The StorageTek L180 driver is needed to let the DataDomain VTL function properly. Click here to download it. The driver says it’s suitable for Windows Server 2003, 2008, but also works with Windows Server 2012 (R2).
Medium Changer driver for DataDomain VTL
- Data Protection Manager: using custom... — Within Data Protection Manager you can use custom volumes instead of the storage pool. This can be helpful in specific scenarios where the storage pool is just not the thing you need. You have to use local disks on the DPM server for custom volumes. These can be: Local installed (RAID) disks SAN storage connected [...]