DDB verification schedule and Quick verification

Question

Hi CV Experts,

We are on 11.32.59.As per default schedule DDBVerf configured in our environment. It is selected as Quick verification.But in 11.32 documentation, it is mentioned default schedule to run with “verification of existing jobs on disk”.

https://documentation.commvault.com/2023e/expert/verification_of_deduplicated_data.html

Kindly note,we have 1PB of data, so running ‘verification of existing jobs on disk’ shows estimated time to complete as more than one month.Can we run default schedule with Quick verification.Does it identify the corruption or missing in chunks on storage ?

https://documentation.commvault.com/2023e/expert/data_verification_of_deduplicated_data.html

Damian Andre · Accepted Answer

Quick verify is not exhaustive - it looks for the existence of files but does not read the data. Since the data is not read it cannot accuracy locate any data corruption. If you suspect some sort of data corruption or are getting error in your auxiliary copy, then I’d highly recommend “ verification of existing jobs on disk “ instead. If you are not getting auxcopy errors and there is no indication of possible data issues, quick verify should be ok.

AbdulIkram · Answer

Thank you. That helps

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