[openstack-dev] Volume Encryption

Caitlin Bestler caitlin.bestler at nexenta.com
Thu Feb 14 23:11:17 UTC 2013


On 2/14/2013 1:58 PM, Bhandaru, Malini K wrote:
>
> Good point John!  De-duplication/compression is a no-win on an 
> encrypted object.
>
> Prior to archiving, compression, then encryption, and save.
>
> A volume in active use would just  be encrypted, but prior to detach, 
> compress, encrypt and archive in Swift or some other backing store.
>
> Regards
>
> Malini
>
>
Actually local encryption (of Cinder volumes or Swift partitions) is 
amazingly
compatible with distributed dededuplication, it is only a problem for 
in-line
or ex-post-facto dedudplication.

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