Azure Storage Redundancy

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AZURESTORAGE

Related to [[202404091859 Azure Storage Account]] and [[202404071304 Resiliency Overview|resiliency]]

Talks about redundancy for [[202404091859 Azure Storage Account|Azure storage account]]

Primary Region

Locally redundant storage (LRS)

3 copies in the same stamp/[[202404081830 Azure Availability Zones|AZ]]

Zone-redundant storage (ZRS)

3 copies in different [[202404081830 Azure Availability Zones|AZs]]

Secondary Region

Geo-redundant storage (GRS)

3 copies in a single location/[[202404081830 Azure Availability Zones|AZ]] and then 1 async copy in a different location in secondary region In secondary region, using LRS 3 copies. Also Read Access (RA-GRS)

Geo-zone-redundant storage (GZRS)

3 copies in 3 [[202404081830 Azure Availability Zones|AZs]] and 1 async copy to different location in secondary region/In secondary region, using LRS 3 copies. Also RA-GZRS

Block blob only object level replication

You can specify a different region to replicate to. Not just the secondary region.


references:

https://learn.microsoft.com/en-in/azure/storage/common/storage-redundancy