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Re: Copy CPG`s main function

 
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Raymond2017
Occasional Contributor

Copy CPG`s main function

Hi Team

May somoene please tell me what is the main function of a CopyCPG on 3PAR? Do you really need to have copy CPG?

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yapkl
Trusted Contributor
Solution

Re: Copy CPG`s main function

If you want to create snapshots, the copy CPG is used to store the deltas from the snapshots. You could use the same CPG as the parent volume or use a different CPG (for reporting purpose, or different disk types/RAID levels). If you didn't define a copy CPG, you won't be able to create snapshots for that volume.

Best Regards,

yapkl

Note: The opinions & comments above are my personal opinions, not of Hewlett Packard Enterprise
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Dennis Handly
Acclaimed Contributor

Re: SNAP CPG's main function

> If you didn't define a copy CPG, you won't be able to create snapshots for that volume.

 

You can always add a snap CPG later with setvv.