Old SAP Backup details with DB size in oracle

Dear All,

We have a request from client to extract all backup related data from last one year with information like backup size, number of backups in particular month, LC DB backup size & log area backup size but issue is that we have standard Cleanuplogs job scheduled weekly which is deleting old backup logs from system & we had cleaned up the DB calender last month during one project activity so no old information available in Db13.

Please let me know if there is any alternate to extract the required info from SAP system or OS level. Our storage is TSM server.

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Thanks with Regards,

Abhishek