Architecture Overview (HP Data Protector)
The HP Data Protector (HPDP) backup environment, known as a Data Protector Cell, is a network of systems with a common backup policy that is in the same time zone and on the same LAN/SAN. An HPDP Cell will usually include a Cell Manager, Installation Servers, Clients, and Backup Devices.
Cell Manager
HP Data Protector bases its backup management on the Cell Manager, which provides a central point for managing backup and restore sessions. Cell Manager executes Data Protector Software and Session Managers and also contains the Data Protector Internal Database (IDB). This database includes such details as backup duration, session IDs, and media IDs. Multiple cells can be configured into a group, enabling a single-point manager of cell managers.
Disk Agent (Backup Agent)
Client systems that are being backed up must have an HP Data Protector Disk Agent installed. The disk agent manages the reads/writes from a disk on a system and also communicates with the media agent. The disk agent also is installed on the Cell Manager, enabling backup of its data, configuration details, and IDB.
Media Agent
The media agent communicates with the disk agent and also reads/writes data on the media device.
Client Systems
The client systems are the systems that are being backed up. These systems have the HP Data Protector Disk Agent installed on them.
User Interface (UI)
The UI provides access to the Data Protector functionality and is used for configuration and administration tasks. It must be installed on the systems that are performing backup administration. Note that in addition to the graphical user interface, HPDP also has a command-line interface.