By default, snapshots are pruned based on the number of retention days and cycles specified in the storage policy. You can configure your snapshot copy to retain a defined number of IntelliSnap backup jobs. When the total number of jobs goes above the specified retention number, the remaining jobs will be pruned. This configuration is recommended for File System and File System like Agents.
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From the CommCell Console, navigate to Policies | Storage Policies | storage policy.
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Right-click the primary snapshot copy and click Properties.
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Click the Retention tab and then click Retain Snaps by Number of Jobs.
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Click OK to the warning dialog box.
Note
This option is not recommended for database agents as it requires Full and Logs snapshots for recovery. If you still want to use this option for database agents, then make sure that the retention criteria honors at least one Full backup with archiver logs.
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Specify the number of jobs to be retained for the primary copy.
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Click OK.