Secondary Copy - Migration from Tapes to Azure Storage

  • 4 August 2022
  • 2 replies

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Hi Guys, Our on-premises Commvault infrastructure is with 2x Media Agents, 1x Tape Library, and few proxies. The backups - Primary on disks and the Secondary on Tapes. 

We are planning to migrate the Secondary copies over to Azure Storage and here’s our plan,

  • Placing Media Agent in Azure 
  • Placing DDB in Azure (on Media Agent)
  • Switching Auxiliary Job
  • Migrating old data from tapes to Azure

Please provide some guidance and best practise on this.

Thanks in advance.


Best answer by Damian Andre 4 August 2022, 07:56

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Hi Jag,

Very common use case!


Any reason why you are placing a Media Agent in Azure? your on-premises MA’s can write directly to Azure cloud storage without any running infrastructure in Azure itself. When you create the cloud library use your on-premises MAs, and when you create the plan / storage policy use the same MAs for the DDB for secondary copy too.

If you plan to recover inside of Azure from your secondary copy located in Azure, then it would make more sense to have a Commvault Media Agent in the cloud to facilitate that - otherwise its just additional cost.

There is a whole host of best practices and guidance in the Microsoft Azure Architecture Guide - recommend having a read of that!

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Hi Damian,

Thanks heaps. We wanted to make it future proof allowing DR in Azure and Azure VM backup too.