Lifecycle management in your storage account

One feature that is not very highlighted but that can help you to save money is the Lifecycle management, for your blob datas. The full documentation is available here: Configure a lifecycle management policy – Azure Storage | Microsoft Learn

The lifecycle management policy is very easy to use, and, you can apply many policies in one storage.

In this example, I have a blob storage, with 3 files inside. As you can see, because I just accessed them, they are in hot storage. So here, I will pay approximatively 20€/month/TB. For cool, it will cost 10.44€ and for Archive, 2.86€. As you can see, it is a big difference between Hot and Archive, so use it

In your storage account, go to Data Management> Lifecycle management. Add a new rule. In my example, I will apply the rule to all blob:

If the file has been modified more than 1 day ago, I will move it to cold storage:

After one day without modifying files, they have been moved automatically to the cold storage:

I created a new rule to say that if a file has not been modified for five days more, I move it to the archive. If it is a rehydrated file, we wait 7 days:

Here are my 2 rules:

After 5 days, they have been moved automatically to archive storage, and I will pay less than before

You have 2 other options, like deleting the blob or moving to a cool storage, and, moving back to the hot tier if the file has been accessed.

You can also add filters, to apply a rule to a specific folder.

As you can see, Microsoft provides a great feature, for free, to save money, so why not use it? you just need to create your rules on papers before, and implement them. You can apply them through a policy too, for all of your storages in your tenant.

Related materials:

• [Azure] Backup Your Blob Storage with Backup Center
• Move Microsoft Sentinel Logs to Azure Storage

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