Applies To: Hitachi NAS (BlueArc)
Use this option to specify the number of disk blocks to read ahead during the backup operations. If you do not specify a value for this option, the default value from the file server will be used.
Procedure
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From the CommCell Browser, go to client > NDMP > defaultBackupSet.
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In the right pane, right-click the subclient, and then click Backup.
The Backup Options dialog box appears.
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On the Backup Options tab, click Advanced.
The Advanced Backup Options dialog box appears.
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On NAS Options tab, from Readahead Process list, select a value, and then click OK.
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Select the backup type and schedule.
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Click OK.