HP B6960-96035 User Manual download pdf (Page 220)

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CRS The CRS (Cell Request Server) process (service) runs on the

Data Protector Cell Manager. It starts and controls backup

and restore sessions. The service is started when Data

Protector is installed on the Cell Manager system and is

restarted each time the system is restarted.

MMD The MMD (Media Management Daemon) process (service)

runs on the Data Protector Cell Manager and controls media

management and device operations. The process is started

by the Cell Request Server process (service).

RDS The RDS (Raima Database Server) process (service) runs on

the Data Protector Cell Manager and manages the IDB. The

process is started when Data Protector is installed on the Cell

Manager.

UIProxy The Java GUI Server (UIProxy service) runs on the Data

Protector Cell Manager. It is responsible for communication

between the Java GUI Client and the Cell Manager, moreover,

it performs business logic operations and sends only important

information to the client. The service is started as soon as Data

Protector is installed on the Cell Manager.

For instructions on how to manually start or stop the Data Protector processes and

services, see online Help.

Backup sessions

This section describes how a backup session is started, what happens during a

backup session, and the processes and services involved.

What is a backup session?

When a backup specification is started it is called a backup session. The backup

session copies data from a source, typically a hard disk, to a destination, typically

tape media. The result of a backup session is a copy of data on the backup media,

the media set.

How Data Protector operates220

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HP B6960-96035 User Manual Page 220

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