Ravi,
We had earlier discussed a solution for this (sometime last year) by making
volgen remember xlator names and not reassign them. Copying KP with who I
had discussed this to quite a level of detail. Have you guys spoken about
this? IIRC the solution KP and I discussed was more generic and could also
support retaining user made changes/customizations to the volfiles.

Thanks,
Avati


On Tue, Feb 11, 2014 at 8:33 PM, Ravishankar N <ravishan...@redhat.com>wrote:

> Hello,
>
> As you might perhaps be aware, AFR translator currently uses the client
> translator names  as the name of it's changelog extended attributes.
>
> i)This can be a problem when a remove-brick operation is performed when
> there are pending heals happening because remove-brick causes a graph
> change wherein the client translator names become different.
>
> ii) Also, for gluster snapshot volumes to work correctly, there needs to
> be a persistent mapping of AFR changelog attributes to the bricks.
>
> After some internal discussions, we have come up with a new naming
> mechanism that ensures backward compatibility. Details on the
> aforementioned problems and the proposed solution are detailed in a feature
> page [1] for GlusterFS 3.6.
> Please feel free to go through it and give your comments/ critiques.
>
> Thanks and regards,
> Ravi
>
> [1] https://www.gluster.org/community/documentation/index.
> php/Features/persistent-AFR-changelog-xattributes
>
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