

It’s not PC linked so you can configure it without creating a new PC instance.

In your case you may configure a async/nearsync DR protection domain only for your Prism Central instance.

 

It seems one PC could manage multiple PEs, so one PC instance is enough. But what’s the function for DR site PC? Is it a mechanism to sync data from PRD PC to DR PC?

You right, 1 PC can manage multiple PEs.

DR Site PC is a high availability feature for PC only. For example, if you got 1 PC that manage all PEs and you lost it, it will remain online/up on another site. It depends on your needs actually, if you can afford to loose or not your PC.

 

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