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Reduce your Azure Bill by moving Blob Snapshots and Versions to a Cheaper Access Tier

Arvind Narendrakumar

Oct 28, 2021

Category: Azure Storage

In this blog post we are going to talk about an important and useful feature in Cerebrata which will help you to change the access tier of the blobs along with its snapshots and versions in bulk.  

Problem

Blob snapshots and versions gives you an ability to maintain a history of blob modifications in your storage account. While process of creating blob snapshots is a manual one, blob versions are created automatically anytime a blob is modified. If not checked, this could lead to a substantial increase in your Azure Storage costs. 

Solution

Changing Access Tier – Bulk Operations

Cerebrata provides an option to change the access tier of the blobs along with their snapshots and version access tier in bulk. You can select any number of blobs inside the blob container and can prompt for changing the access tier where the application provides an option to change the access tier of the blobs along with snapshots and version to different access tier. There will be an option to select other access tier based on their current access tier (For Eg: If the current access tier of the blob is “Hot” you can change them to either “cool” or “Archeive” access tier). Similarly the access tier of the snapshots and versions can also be changed based on their current access tier. 

Cerebrata also provides an option to specify the rehydrate policy if the current access tier of the blob is “Archive” and needs to be changed to “Hot” or “Cool” access tier. The change in access tier from “Archive” to other access tiers is possible only at the blob hierarchy where the snapshots and versions which have their access tiers as “Archive” cannot be changed. This feature in the application will change the access tier of the blobs along with snapshots and version access tier in bulk which makes an easy process which does a huge operation with less time. 

Azure Blob Storage snapshot

Changing blob access tier

How do we do it in Cerebrata

To change the access tier of the blobs along with their snapshots and version access tier you should navigate to the connected Storage Account -> Created Blob Container -> Select any number of blobs inside the blob container whose access tier needs to be changed -> select Access tier option in the top panel or press Ctrl + I keyboard shortcut keys -> specify the changes in the access tier according to their current access tier -> click submit button. The operation will be done through the background tasks and you can refresh the blob container to view the replicated changes.