Error handling

These options enable you to specify how to handle errors that might occur during backup.

Re-attempt, if an error occurs

The preset is: Enabled. Number of attempts: 30. Interval between attempts: 30 seconds.

When a recoverable error occurs, the program re-attempts to perform the unsuccessful operation. You can set the time interval and the number of attempts. The attempts will be stopped as soon as the operation succeeds or the specified number of attempts are performed, depending on which comes first.

For example, if the backup destination on the network becomes unavailable or not reachable during a running backup, the software will attempt to reach the destination every 30 seconds, but no more than 30 times. The attempts will be stopped as soon as the connection is resumed or the specified number of attempts is performed, depending on which comes first.

However, if the backup destination is not available when the backup starts, only 10 attempts will be made.

Cloud storage

If the cloud storage is selected as a backup destination, the option value is automatically set to Enabled. Number of attempts: 300. Interval between attempts: 30 seconds.

In this case, the actual number of attempts is unlimited, but the timeout before the backup failure is calculated as follows: (300 seconds + Interval between attempts) * (Number of attempts + 1).

Examples:

With the default values, the backup will fail after (300 seconds + 30 seconds) * (300 + 1) = 99330 seconds, or ~27.6 hours.
If you set Number of attempts to 1 and Interval between attempts to 1 second, the backup will fail after (300 seconds + 1 second) * (1 + 1) = 602 seconds, or ~10 minutes.

If the calculated timeout exceeds 30 minutes, and the data transfer has not started yet, the actual timeout is set to 30 minutes.

Do not show messages and dialogs while processing (silent mode)

The preset is: Enabled.

With the silent mode enabled, the program will automatically handle situations requiring user interaction (except for handling bad sectors, which is defined as a separate option). If an operation cannot continue without user interaction, it will fail. Details of the operation, including errors, if any, can be found in the operation log.

Ignore bad sectors

The preset is: Disabled.

When this option is disabled, each time the program comes across a bad sector, the backup activity will be assigned the Interaction required status. In order to back up the valid information on a rapidly dying disk, enable ignoring bad sectors. The rest of the data will be backed up and you will be able to mount the resulting disk backup and extract valid files to another disk.

Skipping bad sectors is not supported on Linux. You can back up Linux systems with bad sectors in offline mode, by using the bootable media builder in the on-premises version of Cyber Protect. Using the on-premises bootable media builder requires a separate license. Contact support for assistance.

Re-attempt, if an error occurs during VM snapshot creation

The preset is: Enabled. Number of attempts: 3. Interval between attempts: 5 minutes.

When taking a virtual machine snapshot fails, the program re-attempts to perform the unsuccessful operation. You can set the time interval and the number of attempts. The attempts will be stopped as soon as the operation succeeds OR the specified number of attempts are performed, depending on which comes first.