Types of Storage in Azure

There are four types of storage available in Azure

Locally redundant storage (LRS)
Zone-redundant storage (ZRS)
Geo-redundant storage (GRS)
Read-access geo-redundant storage (RA-GRS)

The following table provides a quick overview of the differences between LRS, ZRS, GRS, and RA-GRS, while subsequent sections address each type of replication in more detail.

Replication strategy	LRS	ZRS	GRS	RA-GRS
Data is replicated across multiple facilities.	No	Yes	Yes	Yes
Data can be read from the secondary location as well as from the primary location.	No	No	No	Yes
Number of copies of data maintained on separate nodes.	3	3	6	6

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