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How do you define a "close-by data center" when setting up the system replication

Oct 16, 2017 at 03:21 AM


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Recently I'm being asked by a customer if they can change the replication mode of tier2-tier3 from async to sync as it's been supported from SPS12 and any detail spec. I checked the administration guide and the definition is you can configure tier2-tier3 with sync when "Tier 3 is used for disaster recovery in a second close-by data center." But how do we definite "close-by data center"? Any detail spec or limitation? Like how far is it between tier2 and tier3? And any network bandwidth limitation?



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Michael Healy
Oct 16, 2017 at 08:48 AM

Synchronous replication only supports distances of up to 100 km. Async should be used for distances over 100kms.

A simple google search brought me here, which lists all the limitations.

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Thanks Michael for the quick reply, your words and the document will help.