Acronis Backup for Linux Server - User Guide - Manual (Page 51)

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The roll-back period shows how many days we are guaranteed to have even in the worst case. For a
four-level scheme, it is four days.
4.2.6.5 Manual start
With the Manual start scheme, you do not have to specify the backup schedule. You can run the
backup plan from the Plans and Tasks view manually at any time afterwards.
Specify the appropriate settings as follows.
Backup type
Select the type of backup

Full - selected by default for all backup locations (except for Acronis Cloud Storage).

Incremental. At the first time a full backup will be created. The next backups will be
incremental. Selected as the one and only backup type for Acronis Cloud Storage.

Differential. At the first time a full backup will be created. The next backups will be
differential.
4.2.6.6 Initial seeding
This backup scheme is available when Acronis Cloud Storage is selected as the backup destination. A
backup is only successful if you have an Initial Seeding license.
The Initial Seeding service might be unavailable in your region. To find more information, click here:
http://kb.acronis.com/content/15118.
Initial seeding enables you to transfer the first backup, which is full and usually the largest, to the
cloud storage on a hard drive instead of over the Internet. Subsequent backups, which are all
incremental and thus usually much smaller, can be transferred over the Internet after the full backup
has arrived in the cloud storage.
If you back up 500 GB of data or more, initial seeding ensures faster delivery of the backed-up data
and lower traffic costs.
Please refer to the "Initial Seeding FAQ (p. 181)" section for more details.
4.2.7 Archive validation
Set up the validation task to check if the backed-up data is recoverable. If the backup could not pass
the validation successfully, the validation task fails and the backup plan gets the Error status.
Validation of a file backup imitates recovery of all files from the backup to a dummy destination.
Validation of a volume backup calculates a checksum for every data block saved in the backup.
To set up validation, specify the following parameters
1. When to validate – select when to perform the validation. As the validation is a
resource-intensive operation, it makes sense to schedule the validation to the managed
machine's off-peak period. On the other hand, if the validation is a major part of your data
protection strategy and you prefer to be immediately informed whether the backed-up data is