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Desktop pc – HP D2D100 Backup System User Manual

Page 58

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HP StorageWorks D2D Backup System: 1.5 TB

LAN

Desktop PC
250 GB

Fileserver
60 GB

Total

242 GB

Total

150 GB

Mon
Tues
Wed

Thurs

Wk1
Wk2
Wk3
Wk4

M5
M6
M7
M8
M9

M10
M11
M12

Wk1
Wk2
Wk3

M1
M2
M3
M4

Database
Server
10 GB

Figure 31 HP D2D Backup System after the second host is configured

Desktop PC

This is used by engineers to store drawings, specifications and similar working documents. The backup

requirement is for one full weekly backup and a daily incremental backup, retained for one week.
The size of the daily incremental backup is 10 GB. The size of the full backup is 250 GB, which

exceeds the disk space that can be allocated to a single slot. Therefore, each full backup requires

two autoloader slots.

Number of slots required

Physical disk space required on HP D2D Backup

System

1 x 2 for the full weekly backup
4 x 1 for the incremental daily backups

1 x 250 = 250 GB
4 x 10 GB = 40 GB

6 slots required (8 is the minimum that can be

assigned)

290 GB

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Backup scenarios using the HP D2D Backup System