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on 08-23-2018 08:35 AM
There are six support centers and eight data center pairs for a total of 16 data centers. ServiceNow’s data centers are arranged in pairs. Their data center pairs span five continents:
Asia
Australia
Europe
North America
South America
All customer production data is stored in both data centers and kept in sync using real-time database replication. Both data centers are active at all times, each with the ability to support the combined production load of the pair. A production instance for one customer may be primary out of one data center in the pair while a production instance for another customer may be primary from the other.
ServiceNow maintains continuous, asynchronous replication from the database in the current primary data center (read-write) to the secondary data center (read-only). To transfer a customer instance from a primary to a secondary data center, ServiceNow designates the secondary to be the primary and the primary to be the secondary.
Reference: servicenow.com
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That’s a solid breakdown. Do customers actually get to choose their data center pair, or is it something ServiceNow handles automatically? I tried to learn more but couldn’t find a clear answer.