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If a Linux server has Dell PowerPath devices attached, all the underlying block devices representing the network paths to the server are skipped from processing. This will result in the error "No objects to backup" or PowerPath devices missing from the backup. If non-PowerPath devices are part of the backup scope (i.e., the Entire Computer scope is selected), the backup will technically be green, but the PowerPath devices will be silently skipped.
Veeam Agent for Linux detects only the DM-Multipath-based devices as aggregated. Additionally, block devices with the same MBR/GPT ID cannot be backed up. Because of this, both individual paths and aggregated devices are considered different block devices and are skipped from processing.
All individual IO paths must be excluded using the ignoreDevices parameter within the /etc/veeam/veeam.ini configuration file. The ignoreDevices parameter must be manually created under the [backup] section of the veeam.ini file. Example Use the following command to list the Dell PowerPath aggregated device name and underlying devices:For more information about powermt and PowerPath CLI, please review: CLI and System Messages Reference
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