Azure Backup

Gabriel Moraes 160 Reputation points
2024-04-19T15:43:48.79+00:00

Hello! The question would be about retaining Azure Backup for long periods. For example, we have a new customer who requested a 5-year retention period for at least every backup performed daily.

My question is based on the cost of this Backup, because in the Calculator we see the following message: "If backups are retained for 26 weeks or about 6 months or more, the calculator assumes that the file storage tier has been enabled for economical storage."

Can we trust this message and stick with it for the long haul? Because the cost doesn't change much. And if applied, is the restore as expensive as a file restore to an Azure Blob Storage tier file?

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  1. SadiqhAhmed-MSFT 37,921 Reputation points Microsoft Employee
    2024-04-19T19:59:17.9033333+00:00

    Hello @Gabriel Moraes Thank for contacting us through Microsoft Q&A platform. Happy to answer any questions you may have!

    Yes, you can trust the message in the Azure Pricing Calculator that states that if backups are retained for 26 weeks or more, the file storage tier has been enabled for economical storage. This means that the backup data will be stored in the Azure Files Cool tier, which is a lower-cost storage option for infrequently accessed data.

    Enabling the file storage tier for backups that are retained for long periods can help reduce the cost of the backup solution. However, it is important to note that restoring data from the Cool tier can be more expensive than restoring data from the Hot tier, which is the default storage tier for Azure Backup. This is because there is a data retrieval fee for restoring data from the Cool tier.

    When restoring data from the Cool tier, you will be charged for the amount of data retrieved and the number of transactions used to retrieve the data. The cost of restoring data from the Cool tier can vary depending on the amount of data being restored and the frequency of the restores.

    If you are concerned about the cost of restoring data from the Cool tier, you may want to consider using the Azure Backup Instant Restore feature, which allows you to restore data directly from the backup data without having to first copy it to a storage account. This can help reduce the cost of restoring data from the Cool tier.

    Hope this helps. Feel free to reply if you have any questions in this matter.

    If the response helped, do "Accept Answer" and up-vote it

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