HP B6960-90078 manual Centralized Media Management Database Cmmdb, 366

Manager-of-Managers Environment

Centralized Media Management Database (CMMDB)

Centralized Media Management Database (CMMDB)

The IDB is an embedded database that keeps information about backup, restore, and media management sessions, devices, and media. It consists of five parts that are located on the Cell Manager.

•MMDB - Media Management Database

•CDB - Catalog Database

•DCBF - Detail Catalog Binary Files

•SMBF - Session Messages Binary Files

•SIBF - Serverless Integrations Binary Files

In a typical cell-oriented environment, all parts are located on the Cell Manager system and each keeps information on devices, media, and backup information for that cell. For security reasons, it is impossible to access and use this data from another Data Protector cell. Therefore, media and devices used in that cell cannot be accessed and used in some other cell without moving them to that cell.

In larger multi-cell environments with high-end backup devices, you may want to share these devices and media among several cells. This can be achieved by having one centralized MMDB database for all the cells and keeping an individual CDB for each cell. This allows media and device sharing while preserving the security capabilities of the multi-cell structure.

With the CMMDB, media are owned by the Data Protector cell that performed the first backup on the media. The media owner is displayed in the media view. While media are protected, only backups from that cell can be appended on the media. Therefore, media can only be owned by one cell at a time. Once the protection expires, the media become available to other cells again.

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