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When you back up databases in a Database Availability Group (DAG), NetBackup selects the server to back up each database according to your data source and preferred server list settings. The backup jobs are grouped by server. From your backup selections list, all of the databases that have passive copies on a given server are grouped under one snapshot job. They are then backed up by one or more child backup jobs. All of the databases that have active copies on the server are grouped under another snapshot job, followed by one or more backup jobs.
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Note: |
Use
explicit |
The NEW_STREAM
directive works as follows:
When you do not enable multiple backup streams, all of the databases for a snapshot job are backed up in a single backup job.
When you enable multiple backup streams and do not
specify any NEW_STREAM directives,
each database is backed up in its own backup job.
When you enable multiple backup streams and do
specify NEW_STREAM directives in your
policy, then NetBackup tries to group the database backups into
jobs according to the placement of the NEW_STREAM directives in the backup selection
list. The result is affected by the grouping of database backups
into snapshot jobs. NetBackup separates backup jobs after any
database that is followed by a NEW_STREAM directive in the policy.
More Information
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