Hi,
I am implementing simple schema for backing up our data. Data are
backed up to disk. Full backup is performed every Sunday. The next 6
days differential backups are performed.
I want to keep only one Full backup and at maximum 6 daily differences.
The moment new Full backup is made, previous Full backup and its
"differential children" can be deleted. According to documentation
(chapter Automated disk backup) I've made two pools like this:
Pool
{
Name = full
Pool Type = Backup
Recycle = yes
AutoPrune = yes
Volume Retention = 7 days
Label format = full
Maximum Volume Jobs = 1
Maximum Volumes = 2
}
Pool
{
Name = diff
Pool Type = Backup
Recycle = yes
AutoPrune = yes
Volume Retention = 7 days
Label format = diff
Maximum Volume Jobs = 1
Maximum Volumes = 8
}
But as I understand it, there will be two full backups as backups have
period 7 days and retention is 7 days too - so the last week backup will
not be reused as it is not old enough. But if I lower retention to i.e.
6 days, the volume will be deleted before performing backup and there
will be window without any backup.
I am backing up a lot of clients and I do not mind having one
unnecessary backup during backup process itself but I would like to
avoid having two backups for each client for whole the time.
And my other question - can be differential/incremental backups
automatically deleted as soon as their "parent" is reused/deleted?
Radek
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