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You're both partially right. Some regions have random mapping for AZs; all regions since 2012 have static AZ mapping. https://docs.aws.amazon.com/global-infrast
by waiwai933 11mo ago
You're both partially right. Some regions have random mapping for AZs; all regions since 2012 have static AZ mapping. https://docs.aws.amazon.com/global-infrastructure/latest/regions/az-ids.html https://docs.aws.amazon.com/global-infrastructure/latest/reg...
- nevon 11mo agoOh wow. Thanks for telling me this. I didn't know that this was different for different regions. I just checked some of my accounts, and indeed the mapping is stable between accounts for for example Frankfurt, but not Sydney.