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Question

tape rotate by media full

  • 8 September 2024
  • 2 replies
  • 24 views

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Hi All,

- daily incremental backup and Thu Synthetic full backup

- every week will rotate and insert week tape on Thu, will not use barcode pattern with spare media pool

- if week1 Thu and Fir are holidays, will insert week1 and week2 tape in library on Wed because no one will back to office rotate tape

Q1. due to commvault may use week2 tape backup on week1 Wed or use week1 tape backup on coming Thu and Fir, could week2 mark media full force commvault use week1 tape until Thu and we may remote access and change week1 tape mark media full and change week2 tape mark appendable on Thu and let commvault use week2 tape backup backup coming Thu and Fir?

Q2, but we check https://kb.commvault.com/article/53950 "Synthetic full backups will not use Appendable media", if "Synthetic full backups will not use Appendable media.", how can solve?

 

Q3. if Synthetic full backups could use Appendable media, any impact or concern when “mark media full” with “mark appendable”?


Best regards

2 replies

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  • Vaulter
  • 80 replies
  • September 10, 2024

Hi @Chinchilla,

Synthetic full backups will not use appendable media. This is a designed behavior to ensure data integrity and proper backup cycles.

Synthetic full backups read from one media and write to a new active media within the same media group.

I would suggest you raise a support case, to validate the available solutions for your requirement.

Regards,

Wasim

 


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  • Author
  • 7 replies
  • September 11, 2024
Chinchilla wrote:

Hi All,

- daily incremental backup and Thu Synthetic full backup

- every week will rotate and insert week tape on Thu, will not use barcode pattern with spare media pool

- if week1 Thu and Fir are holidays, will insert week1 and week2 tape in library on Wed because no one will back to office rotate tape

Q1. due to commvault may use week2 tape backup on week1 Wed or use week1 tape backup on coming Thu and Fir, could week2 mark media full force commvault use week1 tape until Thu and we may remote access and change week1 tape mark media full and change week2 tape mark appendable on Thu and let commvault use week2 tape backup backup coming Thu and Fir?

Q2, but we check https://kb.commvault.com/article/53950 "Synthetic full backups will not use Appendable media", if "Synthetic full backups will not use Appendable media.", how can solve?

 

Q3. if Synthetic full backups could use Appendable media, any impact or concern when “mark media full” with “mark appendable”?


Best regards

 

Sorry for missing about tape backup details.

- daily incremental backup and Thu Synthetic full primary backup to disk DL1
- second copy from primary to tape

 

Q1. Since tape for second aux copy, could use Appendable media?

 

Q2. any impact or concern when tape “mark media full” with “mark appendable”?

 

Best regards


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