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Replication of the archive data refers to copying of fixed-size blocks of information (video, audio, metadata) from one archive to another within the same Axxon-domain. The primary purpose of data replication is to ensure long-term storage and access to multimedia data on remote storage devices. Every archive can be both the sender and receiver of data. 

Note
titleAttention!

Replication is performed as blocks of information accumulate and only to the end of the archive. Blocks of information can be replicated to any part of the archive in the object archive.

To transfer the old data from Archive 1 to Archive 2 and continue writing new data to Archive 2, do the following:

  1. Replicate the data from Archive 1 to Archive 2, while Archive 2 cannot be written to.
  2. Configure the camera to write to Archive 2.

The events indicating the start and successful completion of data replication will be generated in the system (see 이벤트 제어). These events can be used in macros (see 매크로 설정).

To configure data replication, do the following:

  1. In the list of archives of the Axxon-domain, select the archive to which you want to copy data from other archives.

  2. Select one or more archives form which you want to copy data (1). You can also replicate video from the embedded camera storage (4, see 임베디드 저장소 객체).

  3. For each archive, select the cameras from which data will be copied to the replication archive (2). To select all cameras, click the Select all button.

    Info
    titleNote

    Data from a particular camera can be copied to the replication archive only from one archive. When you select a camera for replication from an archive, the camera becomes unavailable for replication from any other archive.

    You cannot select cameras if they are already writing to the replication archive.


  4. Select the replication period (3):

    1. Always—replication will be performed continuously. 

    2. Time schedule—replication will be performed within the specified time schedule (see 일정 만들기). For example, to distribute the CPU load, you can configure replication to run at night.

    3. On demand—replication will be started manually or using macros (see 수동 아카이브 복제, Start replication).

      Note
      titleAttention!

      If you change the replication period in an existing replication archive, the archive records for the previous period will be deleted.


  5. Click the Apply button.

Configuring data replication is complete. If the replication period was set to Always, data replication starts immediately after the settings are applied.