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Below, the figure shows the deleted backups as actual, but demonstrates tape usage during the
whole year for the GFS backup scheme in combination with the specified tape options. A number in
the green rectangle marks an incremental backup created on Monday of the corresponding week of
the year.
Tape usage during the first year
The next figure shows the actual usage of the tapes with free space instead of the deleted backups
on the first Friday of the following year. At the time the differential backup (blue rectangle) is written
onto tape 24.