Which backup rotation scheme uses three distinct sets of backups-daily, weekly, and monthly-to ensure data redundancy and long-term integrity?
Grandfather-Father-Son (GFS)
Round-robin rotation
Forever-incremental rotation
Tower of Hanoi
The Grandfather-Father-Son (GFS) backup rotation scheme maintains three generations of backups: the daily "son" set, the weekly "father" set, and the monthly "grandfather" set. This layered approach preserves multiple historical versions of data while controlling media usage. Other schemes such as Tower of Hanoi, Round-robin, or Forever-incremental use different retention patterns and do not follow the strict daily/weekly/monthly structure of GFS.
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