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You can configure different backends for each compute node's volume group, and expose them to users via volume types. The admin guide tells you how, but it seems it's currently broken after a reorganisation of the documentation web site. Try Redhat documentation.

Alternatively, Cinder also has the notion of availability zones. The AZ of a Cinder node is set via the storage_availability_zone config variable; when creating a volume, use the --availability-zone option.

You can configure different backends for each compute node's volume group, and expose them to users via volume types. The admin guide tells you how, but it seems it's currently broken after a reorganisation of the documentation web site. Try Redhat documentation.

Alternatively, Cinder also has the notion of availability zones. The AZ of a Cinder node is set via the storage_availability_zone config variable; when creating a volume, use the --availability-zone option.

Perhaps you can also configure these things using the answer file, but I have no experience with this particular topic.