[sheepdog-users] Question regarding 2 node configurations

[Liu Yuan]

On Wed, Mar 19, 2014 at 08:15:29PM +0000, Andrew J. Hobbs wrote:
> DRBD in theory is nice, but I lose being able to do migration (volumes 
> of virtual machines are only available on the primary node where the 
> volume is mounted).  I'd originally considered sheepdog, and discarded 
> it as I only have two nodes for this project.
> 
> Seeing that DRBD currently has over 48 hours to finish syncing volumes, 
> what possible issues can I run into here?  I know dog vdi check won't 
> have quorum, but anything else?  I'd probably run a single zookeeper 
> node, maybe 3 if I can run that on one of my other servers...
> 

I think 2 nodes are okay if you use zookeeper, won't run into brain-split
issue.

Another option is run multiple sheep on a single node. For example, 1 one A
and 2 on node B, in which way you can have more than 2 nodes.

Thanks
Yuan