How many copies of data exist when you use Locally-redundant storage (LRS)?
Experience Level: Senior
Tags: Azure CloudAzure Storage
Answer
3 copies.
Locally Redundant Storage (LRS) provides highly durable and available storage within a single location (sub region). Azure maintains an equivalent of 3 copies (replicas) of your data within the primary location as described in SOSP paper; this ensures that Azure can recover from common failures (disk, node, rack) without impacting your storage account’s availability and durability.
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