[Sheepdog] support object recovery

[Piavlo]

MORITA Kazutaka wrote:
> On Sat, Feb 13, 2010 at 5:42 AM, Piavlo <piavka at cs.bgu.ac.il> wrote:
>   
>>>> 2)Same questions regarding the vdi meta directories.
>>>>
>>>>         
>>> Yes, too.
>>> One of sheepdog goals is `autonomously managed storage system'..
>>>
>>>       
>>  I've just tried simple test, with 3 nodes and copies=2
>> After cluster initialization and single image creation and booting it.
>> There were two nodes with the vdi metadirectory and third node with just
>> vm blocks and no metadata.
>> Next i stopped collie on one of the two nodes - which had the vdi
>> metadirectory.
>> After this the vm blocks were recovered/redistributed evenly between the
>> remaining two nodes.
>> However the vdi metadirectory was not created/recovered on the third node :(
>>
>>     
>
> Yes. It should be recovered, but we have not implemented it yet, sorry.
>   
Ok, just since my questions were about  the current implementation , and
you answered positively , i was sure it was already implemented.

Thanks
> Regards,
>
> Kazutaka Morita
>