Now that I have clear how schedule works, I have to be aware to not
waste my basckups but also to not fill up my disk storage.
Examine this example:
Schedule {
Name = "ScheduleTest"
Run = Full 1st-5th sun at 23:05
Run = Incremental mon-sat at 23:05
}
We have a full backup each week.
SCOPE: We want the possibility of restore any file till 2 weeks ago.
If I set a volume retention period of two weeks:
uring the first week I can restore data form the fist full backup and
its incrementals;
the second week I can restore data of the fist week and the sconed week as well;
(pipes represent full backup, underscore incremental)
| _ _ _ _ _ _ | _ _ _ _ _ _
at sunday of the third week, the first full backup get overwritten.
_ _ _ _ _ _ | _ _ _ _ _ _ |
This means that, of the first week, I can only restore file present in
the incremental backup.
In other words I do not have a cicle of 2 weeks but 1.
- Using a retention period of 3 week I achive the scope. Is it right?
Generalizing: if I want a "history" of n if have to set a retention
perdiod of n + 1.
Example:
1 month -> 2 months retention
3 week -> 4 weeks retention
I read that job retention period is 180 days by default and 60 days
for file retention period.
I wonder when/why it can be usefull to have such big difference.
- In other words: wouldn't it be logic to have volume, file, and jobe
retention perios to be the same.
Your consideration will be appreciate.
Thank you.
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