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A comment on Google is moving EU citizens’ data to US?. Parent comment

Re:Google is moving EU citizens’ data to US? by inetknght on Tuesday February 25, 2020 @02:25PM (#22416397)
> If one data center burns down or is taken offline for other reason your data needs to be somewhere else.

Somewhere else doesn't necessarily need to be "in different jurisdiction"

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Re:Google is moving EU citizens’ data to US? by SAI_Peregrinus on Tuesday February 25, 2020 @03:55PM (#22417333)
No, but ideally (and especially for live failover datacenters) it should be in a different wide-area synchronous grid segment[1] to prevent issues in the event of large disasters. For datacenters in the EU that means having a backup outside the continental EU, which has meant Ireland or Great Britain if they want to stay within the EU jurisdiction. With the UK leaving that means just Ireland.

Other disaster recovery concerns also mean that having large geographical distance between datacenters is a good idea. This can lead to jurisdictional issues, which need to be addressed when building the system.

[1] https://en.wikipedia.org/wiki/Electrical_grid#Wide_area_sync...

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