This helps insulate against failures like if one rack loses power (like if a power strip goes bad or a circuit breaker blows). In the one copy in one region in Backblaze B2, any file is "sharded" across 20 different servers in 20 different racks in 20 different locations inside that datacenter. So if this kind of redundancy is important to you for mission critical reasons Backblaze B2 would only be half as expensive as one copy in Amazon S3, not 1/4 as expensive. To get a copy in two locations you have to pay twice as much and take some actions. To be absolutely clear, if you only upload and store and pay for 1 copy of your Backblaze B2 data, it is living in one region. Quietly the US-West is actually three separate data centers, but your data will only really land in 1 datacenter somewhere in US-West based on a few internal factors. Last I checked, Backblaze still stores most data in 1 location, no?īackblaze now has multiple regions! One in Europe (Netherlands) and one is called "US-West".
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