User guide

To handle the situation when the conditions are not met for too long and further delaying the backup

is becoming risky, you can set the time interval after which the task will run irrespective of the

condition. Select the Run the task anyway after check box and specify the time interval. The task will

start as soon as the conditions are met OR the maximum time delay lapses, depending on which

comes first.

Time diagram: Wait until conditions are met

Skip the task execution

Delaying a backup might be unacceptable, for example, when you need to back up data strictly at the

specified time. Then it makes sense to skip the backup rather than wait for the conditions, especially

if the events occur relatively often.

4.7.23 Volume Shadow Copy Service

This option is effective only for Windows operating systems.

The option defines whether a Volume Shadow Copy Service (VSS) provider has to notify VSS-aware

applications that the backup is about to start. This ensures the consistent state of all data used by the

applications; in particular, completion of all database transactions at the moment of taking the data

snapshot by Acronis Backup & Recovery 11. Data consistency, in turn, ensures that the application

will be recovered in the correct state and become operational immediately after recovery.

The preset is: Use Volume Shadow Copy Service.

Use VSS

When Use Volume Shadow Copy Service is selected, choose a snapshot provider from the following

list: