ACRONIS Backup & Recovery 10 Advanced Server Virtual Edition User's Guide download pdf (Page 364)

Retention rules: Delete backups older than 12 months

Apply the rules: After backing up

By default, a one-year-old full backup will not be deleted until all incremental backups that depend

on it become subject to deletion too. For more information, see Retention rules (p. 39).

Monthly full, weekly differential, and daily incremental backups plus cleanup

This example demonstrates the use of all options available in the Custom scheme.

Suppose that we need a scheme that will produce monthly full backups, weekly differential backups,

and daily incremental backups. Then the backup schedule can look as follows.

Full backup: Schedule: Monthly, every Last Sunday of the month, at 9:00 PM

Incremental: Schedule: Weekly, every workday, at 7:00 PM

Differential: Schedule: Weekly, every Saturday, at 8:00 PM

Further, we want to add conditions that have to be satisfied for a backup task to start. This is set up

in the Conditions fields for each backup type.

Full backup: Conditions: Location available

Incremental: Conditions: User is logged off

Differential: Conditions: User is idle

As a result, a full backup—originally scheduled at 9:00 PM—may actually start later: as soon as the

backup location becomes available. Likewise, backup tasks for incremental and differential backups

will wait until all users are logged off and users are idle, respectively.

Finally, we create retention rules for the archive: let us retain only backups that are no older than six

months, and let the cleanup be performed after each backup task and also on the last day of every

month.

Retention rules: Delete backups older than 6 months

Apply the rules: After backing up, On schedule

Cleanup schedule: Monthly, on the Last day of All months, at 10:00 PM

By default, a backup is not deleted as long as it has dependent backups that must be kept. For

example, if a full backup has become subject to deletion, but there are incremental or differential

backups that depend on it, the deletion is postponed until all the dependent backups can be deleted

as well.

For more information, see Retention rules (p. 39).

Resulting tasks

Any custom scheme always produces three backup tasks and—in case the retention rules are

specified—a cleanup task. Each task is listed in the list of tasks either as Scheduled (if the schedule

has been set up) or as Manual (if the schedule has not been set up).

You can manually run any backup task or cleanup task at any time, regardless of whether it has a

schedule.

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ACRONIS Backup & Recovery 10 Advanced Server Virtual Edition User's Guide Page 364