If you perform a validating restore job, the RMAN will simulate a restore job and verifies whether the backup copies of data and logs required for the restore are intact and usable.
Procedure
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From the CommCell Browser, expand Client Computers > client.
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Right-click the instance, point to All Tasks and then click Browse and Restore.
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Select Latest Backup and click View Content.
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Select the databases and click Recover All Selected.
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Select the option for the type of restore operation, and then click Next.
An Oracle restore options dialog box appears.
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On the General tab, click Advanced.
The Advanced Restore Options dialog box is displayed.
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On the Options tab, select the Validate check box.
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Click OK.
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Click OK.