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Question regarding Size vualues on mount path for a particular cloud s3 library

  • July 8, 2025
  • 1 reply
  • 35 views
B
Byte
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Hello,

What is the difference between 

Size on Disk and Estimated Valid Data Size

AWS team see a little more than 900 TB on the bucket

 

Thanks !

Best answer by Sureshkumar S

Hi ​@BloopaAgain ,

Good day!

Estimated Media Size :The total size of all primary record items.

Size on Disk : The sum of the total unique data size + (metadata size + nondeduplicated data) for all backup jobs.

Ref: https://documentation.commvault.com/2024e/essential/health_report_ddb_performance_and_status.html

Regards,

Sureshkumar S

1 reply

S
Vaulter
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Hi ​@BloopaAgain ,

Good day!

Estimated Media Size :The total size of all primary record items.

Size on Disk : The sum of the total unique data size + (metadata size + nondeduplicated data) for all backup jobs.

Ref: https://documentation.commvault.com/2024e/essential/health_report_ddb_performance_and_status.html

Regards,

Sureshkumar S

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