[Sheepdog] support object recovery

[MORITA Kazutaka]

Hi,

On Wed, Jan 20, 2010 at 9:28 AM, Piavlo <piavka at cs.bgu.ac.il> wrote:
> I've created an image with the new code with copies=2 on 3 nodes
> one node got 554 object allocated on it for the image other 350 and
> third just 116
> now 350+116 < 554
> so it looks like there is no 2 copies redundancy

Thanks for your report.

In my environment, objects seem to be replicated to two nodes with
--copies=2 option.

How do you count the number of objects?
Collie in the next branch stores objects into the following path.
  [root of store directory]/obj/[version of node map]/[object id]
(I'll document details about this, sorry.)

Regards,

Kazutaka Morita