DAR can greatly reduce the time it takes to restore files and directories. DAR is enabled by default. No configuration is required. It reads only the data that is needed for those files. For individual file restore, NetBackup automatically determines whether DAR shortens the duration of the restore.
It activates DAR only when it results in a faster restore. Create a NDMP user for backup purposes. Generate NDMP password for that user. Then backup selections, select the volumes which you want to take a backup.
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In addition to the user creation, the NetBackup host which will be acting as the NDMP control host must have access to port on the filer. A simply telnet test to this port on the filer will confirm that the port is contactable. There are several differnent ways to perform NDMP backups :. During a NSMP backup data will be sent directly from the filer to the backup target. If local NDMP is being used then the Filer must have access to the backup target which is likely to mean it is zoned to physical tape drives or to the relevant target ports on a VTL.
Confirm that the user credentials are working and communication is successful.
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