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              [html]<thead><tr><td>is required :</td></tr></thead><tbody><tr><td>a. For a source compressed volume, create a second compressed, non - deplicated copy in a DRP : Wait for synchronization to complete, and then, delete the source copy.</td></tr><tr><td>Complete this process for all compressed volumes in all standard pools in an I / O group and verify that no more compressed volumes in standard pools are left.</td></tr><tr><td>b. For each compressed volume in a DRP pool, create a second copy on the same DRP pool, but select Deduplicated. Wait for synchronization, and delete the source copy to complete migration.</td></tr><tr><td>Alternatively, right - click a compressed volume in a DRP, click Modify Capacity Savings, and select Deduplicated. A second copy is created and the source copy is deleted automatically after synchronization completes.</td></tr><tr><td>Garbage collection and volume deletion</td></tr><tr><td>DRP includes bulln services to enable gartage coflection of unused blocks. Garbage Collection is a SDHP process that reduces the amount of data that is stored on external storage eystems and internal drives by reclaiming proviously used</td></tr><tr><td>When a DFRT is created, the system monitors the post for reclamating capacity from host unmap operations. When space is heed from a host operating system, it is a process called unnununginic, By I hosts indicate that the allocated capacith</td></tr><tr><td>Volume delete is a special case of Urmap that zeros an entire volume. There is a background Urmap process that sequentially walks the volume capacity, which entulates large Urmap requests. The purpose is to notify the gattaga collection t</td></tr><tr><td>Because this process can require some time, the volume deletion process in DPPG is asynchronous from the command. After you delete a volume by using the GFI or CLI. I. goes into the deleting state. which can be seen by using the Twelt - all CLIt</td></tr><tr><td>Both host Unmaps and volume deletions increase unused space capacity. It is displayed by the system as rec1a1ina3 ( e. capacity, which is shown by using the I sediskgro command, as</td></tr></tbody>
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