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What is the retention period for Annual backup

Dear Support,

What is the retention period I need to set for my Yearly backup to Tape. (Media set propeties please see the screenshot attached).

Retention perid/ overwrite protection period / Append period.

Please note this a one time backup only. Backup to Tape drive (LTO6)

The purpose of this backup is to keep every year a copy of that year's backup in a seperate LTO Tape. (This is not going to overwrite). This is only for future use in case management needed any files from previous years. 

I need a proper retention policy to keep for these kind of backups. Thank you.

2 Replies

Re: What is the retention period for Annual backup

Re: What is the retention period for Annual backup

Thank you for the links provided.

Can you please give me a common practice idea/guide about setting overwrite period and append period for a Annual File Server Backup to the tape which is going to keep as long as it is safe to keep.