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Cataloging a Tape and Hyper-V Support

  • July 22, 2025
  • 6 replies
  • 48 views

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Hello all,

In a recent maintenance update, Commvault fixed the Catalog and Merge functions, but we are still experiencing issues with the Restore functionality. There is no option to restore a VM to a Hyper-V standalone host using VSA. It asks for a proxy (presumably for VMware), and there is no option for Hyper-V.

Commvault support has not been forthcoming. They claim that Hyper-V is supported, but we don’t see how.  When we ask for instructions, they just ask for logs — which they already have.

 

Has anyone else tried to catalog and merge a tape and restore VMs in a Hyper-V environment?

6 replies

CV_GK
Vaulter
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  • Vaulter
  • July 23, 2025

Hi ​@DTO 

In which CV version did you try above steps?


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  • Author
  • Byte
  • July 23, 2025

Hallo ​@CV_GK 

 

11.36.60 clean install


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  • Vaulter
  • July 23, 2025

Hi DTO,

I’m not familiar with the catalog/merge side of things but when Commvault references a VSA proxy in regards to Hyper-V this is a VSA agent installed on the Hyper-V host. Hyper-V is unique to other VSA infrastructure because the VSA package is installed on the host but it may still reference a proxy/access node with software on the host.

If you have a screenshot of the proxy prompt I might be able to shed more light.


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  • Author
  • Byte
  • July 24, 2025

Hallo  ​@Jace Ross 

We and our Commvault partner had the same assumption, but it didn’t work. We just had a call with Commvault at a higher support level, and it was confirmed that Hyper-V is NOT supported with the Catalog and Merge functions. This cost us several months of work to set up and test the environment — even with Commvault support involved. Others could avoid this if the correct information were clearly documented.

I sincerely hope this feature will be implemented in the future, as the Catalog option is a critical component of a true on-prem DR solution using tapes. This limitation will certainly influence our decision when choosing a backup solution going forward.

Thank you for your response nonetheless.


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sadly the lower levels tell you it is supported


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  • Vaulter
  • July 24, 2025

Hallo  ​@Jace Ross 

We and our Commvault partner had the same assumption, but it didn’t work. We just had a call with Commvault at a higher support level, and it was confirmed that Hyper-V is NOT supported with the Catalog and Merge functions. This cost us several months of work to set up and test the environment — even with Commvault support involved. Others could avoid this if the correct information were clearly documented.

I sincerely hope this feature will be implemented in the future, as the Catalog option is a critical component of a true on-prem DR solution using tapes. This limitation will certainly influence our decision when choosing a backup solution going forward.

Thank you for your response nonetheless.

Thank you for following up. As I mentioned earlier, cataloging isn’t a process I’m familiar with which is why I was unable to offer more sound advice.

For adding the capability in the future I would suggest mentioning it to your account manager who can look to add it for a future release.

i would also suggest, if possible, to ask your support engineer to lodge a change to documentation because it does seem to imply Commvault does have this functionality in the “Restoring merged backup data” page.