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Virtual Server Agent - Delete Snapshot Duration greater than 30 minutes - Completed w/ one or more errors

  • July 2, 2025
  • 4 replies
  • 89 views

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V11 SP36

 

I have this situation where we take a VSA backup of VmWare servers, the deletion of the snapshot can take sometime for two or three servers and causes a warning, when in reality the backup is fine

 

The Delete Snapshot can take one or two hours, as a consequece the Commvault seems to register the ‘Delete Snapshot Duration’ as 30 minutes and a few seconds

 

 

In this case the snapshot was deleted after 55 minutes

Is there any setting or something else, that could override the warning message?

Thanks

 

Mark

 

Best answer by RubeckDK

Hi.. 

 

I would try to add this additional setting and set a desired value…  
https://documentation.commvault.com/additionalsetting/nmaxwaitfortaskattempts.html 

 

/RubeckDK

4 replies

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  • Vaulter
  • July 3, 2025

Hi Mark,

The 30minute deletion time is likely a time out on waiting for the task to complete.
As you may know, the core issue would be with the VM, either being high activity or perhaps having a large snapshot tree.

Unfortunately we do not have an additional setting for snapshot deletion time based errors.
I would suggest either contacting VMware to rectify the core issue or speak to your account manager about having the ability to suppress the warning added as a feature.

Cheers,
 


RubeckDK
Novice
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  • Novice
  • Answer
  • July 3, 2025

Hi.. 

 

I would try to add this additional setting and set a desired value…  
https://documentation.commvault.com/additionalsetting/nmaxwaitfortaskattempts.html 

 

/RubeckDK


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  • Author
  • Novice
  • August 13, 2025

Thank you for the replies

The additional setting  nMaxWaitForTaskAttemptswas added and tweaking to a value that allows the snapshot deletion to complete has made my backup now green

The real issue here is a backup to dump (4TB) of an Oracle database by a 3rd party company, who tell me it is not possible to use the Commvault agent (sceptical, but I can only fight so far, have no access), I’m sure others here know this 


Ralph
Vaulter
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  • Vaulter
  • August 13, 2025

@jracjdb2 
The snapshot size of 73 GB is the main issue. What happens insite of the VM during the backup of the VM? Avoid runing the VM backup in parallel with creating the Oracle DB backup dump.

Regards,
Ralph