[sheepdog-users] sheepdog recovery question

[Liu Yuan]

On Sat, May 17, 2014 at 03:37:39PM +0800, 飞 wrote:
> hello, I have running a sheepdog testing cluster with 3 hosts, and every VDI have 3 copies,
> now , I am testing the recovery with following steps:
> 
> 1. I create 100 VDI , and every VDI about 5GB.
> 2. I shutdown the power of one host to Simulated host failure
> 3. 20 minutes later , I power on the host
> 
> than , I can see the host in recovery progress, but the host seems to delete all objects first, 
> and then , rebuild the objects from other copies . it's something wrong ?
> I think , the sheep shound be just update the Different objects, 
> Should NOT remove all the objects and then rebuild .

We actually didn't remove the objects, we move the objects into stale directory
and if not stale, we'll move it back. Practically we do what you described.

Thanks
Yuan