I am using Rocky release and configuring for NVMe backend with LVM. Can you 
please tell me how this one might flow, or redirect me to the documentation?
I have not been able to found much documentation regarding this.

-- 
  Tushar Tyagi
  t...@fastmail.com

On Fri, Oct 26, 2018, at 17:48, Bernd Bausch wrote:
> Volume I/O won't flow through the controller. The LVM reference driver,
> for example, sets up an iSCSI target on the storage node, which the
> compute node then imports. The NFS driver has the compute node mount the
> exported filesystem. Depending on the driver, I/O may even flow directly
> between an iSCSI or fibre-channel disk array and the compute node.
> 
> What storage backend(s) are you deploying?
> 
> On 10/26/2018 6:50 PM, Tushar Tyagi wrote:
> > Hello,
> >
> > I have a requirement to create a multi node setup with Controller, Compute 
> > and Storage nodes on different machines. 
> >
> > In case I create a virtual machine on the compute node, it's going to be 
> > provisioned by the Controller node and the storage is going to be provided 
> > by the Storage node. In case I require any more volumes, the same are going 
> > to be provisioned by the Storage node, and then can be attached to the VM.
> >
> > I wanted to know will the IO requests from Compute to Storage node go via 
> > Controller or will these be direct? In case it's the former, how much 
> > performance impact will be there due to the added redirection?
> >
> > Thanks,
> > Tushar 
> >
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