Dear Nong Pun
Thank you for your support. I had changed the backup retention on the backup jobs to 1 week already. let we monitor the disk usage again.
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We found one more server “ laguzlbi26 “ Application cannot backup because disk “/app/data” used more than backup storage please help to reduce disk usage on this client and add more disk on backup server . the detail please see in the below.
Thank you and best regards .