[sheepdog-users] Sheepdog design architecture

[Liu Yuan]

On Wed, Mar 26, 2014 at 04:33:37PM +0000, Giovanni Bellac wrote:
> Hello world,
> 
> what is the recommend architecture for a sheepdog setup with, lets say, 5-8x storage nodes with each 16x 3TB discs ?

any node number is okay within zookeeper's capacity. And MD feature support
unlimited (heterogeneous) local disks for a single node.

> Our goal is reliability and performance. We are using 10Gbit/s as our storage network.
> 
> These are the different ways for us:
> 
> 1) Traditional Hardware RAID Controller with RAID Array (e. g. RAID6 or RAID10)
> 
> 2) Sheepdog Mutli Disk without using any RAID (just JOBD via RAID Controller)
> How reliable is the Sheepdog Multi Disk feature ?

It depends. Many people already run sheepdog cluster with MD feature since it
was born and proves to be reliable.

Thanks
Yuan