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7.3.7.2
Back up later scheme
With the Back up later scheme, the backup will be performed only once, at the date and time you
specify.
Specify the appropriate settings as follows
Backup type
Select the type of backup: full, incremental, or differential. If there is no full backup in
the archive, a full backup will be created regardless of your selection.
Date and time
Specify when to start the backup.
The task will be
started manually
Select this check box, if you do not need to put the backup task on a schedule and
wish to start it manually afterwards.
7.3.7.3
Simple scheme
With the simple backup scheme you just schedule when and how often to back up data and set the
retention rule. At the first time a full backup will be created. The next backups will be incremental.
To set up the simple backup scheme, specify the appropriate settings as follows.
Backup
Set up the backup schedule - when and how often to back up the data.
To learn more about setting up the schedule, see the Scheduling (p. 162) section.
Retention rule
With the simple scheme, only one retention rule (p. 39) is available. Set the retention
period for the backups.
7.3.7.4
Grandfather-Father-Son scheme
At a glance
Daily incremental, weekly differential, and monthly full backups
Custom day for weekly and monthly backups
Custom retention periods for backups of each type
Description
Let us suppose that we want to set up a backup plan that will regularly produce a series of daily (D),
weekly (W), and monthly (M) backups. Here is a natural way to do this: the following table shows a
sample two-month period for such a plan.
Mo
Tu
We
Th
Fr
Sa
Su
Jan 1—Jan 7
D
D
D
D
W
-
-
Jan 8—Jan 14
D
D
D
D
W
-
-
Jan 15—Jan 21
D
D
D
D
W
-
-
Jan 22—Jan 28
D
D
D
D
M
-
-
Jan 29—Feb 4
D
D
D
D
W
-
-
Feb 5—Feb 11
D
D
D
D
W
-
-
Feb 12—Feb 18
D
D
D
D
W
-
-
Feb 19—Feb 25
D
D
D
D
M
-
-
