To consolidate backups from multiple storage policy copies (disk and tape) on one media, you can configure a global secondary copy policy using a Tape Network Storage pool.
You can create and manage global secondary copy policies as follows:
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When you create a tape network storage pool, Commvault automatically creates a global secondary copy policy.
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If necessary, you can create a new global secondary copy policy using the command line interface.
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After creating a global secondary copy policy, create a storage policy copy and assign it to the global secondary copy policy. For more information, see Creating a Storage Policy Copy Using a Global Secondary Copy Policy.