You can retain daily backups of the Commvault control plane database for an additional 3 days, to stop the backups from aging and to ensure that the backup sets are available for a disaster or similar situation.
To extend retention, follow these steps:
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Log on to cloud.commvault.com.
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In the upper-right area of the page, select your CommCell environment.

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In the Control plane section, click Start recovery test.
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On the Protection details tab, click Declare disaster.
A confirmation message appears.
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Click Submit.