35095: Acronis Backup Advanced 11.7/11.5 for Exchange: Continuous Data Protection

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Continuous Data Protection (CDP) allows reverting the Exchange data to almost any custom point in time.

In Acronis Backup, CDP is a backup scheme applicable to Microsoft Exchange information stores, storage groups, and databases. In this scheme, you specify when to perform full backups. In addition, the transaction log files are backed up automatically as soon as they are closed by Exchange. Having both full backups and transaction log backups, you can select almost any custom point in time to revert the Exchange data to.

To be able to revert Exchange data to almost any custom point in time, we will use the CDP backup scheme. In this scheme, you specify when to perform full backups. In addition, the transaction log files are backed up automatically as soon as they are closed by Exchange. In our case, assume full backups will be performed every night.

The possible CDP target locations are:

  • Local folder
  • Network share
  • ASN (with or without deduplication)
  • Removable disks (USB, RDX)

CDP in Exchange cluster - In a cluster, CDP for particular SG/DB works on a single node only, which is the same node as selected by cluster backup rules ( run on active, passive, or selected node). When multiple resources are protected by a single backup plan, a chosen node should only protect the resources which fit to the backup rules for the particular plan. For example, when 2 databases located on 2 servers are replicated to each other and the backup plan specifies "passive" database backup, the CDP should protect 2 databases on 2 different servers. When the node roles change, CDP transaction logs backup should continue on the current node until the next scheduled backup, changing status to Warning.

Cataloguing of the databases protected by CDP - Cataloguing of CDP slices is not executed automatically after backup is done. If indexation is launched manually, data from CDP backups would be added to Data View tree. However, subsequent updates of CDP backup would be never added to the catalog (unless catalog is deleted and completely rebuilt).

 

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