Home > Storage > PowerMax and VMAX > Mainframe > Dell PowerMax: Data Protector for z Systems (zDP) Best Practices > Terminology
Term | Definition |
Data Protector for z Systems | Dell software that provides granular data backups |
TimeFinder SnapVX | Local replication technology that is built on virtual provisioning and enables customers to take snapshots of Dell source volumes on PowerMax arrays |
Local Snapshot | Data copy that is taken at the source PowerMax array |
Remote Snapshot | Data copy that is taken at the target or remote PowerMax array |
Versioned Data Group (VDG) | Logical group of source volumes that associates volumes and settings for creating multiple point-in-time images |
Snapshot | Pointer-based, point-in-time image of a single volume |
Snapset | Named point-in-time consistent image of all source-volumes snapshot in a VDG |
Target Set | Group of devices which has been defined to zDP as the specified link targets to a snapset (VDG) |
Secure VDG | Secured snapset that cannot be deleted. You can delete a secure snapset by following an approved procedure with the help from Dell Support. |