HP D2D Manual page 17

Hp d2d backup system concepts guide (eh985-90915, march 2011)

Hide thumbs Also See for D2D:

Table of Contents

Table 6 Data deduplication savings, example 1

1st daily full backup

1st daily incremental backup

2nd daily incremental backup

3rd daily incremental backup

4th daily incremental backup

5th daily incremental backup

2nd weekly full backup

3rd weekly full backup

25th weekly full backup

TOTAL

Figure 4 Space saving with deduplication

Data stored normally

500 GB

50 GB

500 GB

12,750 GB

Tape rotation example with data deduplication

Data stored with deduplication

500 GB

5 GB

25 GB

1,125 GB

Table of Contents