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Storage Virtual Machine : Protection : Vaulting : Understanding vault technology : How SnapVault backups work with data compression
How SnapVault backups work with data compression
SnapVault relationships preserve storage efficiency when replicating data from the source to the SnapVault secondary volume except when additional data compression is enabled.
If additional compression is enabled on the SnapVault secondary volume, storage efficiency is affected as follows:
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Storage efficiency is not preserved for data transfers between the primary and secondary volumes.
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You do not have the option of returning to replicating data while preserving storage efficiency.

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