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  1. Home
  2. Veritas NetBackup™ for Microsoft Exchange Server Administrator's Guide
  3. Configuring Exchange backup policies (non-VMware)
  4. About configuring snapshot backups of Exchange Server
  5. Configuring a snapshot policy for Exchange Server
  6. Backup source for a Database Availability (DAG) backup
Veritas NetBackup™ for Microsoft Exchange Server Administrator's Guide

Backup source for a Database Availability (DAG) backup

For backups of a Database Availability Group (DAG) you can choose whether to back up the active or the passive copy of the database. The client backs up and catalogs the selected database as if it were a local snapshot backup.

On the Attributes tab of the policy, for the backup source select one of the following:

Passive copy only (or passive copy from preferred server list)

This option backs up the passive copy of a database or passive server if the database is all of the following: mounted, included in the backup selections list, and healthy. For a DAG, you must also configure a preferred server list. In that case, NetBackup backs up the passive copy on a server in the preferred server list, provided that the database meets the other criteria.

If a database does not have any passive copies, then it is backed up on its active (and only) server. For example, the Public Folder database only has an active copy. A preferred server list is not required for any databases that only have an active copy.

Active copy only

This option backs up the active copy of a database or active server. The preferred server list is ignored.

Passive copy and if not available the active copy

This option backs up the passive copy of a database or the passive server that is all of the following: mounted, included in the backup selections list, and healthy. For a DAG, you can also configure a preferred server list. In that case, NetBackup backs up the passive copy on a server in the preferred server list, provided that the database meets the other criteria. If the passive copy is not available and healthy, NetBackup backs up the active copy.

This option is the default.

More Information

Configuring a preferred server list for a Database Availability Group (DAG)

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