You can improve the performance of restore operations of backup images by increasing the number of buffers.
Procedure
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From the CommCell Browser, expand Client Computers > client > DB2 > instance.
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Right-click the backup_set, point to All Tasks, and then click Browse and Restore.
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On the Browse and Restore dialog box, select Latest Backup and click View Content.
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Select the database and click Recover All Selected.
The Restore Options dialog box is displayed.
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On the Recover Database tab, clear the Recover DB check box.
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On the Restore Arguments tab, select Offline Restore.
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Type the Number of Buffers that are a sufficient number to improve performance.
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Type the Buffer Size.
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On the Restore Arguments tab, in the Backup Images area, choose an option for selecting backup images:
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To let the Commvault software select the latest backup images or the latest point-in-time backup images, based on the choice you made on the Time Range tab on the Browse and Restore dialog box, choose Auto Pick Backup Images.
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To manually select a cycle of backup images, choose Select Backup Images. Select the images from the Available Images box, and then click > to move the selected images to the Selection box.
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Click OK.