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Azure Data Lake Storage
An Azure service that provides an enterprise-wide hyper-scale repository for big data analytic workloads and is integrated with Azure Blob Storage.
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Kindly go through this documentation for more details- https://learn.microsoft.com/en-us/azure/storage/blobs/lifecycle-management-overview?source=recommendationsAlso, Setting or changing a blob's tier as per doc- https://learn.microsoft.com/en-us/azure/storage/blobs/access-tiers-overview?source=recommendations
To explicitly set a blob's tier when you create it, specify the tier when you upload the blob.
After a blob is created, you can change its tier in either of the following ways:
By calling the Set Blob Tier operation, either directly or via a lifecycle management policy. Calling Set Blob Tier is typically the best option when you're changing a blob's tier from a warmer tier to a cooler one.
Note
You can't rehydrate an archived blob to an online tier by using lifecycle management policies.
By calling the Copy Blob operation to copy a blob from one tier to another. Calling Copy Blob is recommended for most scenarios where you're rehydrating a blob from the archive tier to an online tier, or moving a blob from cool or cold to hot. By copying a blob, you can avoid the early deletion penalty, if the required storage interval for the source blob hasn't yet elapsed. However, copying a blob results in capacity charges for two blobs, the source blob and the destination blob.
Changing a blob's tier from a warmer tier to a cooler one is instantaneous, as is changing from cold or cool to hot. Rehydrating a blob from the archive tier to an online tier such as the hot, cool, or cold tier can take up to 15 hours.
Keep in mind the following points when changing a blob's tier:
You can't use Set Blob Tier to archive a a blob that uses an encryption scope. You can only use Set Blob Tier to move between online access tiers. For more information about encryption scopes, see Encryption scopes for Blob storage.
If a blob is explicitly moved to the cool or cold tier and then moved to the archive tier, the early deletion charge applies.
If a blob is explicitly moved to the cool or cold tier and then moved to the archive tier, the early deletion charge applies.
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