[Sheepdog] Extended attributes support by sheepdog

MORITA Kazutaka morita.kazutaka at lab.ntt.co.jp
Sun Nov 27 19:25:41 CET 2011

Hi Sergey,

Thanks for your interest.

At Sun, 27 Nov 2011 18:49:37 +0400,
Кипеть Сергей wrote:
> Hi, Everybody!
> I'm looking for the data distribution software applicable for tight
> integration with Nova ('libvirt'). Sheepdog seems to be exactly what I'm
> looking for (many thanks to the software authors). Anyway, there's
> something I would like to clarify by using your aid, guys.
> Just wondering if support for the extended attributes is provided by
> Sheepdog. I mean, what kind of behaviour should be expected in case of,
> e.g. a VM snapshot (or VM image itself) converted by 'qemu-img' containing
> (for the conversion moment) any kind of user extended attributes - would
> the created VM snapshot (image) keep those attributes it had before the
> Sheepdog conversion procedure? If it wouldn't, should this kind of support
> to be added to Sheepdog aditionally to be provided? Or this is planned to
> be implemented already? (Far from the latest version of the Sheepdog
> software was used while testing, got it from the Ubuntu distribution
> package.)

The extended file attributes are kept with any Sheepdog volume
operations.  What Sheepdog provides is a block device, so we don't do
any special things to support it. :)



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