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Re: [Xen-devel] [PATCH 6/6] xl: generate a new random VM generation ID if requested

To: David Vrabel <david.vrabel@xxxxxxxxxx>
From: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
Date: Tue, 10 Jun 2014 12:02:09 +0100
Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx, Ian Jackson <ian.jackson@xxxxxxxxxxxxx>, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Delivery-date: Tue, 10 Jun 2014 11:02:16 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On Tue, 2014-06-03 at 14:15 +0100, David Vrabel wrote:
> If the "generation_id" option is set in the domain configuration,
> generate and set a new random VM generation ID every time a domain is
> created or restored.
> 
> xl lacks the infrastructure to fully track the lifecycle of VM images
> as they are snapshotted and cloned (etc) so always using a new ID is
> the safe option and ensures that a new one will be used where it matters.
> 
> Signed-off-by: David Vrabel <david.vrabel@xxxxxxxxxx>

Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

(modulo my comment/query on the previous patch wrt to making this is a
boolean).

Ian.


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References:
- [Xen-devel] [PATCHv3 0/6] tools: rework VM Generation ID
  - From: David Vrabel
- [Xen-devel] [PATCH 6/6] xl: generate a new random VM generation ID if requested
  - From: David Vrabel

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