erjcan
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what if the whole region goes down? HA and DR recovery will not work in this case

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More Posted time:Sep 17, 2021 23:59 PM
“If your applications require high disaster recovery capabilities, we recommend that you deploy your instances in different zones of the same region.” - this is from the docs https://www.alibabacloud.com/help/doc-detail/40654.html



i dont understand why this is recommended by Alibaba, what happens if the whole region goes down? in aws they recommend to spread over regions , not only zones. only this will ensure complete disaster recovery.
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