Location | Data (in GB) |
ABC Pretoria | 22 |
|
|
ABC Durban | 16 |
Plans for future growth of the amount of data
ABC plans to grow at 15 to 20% per year. The amount of data to be backed up is expected to grow accordingly. This has implications not only on the amount of time it takes to run backups and backup devices needed for backup, but also on the size of the IDB.
Table 23 Amount of data to be backed up in five years
Location | Data (in GB) |
ABC Cape Town | 250 |
ABC Pretoria | 55 |
|
|
ABC Durban | 40 |
•How often data needs to be backed up
Full backups of each type of data are carried out once a week on Fridays, Saturdays, or Sundays. Level one incremental backups are carried out daily on week days. However, if a full backup is carried out on Friday, then the corresponding level one incremental backups are carried out on weekdays and then on Saturday, skipping Friday.
Proposed solution
Because of the issues presented by the current backup solution, described in Problems with current solution on page 315, ABC is undertaking a project to redesign its data storage system.
Solution overview
Each of the three departments at ABC Cape Town must be configured into a
Concepts guide | 317 |