How NetBackup for SAP performs a split mirror backup using backint

Figure: SAP Oracle online and offline backups by using the brbackup command and backint command

When NetBackup for SAP performs a backup by using the backint, the following occurs:

1	NetBackup for SAP receives a list of files to back up from brbackup.
2	NetBackup for SAP queries the policy to check whether the Snapshot Client policy attributes are specified.
	When NetBackup for SAP is ready to back up the files, it sends a request to brbackup to put the data files into backup mode Depending on the parameters with which the brbackup command was invoked, brbackup either shuts down the database or puts the database in backup mode. If brbackup is invoked with following command, brbackup shuts down the database: # brbackup -d util_file_online -t offline -m all -c force If brbackup is invoked with following command, brbackup puts the database or tablespace into backup mode: # brbackup -d util_file_online -t online -m all -c force
4	NetBackup for SAP quickly creates a snapshot of the files to back up. This operation typically takes a few seconds or minutes.
5	NetBackup for SAP notifies brbackup that the snapshot has been taken and that the database can be either started or taken out of backup mode.
6	brbackup either starts the database or takes the database out of backup mode.
7	NetBackup backs up the snapshot that it created.
8	NetBackup returns backup image information to brbackup.

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