By default during the data aging operation, the Commvault software sets the backup piece to unavailable, by adding the following line to the RMAN script:
change backuppiece 'id1','id2' 'idN' unavailable
If you want to prevent the software from adding the line to the script, set the Disable RMAN cross check check box.
Procedure
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From the CommCell Browser, navigate to Client Computers > client > Oracle .
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Right-click the instance and click Properties.
The Instance Properties dialog box appears.
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On the Details tab, select the Disable RMAN cross check check box.
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Click OK to close the warning message.
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Click OK.