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Volume encryption

TechPreview

The Block Storage service (OpenStack Cinder) supports volume encryption using a key stored in the Key Manager service (OpenStack Barbican). Such configuration uses Linux Unified Key Setup (LUKS) to create an encrypted volume type and attach it to the Compute service (OpenStack Nova) instances. Nova retrieves the asymmetric key from Barbican and stores it on the OpenStack compute node as a libvirt key to encrypt the volume locally or on the backend and only after that transfers it to Cinder.

Note

  • To create an encrypted volume under a non-admin user, the creator role must be assigned to the user.

  • When planning your cloud, consider that encryption may impact CPU.

See also