- LRS – Locally redundant storage which means that your data would be redundant within the data center it sits in. There can be multiple data centers within a region so you don’t know exactly where it is but it’ll be redundant within that building. If the building goes away, your data will go away along with it.
- ZRS – Zone redundant storage gives you greater redundancy as your data is replicated within data centers within a region. This would allow your data to survive in the event that your initial data center went away unexpectedly.
- GRS – Geographically redundant storage provides redundancy across a large distance. Think redundancy from Altanta, GA to Seattle, WA. This spans many miles and allows for redundancy in the event an entire region is affected by some outage, like a hurricane on the east coast. The data is not readable on the secondary.
- RA-GRS – Read Accessible geographically redundant storage gives you the ability to read your data from a secondary while being geographically redundant.
SummaryAs you can see, setting up a storage account for any purpose is fairly straight forward and simple. With a couple of mouse clicks, you can easily have storage readily available to upload files to, whether they are family pictures or backups of your production SQL Server databases. Either way, a great solution to get things out of your local data center if needed. Keep in mind that Microsoft is continually pushing updates to the portal so don’t worry if things change slightly over time. Enjoy!
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