[Sheepdog] [PATCH] sheep: use hash value for vdi attribute object id

[Chris Webb]

MORITA Kazutaka <morita.kazutaka at lab.ntt.co.jp> writes:

> Thank you for your testing.  I've implemented another approach.
> Could you try again?

Hi Kazutaka. Yes, this one works fine, and survives the deletion of
snapshots nicely.

> The vdi id can change if we get the snapshot, so there is a problem
> that vdi attributes vanish after taking snapshots.  This patch uses
> the hash value for the vdi attribute object id instead of the vdi id.

Am I right in thinking that implementing in this way precludes the future
implementation of vdi rename, or do existing assumptions in the design
already make this impossible?

Best wishes,

Chris.