Table 6 Data deduplication savings, example 1
Data stored with deduplicationData stored normally
500 GB500 GB1st daily full backup
5 GB50 GB1st daily incremental backup
5 GB50 GB2nd daily incremental backup
5 GB50 GB3rd daily incremental backup
5 GB50 GB4th daily incremental backup
5 GB50 GB5th daily incremental backup
25 GB500 GB2nd weekly full backup
25 GB500 GB3rd weekly full backup
25 GB500 GB25th weekly full backup
1,125 GB12,750 GBTOTAL
Figure 4 Space saving with deduplication
Tape rotation example with data deduplication 17